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JFS: White space cleanup 

Removed trailing spaces & tabs, and spaces preceding tabs.
Also a couple very minor comment cleanups.

Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
(cherry picked from f74156539964d7b3d5164fdf8848e6a682f75b97 commit)
This commit is contained in:
Dave Kleikamp 2006-10-02 09:55:27 -05:00
parent 087387f90f
commit 63f83c9fcf
41 changed files with 509 additions and 511 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
fs/jfs/acl.c
View File

@ -5,16 +5,16 @@
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
@ -183,7 +183,7 @@ cleanup:
posix_acl_release(acl);
} else
inode->i_mode &= ~current->fs->umask;
JFS_IP(inode)->mode2 = (JFS_IP(inode)->mode2 & 0xffff0000) |
inode->i_mode;

2
fs/jfs/endian24.h
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) International Business Machines Corp., 2001
* Copyright (C) International Business Machines Corp., 2001
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

8
fs/jfs/file.c
View File

@ -4,16 +4,16 @@
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
@ -108,7 +108,7 @@ const struct file_operations jfs_file_operations = {
.aio_read = generic_file_aio_read,
.aio_write = generic_file_aio_write,
.mmap = generic_file_mmap,
.sendfile = generic_file_sendfile,
.sendfile = generic_file_sendfile,
.fsync = jfs_fsync,
.release = jfs_release,
.ioctl = jfs_ioctl,

8
fs/jfs/inode.c
View File

@ -4,16 +4,16 @@
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
@ -33,7 +33,7 @@
void jfs_read_inode(struct inode *inode)
{
if (diRead(inode)) {
if (diRead(inode)) {
make_bad_inode(inode);
return;
}

8
fs/jfs/jfs_acl.h
View File

@ -1,18 +1,18 @@
/*
* Copyright (c) International Business Machines Corp., 2002
* Copyright (C) International Business Machines Corp., 2002
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _H_JFS_ACL

6
fs/jfs/jfs_btree.h
View File

@ -3,16 +3,16 @@
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _H_JFS_BTREE

6
fs/jfs/jfs_debug.c
View File

@ -4,16 +4,16 @@
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/

8
fs/jfs/jfs_dinode.h
View File

@ -1,18 +1,18 @@
/*
* Copyright (c) International Business Machines Corp., 2000-2001
* Copyright (C) International Business Machines Corp., 2000-2001
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _H_JFS_DINODE

182
fs/jfs/jfs_dmap.c
View File

@ -3,16 +3,16 @@
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
@ -30,28 +30,28 @@
*
* the working state of the block allocation map is accessed in
* two directions:
*
*
* 1) allocation and free requests that start at the dmap
* level and move up through the dmap control pages (i.e.
* the vast majority of requests).
*
* 2) allocation requests that start at dmap control page
* level and work down towards the dmaps.
*
* the serialization scheme used here is as follows.
*
* requests which start at the bottom are serialized against each
* other through buffers and each requests holds onto its buffers
* as it works it way up from a single dmap to the required level
* 2) allocation requests that start at dmap control page
* level and work down towards the dmaps.
*
* the serialization scheme used here is as follows.
*
* requests which start at the bottom are serialized against each
* other through buffers and each requests holds onto its buffers
* as it works it way up from a single dmap to the required level
* of dmap control page.
* requests that start at the top are serialized against each other
* and request that start from the bottom by the multiple read/single
* write inode lock of the bmap inode. requests starting at the top
* take this lock in write mode while request starting at the bottom
* take the lock in read mode. a single top-down request may proceed
* exclusively while multiple bottoms-up requests may proceed
* simultaneously (under the protection of busy buffers).
*
* exclusively while multiple bottoms-up requests may proceed
* simultaneously (under the protection of busy buffers).
*
* in addition to information found in dmaps and dmap control pages,
* the working state of the block allocation map also includes read/
* write information maintained in the bmap descriptor (i.e. total
@ -59,7 +59,7 @@
* a single exclusive lock (BMAP_LOCK) is used to guard this information
* in the face of multiple-bottoms up requests.
* (lock ordering: IREAD_LOCK, BMAP_LOCK);
*
*
* accesses to the persistent state of the block allocation map (limited
* to the persistent bitmaps in dmaps) is guarded by (busy) buffers.
*/
@ -120,7 +120,7 @@ static int dbGetL2AGSize(s64 nblocks);
/*
* buddy table
*
* table used for determining buddy sizes within characters of
* table used for determining buddy sizes within characters of
* dmap bitmap words. the characters themselves serve as indexes
* into the table, with the table elements yielding the maximum
* binary buddy of free bits within the character.
@ -146,7 +146,7 @@ static const s8 budtab[256] = {
/*
* NAME: dbMount()
* NAME: dbMount()
*
* FUNCTION: initializate the block allocation map.
*
@ -223,12 +223,12 @@ int dbMount(struct inode *ipbmap)
/*
* NAME: dbUnmount()
* NAME: dbUnmount()
*
* FUNCTION: terminate the block allocation map in preparation for
* file system unmount.
*
* the in-core bmap descriptor is written to disk and
* the in-core bmap descriptor is written to disk and
* the memory for this descriptor is freed.
*
* PARAMETERS:
@ -311,7 +311,7 @@ int dbSync(struct inode *ipbmap)
/*
* NAME: dbFree()
* NAME: dbFree()
*
* FUNCTION: free the specified block range from the working block
* allocation map.
@ -397,7 +397,7 @@ int dbFree(struct inode *ip, s64 blkno, s64 nblocks)
*
* FUNCTION: update the allocation state (free or allocate) of the
* specified block range in the persistent block allocation map.
*
*
* the blocks will be updated in the persistent map one
* dmap at a time.
*
@ -475,7 +475,7 @@ dbUpdatePMap(struct inode *ipbmap,
/* update the bits of the dmap words. the first and last
* words may only have a subset of their bits updated. if
* this is the case, we'll work against that word (i.e.
* partial first and/or last) only in a single pass. a
* partial first and/or last) only in a single pass. a
* single pass will also be used to update all words that
* are to have all their bits updated.
*/
@ -662,11 +662,11 @@ unlock:
* the block allocation policy uses hints and a multi-step
* approach.
*
* for allocation requests smaller than the number of blocks
* for allocation requests smaller than the number of blocks
* per dmap, we first try to allocate the new blocks
* immediately following the hint. if these blocks are not
* available, we try to allocate blocks near the hint. if
* no blocks near the hint are available, we next try to
* no blocks near the hint are available, we next try to
* allocate within the same dmap as contains the hint.
*
* if no blocks are available in the dmap or the allocation
@ -713,7 +713,7 @@ int dbAlloc(struct inode *ip, s64 hint, s64 nblocks, s64 * results)
#endif /* _STILL_TO_PORT */
/* get the log2 number of blocks to be allocated.
* if the number of blocks is not a log2 multiple,
* if the number of blocks is not a log2 multiple,
* it will be rounded up to the next log2 multiple.
*/
l2nb = BLKSTOL2(nblocks);
@ -906,7 +906,7 @@ int dbAllocExact(struct inode *ip, s64 blkno, int nblocks)
* validate extent request:
*
* note: defragfs policy:
* max 64 blocks will be moved.
* max 64 blocks will be moved.
* allocation request size must be satisfied from a single dmap.
*/
if (nblocks <= 0 || nblocks > BPERDMAP || blkno >= bmp->db_mapsize) {
@ -1333,7 +1333,7 @@ dbAllocNear(struct bmap * bmp,
* or two sub-trees, depending on the allocation group size.
* we search the top nodes of these subtrees left to right for
* sufficient free space. if sufficient free space is found,
* the subtree is searched to find the leftmost leaf that
* the subtree is searched to find the leftmost leaf that
* has free space. once we have made it to the leaf, we
* move the search to the next lower level dmap control page
* corresponding to this leaf. we continue down the dmap control
@ -1398,7 +1398,7 @@ dbAllocAG(struct bmap * bmp, int agno, s64 nblocks, int l2nb, s64 * results)
* that fully describes the allocation group since the allocation
* group is already fully described by a dmap. in this case, we
* just call dbAllocCtl() to search the dmap tree and allocate the
* required space if available.
* required space if available.
*
* if the allocation group is completely free, dbAllocCtl() is
* also called to allocate the required space. this is done for
@ -1450,7 +1450,7 @@ dbAllocAG(struct bmap * bmp, int agno, s64 nblocks, int l2nb, s64 * results)
(1 << (L2LPERCTL - (bmp->db_agheigth << 1))) / bmp->db_agwidth;
ti = bmp->db_agstart + bmp->db_agwidth * (agno & (agperlev - 1));
/* dmap control page trees fan-out by 4 and a single allocation
/* dmap control page trees fan-out by 4 and a single allocation
* group may be described by 1 or 2 subtrees within the ag level
* dmap control page, depending upon the ag size. examine the ag's
* subtrees for sufficient free space, starting with the leftmost
@ -1633,7 +1633,7 @@ static int dbFindCtl(struct bmap * bmp, int l2nb, int level, s64 * blkno)
/* starting at the specified dmap control page level and block
* number, search down the dmap control levels for the starting
* block number of a dmap page that contains or starts off
* block number of a dmap page that contains or starts off
* sufficient free blocks.
*/
for (lev = level, b = *blkno; lev >= 0; lev--) {
@ -1677,7 +1677,7 @@ static int dbFindCtl(struct bmap * bmp, int l2nb, int level, s64 * blkno)
}
/* adjust the block number to reflect the location within
* the dmap control page (i.e. the leaf) at which free
* the dmap control page (i.e. the leaf) at which free
* space was found.
*/
b += (((s64) leafidx) << budmin);
@ -1700,12 +1700,12 @@ static int dbFindCtl(struct bmap * bmp, int l2nb, int level, s64 * blkno)
* NAME: dbAllocCtl()
*
* FUNCTION: attempt to allocate a specified number of contiguous
* blocks starting within a specific dmap.
*
* blocks starting within a specific dmap.
*
* this routine is called by higher level routines that search
* the dmap control pages above the actual dmaps for contiguous
* free space. the result of successful searches by these
* routines are the starting block numbers within dmaps, with
* routines are the starting block numbers within dmaps, with
* the dmaps themselves containing the desired contiguous free
* space or starting a contiguous free space of desired size
* that is made up of the blocks of one or more dmaps. these
@ -1872,14 +1872,14 @@ dbAllocCtl(struct bmap * bmp, s64 nblocks, int l2nb, s64 blkno, s64 * results)
*
* FUNCTION: attempt to allocate a specified number of contiguous blocks
* from a specified dmap.
*
*
* this routine checks if the contiguous blocks are available.
* if so, nblocks of blocks are allocated; otherwise, ENOSPC is
* returned.
*
* PARAMETERS:
* mp - pointer to bmap descriptor
* dp - pointer to dmap to attempt to allocate blocks from.
* dp - pointer to dmap to attempt to allocate blocks from.
* l2nb - log2 number of contiguous block desired.
* nblocks - actual number of contiguous block desired.
* results - on successful return, set to the starting block number
@ -1890,7 +1890,7 @@ dbAllocCtl(struct bmap * bmp, s64 nblocks, int l2nb, s64 blkno, s64 * results)
* -ENOSPC - insufficient disk resources
* -EIO - i/o error
*
* serialization: IREAD_LOCK(ipbmap), e.g., from dbAlloc(), or
* serialization: IREAD_LOCK(ipbmap), e.g., from dbAlloc(), or
* IWRITE_LOCK(ipbmap), e.g., dbAllocCtl(), held on entry/exit;
*/
static int
@ -2032,7 +2032,7 @@ static int dbFreeDmap(struct bmap * bmp, struct dmap * dp, s64 blkno,
/* root changed. bubble the change up to the dmap control pages.
* if the adjustment of the upper level control pages fails,
* backout the deallocation.
* backout the deallocation.
*/
if ((rc = dbAdjCtl(bmp, blkno, dp->tree.stree[ROOT], 0, 0))) {
word = (blkno & (BPERDMAP - 1)) >> L2DBWORD;
@ -2245,7 +2245,7 @@ static int dbFreeBits(struct bmap * bmp, struct dmap * dp, s64 blkno,
* words (i.e. partial first and/or last) on an individual basis
* (a single pass), freeing the bits of interest by hand and updating
* the leaf corresponding to the dmap word. a single pass will be used
* for all dmap words fully contained within the specified range.
* for all dmap words fully contained within the specified range.
* within this pass, the bits of all fully contained dmap words will
* be marked as free in a single shot and the leaves will be updated. a
* single leaf may describe the free space of multiple dmap words,
@ -2267,7 +2267,7 @@ static int dbFreeBits(struct bmap * bmp, struct dmap * dp, s64 blkno,
*/
if (nb < DBWORD) {
/* free (zero) the appropriate bits within this
* dmap word.
* dmap word.
*/
dp->wmap[word] &=
cpu_to_le32(~(ONES << (DBWORD - nb)
@ -2327,7 +2327,7 @@ static int dbFreeBits(struct bmap * bmp, struct dmap * dp, s64 blkno,
BMAP_LOCK(bmp);
/* update the free count for the allocation group and
/* update the free count for the allocation group and
* map.
*/
agno = blkno >> bmp->db_agl2size;
@ -2378,7 +2378,7 @@ static int dbFreeBits(struct bmap * bmp, struct dmap * dp, s64 blkno,
* or deallocation resulted in the root change. this range
* is respresented by a single leaf of the current dmapctl
* and the leaf will be updated with this value, possibly
* causing a binary buddy system within the leaves to be
* causing a binary buddy system within the leaves to be
* split or joined. the update may also cause the dmapctl's
* dmtree to be updated.
*
@ -2590,7 +2590,7 @@ static void dbSplit(dmtree_t * tp, int leafno, int splitsz, int newval)
}
}
/* adjust the dmap tree to reflect the specified leaf's new
/* adjust the dmap tree to reflect the specified leaf's new
* value.
*/
dbAdjTree(tp, leafno, newval);
@ -2638,7 +2638,7 @@ static int dbBackSplit(dmtree_t * tp, int leafno)
/* the back split is accomplished by iteratively finding the leaf
* that starts the buddy system that contains the specified leaf and
* splitting that system in two. this iteration continues until
* the specified leaf becomes the start of a buddy system.
* the specified leaf becomes the start of a buddy system.
*
* determine maximum possible l2 size for the specified leaf.
*/
@ -2853,7 +2853,7 @@ static void dbAdjTree(dmtree_t * tp, int leafno, int newval)
* NAME: dbFindLeaf()
*
* FUNCTION: search a dmtree_t for sufficient free blocks, returning
* the index of a leaf describing the free blocks if
* the index of a leaf describing the free blocks if
* sufficient free blocks are found.
*
* the search starts at the top of the dmtree_t tree and
@ -2869,7 +2869,7 @@ static void dbAdjTree(dmtree_t * tp, int leafno, int newval)
*
* RETURN VALUES:
* 0 - success
* -ENOSPC - insufficient free blocks.
* -ENOSPC - insufficient free blocks.
*/
static int dbFindLeaf(dmtree_t * tp, int l2nb, int *leafidx)
{
@ -3090,7 +3090,7 @@ static int blkstol2(s64 nb)
/*
* NAME: dbAllocBottomUp()
* NAME: dbAllocBottomUp()
*
* FUNCTION: alloc the specified block range from the working block
* allocation map.
@ -3241,7 +3241,7 @@ static int dbAllocDmapBU(struct bmap * bmp, struct dmap * dp, s64 blkno,
BMAP_LOCK(bmp);
/* if this allocation group is completely free,
* update the highest active allocation group number
* update the highest active allocation group number
* if this allocation group is the new max.
*/
agno = blkno >> bmp->db_agl2size;
@ -3273,7 +3273,7 @@ static int dbAllocDmapBU(struct bmap * bmp, struct dmap * dp, s64 blkno,
* NAME: dbExtendFS()
*
* FUNCTION: extend bmap from blkno for nblocks;
* dbExtendFS() updates bmap ready for dbAllocBottomUp();
* dbExtendFS() updates bmap ready for dbAllocBottomUp();
*
* L2
* |
@ -3284,7 +3284,7 @@ static int dbAllocDmapBU(struct bmap * bmp, struct dmap * dp, s64 blkno,
* d0,...,dn d0,...,dn d0,...,dn d0,...,dn d0,...,dn d0,.,dm;
* L2L1L0d0,...,dnL0d0,...,dnL0d0,...,dnL1L0d0,...,dnL0d0,...,dnL0d0,..dm
*
* <---old---><----------------------------extend----------------------->
* <---old---><----------------------------extend----------------------->
*/
int dbExtendFS(struct inode *ipbmap, s64 blkno, s64 nblocks)
{
@ -3330,7 +3330,7 @@ int dbExtendFS(struct inode *ipbmap, s64 blkno, s64 nblocks)
bmp->db_numag += ((u32) newsize % (u32) bmp->db_agsize) ? 1 : 0;
/*
* reconfigure db_agfree[]
* reconfigure db_agfree[]
* from old AG configuration to new AG configuration;
*
* coalesce contiguous k (newAGSize/oldAGSize) AGs;
@ -3491,7 +3491,7 @@ int dbExtendFS(struct inode *ipbmap, s64 blkno, s64 nblocks)
} /* for each dmap in a L0 */
/*
* build current L0 page from its leaves, and
* build current L0 page from its leaves, and
* initialize corresponding parent L1 leaf
*/
*l1leaf = dbInitDmapCtl(l0dcp, 0, ++i);
@ -3515,7 +3515,7 @@ int dbExtendFS(struct inode *ipbmap, s64 blkno, s64 nblocks)
} /* for each L0 in a L1 */
/*
* build current L1 page from its leaves, and
* build current L1 page from its leaves, and
* initialize corresponding parent L2 leaf
*/
*l2leaf = dbInitDmapCtl(l1dcp, 1, ++j);
@ -3570,7 +3570,7 @@ void dbFinalizeBmap(struct inode *ipbmap)
* finalize bmap control page
*/
//finalize:
/*
/*
* compute db_agpref: preferred ag to allocate from
* (the leftmost ag with average free space in it);
*/
@ -3614,9 +3614,9 @@ void dbFinalizeBmap(struct inode *ipbmap)
/*
* compute db_aglevel, db_agheigth, db_width, db_agstart:
* an ag is covered in aglevel dmapctl summary tree,
* at agheight level height (from leaf) with agwidth number of nodes
* each, which starts at agstart index node of the smmary tree node
* an ag is covered in aglevel dmapctl summary tree,
* at agheight level height (from leaf) with agwidth number of nodes
* each, which starts at agstart index node of the smmary tree node
* array;
*/
bmp->db_aglevel = BMAPSZTOLEV(bmp->db_agsize);
@ -3635,13 +3635,13 @@ void dbFinalizeBmap(struct inode *ipbmap)
/*
* NAME: dbInitDmap()/ujfs_idmap_page()
*
*
* FUNCTION: initialize working/persistent bitmap of the dmap page
* for the specified number of blocks:
*
*
* at entry, the bitmaps had been initialized as free (ZEROS);
* The number of blocks will only account for the actually
* existing blocks. Blocks which don't actually exist in
* The number of blocks will only account for the actually
* existing blocks. Blocks which don't actually exist in
* the aggregate will be marked as allocated (ONES);
*
* PARAMETERS:
@ -3677,7 +3677,7 @@ static int dbInitDmap(struct dmap * dp, s64 Blkno, int nblocks)
/*
* free the bits corresponding to the block range (ZEROS):
* note: not all bits of the first and last words may be contained
* note: not all bits of the first and last words may be contained
* within the block range.
*/
for (r = nblocks; r > 0; r -= nb, blkno += nb) {
@ -3709,7 +3709,7 @@ static int dbInitDmap(struct dmap * dp, s64 Blkno, int nblocks)
}
/*
* mark bits following the range to be freed (non-existing
* mark bits following the range to be freed (non-existing
* blocks) as allocated (ONES)
*/
@ -3741,11 +3741,11 @@ static int dbInitDmap(struct dmap * dp, s64 Blkno, int nblocks)
/*
* NAME: dbInitDmapTree()/ujfs_complete_dmap()
*
*
* FUNCTION: initialize summary tree of the specified dmap:
*
* at entry, bitmap of the dmap has been initialized;
*
*
* PARAMETERS:
* dp - dmap to complete
* blkno - starting block number for this dmap
@ -3769,7 +3769,7 @@ static int dbInitDmapTree(struct dmap * dp)
/* init each leaf from corresponding wmap word:
* note: leaf is set to NOFREE(-1) if all blocks of corresponding
* bitmap word are allocated.
* bitmap word are allocated.
*/
cp = tp->stree + le32_to_cpu(tp->leafidx);
for (i = 0; i < LPERDMAP; i++)
@ -3782,10 +3782,10 @@ static int dbInitDmapTree(struct dmap * dp)
/*
* NAME: dbInitTree()/ujfs_adjtree()
*
*
* FUNCTION: initialize binary buddy summary tree of a dmap or dmapctl.
*
* at entry, the leaves of the tree has been initialized
* at entry, the leaves of the tree has been initialized
* from corresponding bitmap word or root of summary tree
* of the child control page;
* configure binary buddy system at the leaf level, then
@ -3813,15 +3813,15 @@ static int dbInitTree(struct dmaptree * dtp)
/*
* configure the leaf levevl into binary buddy system
*
* Try to combine buddies starting with a buddy size of 1
* (i.e. two leaves). At a buddy size of 1 two buddy leaves
* can be combined if both buddies have a maximum free of l2min;
* the combination will result in the left-most buddy leaf having
* a maximum free of l2min+1.
* After processing all buddies for a given size, process buddies
* at the next higher buddy size (i.e. current size * 2) and
* the next maximum free (current free + 1).
* This continues until the maximum possible buddy combination
* Try to combine buddies starting with a buddy size of 1
* (i.e. two leaves). At a buddy size of 1 two buddy leaves
* can be combined if both buddies have a maximum free of l2min;
* the combination will result in the left-most buddy leaf having
* a maximum free of l2min+1.
* After processing all buddies for a given size, process buddies
* at the next higher buddy size (i.e. current size * 2) and
* the next maximum free (current free + 1).
* This continues until the maximum possible buddy combination
* yields maximum free.
*/
for (l2free = dtp->budmin, bsize = 1; l2free < l2max;
@ -3845,10 +3845,10 @@ static int dbInitTree(struct dmaptree * dtp)
* bubble summary information of leaves up the tree.
*
* Starting at the leaf node level, the four nodes described by
* the higher level parent node are compared for a maximum free and
* this maximum becomes the value of the parent node.
* when all lower level nodes are processed in this fashion then
* move up to the next level (parent becomes a lower level node) and
* the higher level parent node are compared for a maximum free and
* this maximum becomes the value of the parent node.
* when all lower level nodes are processed in this fashion then
* move up to the next level (parent becomes a lower level node) and
* continue the process for that level.
*/
for (child = le32_to_cpu(dtp->leafidx),
@ -3857,7 +3857,7 @@ static int dbInitTree(struct dmaptree * dtp)
/* get index of 1st node of parent level */
parent = (child - 1) >> 2;
/* set the value of the parent node as the maximum
/* set the value of the parent node as the maximum
* of the four nodes of the current level.
*/
for (i = 0, cp = tp + child, cp1 = tp + parent;
@ -3885,8 +3885,8 @@ static int dbInitDmapCtl(struct dmapctl * dcp, int level, int i)
dcp->budmin = L2BPERDMAP + L2LPERCTL * level;
/*
* initialize the leaves of current level that were not covered
* by the specified input block range (i.e. the leaves have no
* initialize the leaves of current level that were not covered
* by the specified input block range (i.e. the leaves have no
* low level dmapctl or dmap).
*/
cp = &dcp->stree[CTLLEAFIND + i];
@ -3900,9 +3900,9 @@ static int dbInitDmapCtl(struct dmapctl * dcp, int level, int i)
/*
* NAME: dbGetL2AGSize()/ujfs_getagl2size()
*
*
* FUNCTION: Determine log2(allocation group size) from aggregate size
*
*
* PARAMETERS:
* nblocks - Number of blocks in aggregate
*
@ -3935,8 +3935,8 @@ static int dbGetL2AGSize(s64 nblocks)
/*
* NAME: dbMapFileSizeToMapSize()
*
* FUNCTION: compute number of blocks the block allocation map file
*
* FUNCTION: compute number of blocks the block allocation map file
* can cover from the map file size;
*
* RETURNS: Number of blocks which can be covered by this block map file;
@ -3968,7 +3968,7 @@ s64 dbMapFileSizeToMapSize(struct inode * ipbmap)
npages = nblocks >> JFS_SBI(sb)->l2nbperpage;
level = BMAPPGTOLEV(npages);
/* At each level, accumulate the number of dmap pages covered by
/* At each level, accumulate the number of dmap pages covered by
* the number of full child levels below it;
* repeat for the last incomplete child level.
*/
@ -3990,7 +3990,7 @@ s64 dbMapFileSizeToMapSize(struct inode * ipbmap)
npages--;
}
/* convert the number of dmaps into the number of blocks
/* convert the number of dmaps into the number of blocks
* which can be covered by the dmaps;
*/
nblocks = ndmaps << L2BPERDMAP;

28
fs/jfs/jfs_dmap.h
View File

@ -1,18 +1,18 @@
/*
* Copyright (c) International Business Machines Corp., 2000-2002
* Copyright (C) International Business Machines Corp., 2000-2002
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _H_JFS_DMAP
@ -27,7 +27,7 @@
#define L2LPERDMAP 8 /* l2 number of leaves per dmap tree */
#define DBWORD 32 /* # of blks covered by a map word */
#define L2DBWORD 5 /* l2 # of blks covered by a mword */
#define BUDMIN L2DBWORD /* max free string in a map word */
#define BUDMIN L2DBWORD /* max free string in a map word */
#define BPERDMAP (LPERDMAP * DBWORD) /* num of blks per dmap */
#define L2BPERDMAP 13 /* l2 num of blks per dmap */
#define CTLTREESIZE (1024+256+64+16+4+1) /* size of a dmapctl tree */
@ -57,7 +57,7 @@
#define MAXMAPSIZE MAXL2SIZE /* maximum aggregate map size */
/*
/*
* determine the maximum free string for four (lower level) nodes
* of the tree.
*/
@ -122,7 +122,7 @@ static __inline signed char TREEMAX(signed char *cp)
#define BLKTOCTL(b,s,l) \
(((l) == 2) ? 1 : ((l) == 1) ? BLKTOL1((b),(s)) : BLKTOL0((b),(s)))
/*
/*
* convert aggregate map size to the zero origin dmapctl level of the
* top dmapctl.
*/
@ -192,13 +192,13 @@ typedef union dmtree {
/* macros for accessing fields within dmtree */
#define dmt_nleafs t1.nleafs
#define dmt_l2nleafs t1.l2nleafs
#define dmt_leafidx t1.leafidx
#define dmt_height t1.height
#define dmt_budmin t1.budmin
#define dmt_stree t1.stree
#define dmt_l2nleafs t1.l2nleafs
#define dmt_leafidx t1.leafidx
#define dmt_height t1.height
#define dmt_budmin t1.budmin
#define dmt_stree t1.stree
/*
/*
* on-disk aggregate disk allocation map descriptor.
*/
struct dbmap_disk {
@ -237,7 +237,7 @@ struct dbmap {
s64 dn_agsize; /* num of blks per alloc group */
signed char dn_maxfreebud; /* max free buddy system */
}; /* - 4096 - */
/*
/*
* in-memory aggregate disk allocation map descriptor.
*/
struct bmap {

14
fs/jfs/jfs_dtree.c
View File

@ -3,16 +3,16 @@
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
@ -78,7 +78,7 @@
*
* case-insensitive search:
*
* fold search key;
* fold search key;
*
* case-insensitive search of B-tree:
* for internal entry, router key is already folded;
@ -93,7 +93,7 @@
* else
* return no match;
*
* serialization:
* serialization:
* target directory inode lock is being held on entry/exit
* of all main directory service routines.
*
@ -925,7 +925,7 @@ int dtInsert(tid_t tid, struct inode *ip,
*
* return: 0 - success;
* errno - failure;
* leaf page unpinned;
* leaf page unpinned;
*/
static int dtSplitUp(tid_t tid,
struct inode *ip, struct dtsplit * split, struct btstack * btstack)
@ -3767,7 +3767,7 @@ static int ciCompare(struct component_name * key, /* search key */
* across page boundary
*
* return: non-zero on error
*
*
*/
static int ciGetLeafPrefixKey(dtpage_t * lp, int li, dtpage_t * rp,
int ri, struct component_name * key, int flag)

10
fs/jfs/jfs_dtree.h
View File

@ -1,18 +1,18 @@
/*
* Copyright (c) International Business Machines Corp., 2000-2002
* Copyright (C) International Business Machines Corp., 2000-2002
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _H_JFS_DTREE
@ -80,7 +80,7 @@ struct idtentry {
/*
* leaf node entry head/only segment
*
* For legacy filesystems, name contains 13 wchars -- no index field
* For legacy filesystems, name contains 13 wchars -- no index field
*/
struct ldtentry {
__le32 inumber; /* 4: 4-byte aligned */

42
fs/jfs/jfs_extent.c
View File

@ -3,16 +3,16 @@
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
@ -125,7 +125,7 @@ extAlloc(struct inode *ip, s64 xlen, s64 pno, xad_t * xp, bool abnr)
}
/* allocate the disk blocks for the extent. initially, extBalloc()
* will try to allocate disk blocks for the requested size (xlen).
* will try to allocate disk blocks for the requested size (xlen).
* if this fails (xlen contiguous free blocks not avaliable), it'll
* try to allocate a smaller number of blocks (producing a smaller
* extent), with this smaller number of blocks consisting of the
@ -150,7 +150,7 @@ extAlloc(struct inode *ip, s64 xlen, s64 pno, xad_t * xp, bool abnr)
/* determine the value of the extent flag */
xflag = abnr ? XAD_NOTRECORDED : 0;
/* if we can extend the hint extent to cover the current request,
/* if we can extend the hint extent to cover the current request,
* extend it. otherwise, insert a new extent to
* cover the current request.
*/
@ -159,7 +159,7 @@ extAlloc(struct inode *ip, s64 xlen, s64 pno, xad_t * xp, bool abnr)
else
rc = xtInsert(0, ip, xflag, xoff, (int) nxlen, &nxaddr, 0);
/* if the extend or insert failed,
/* if the extend or insert failed,
* free the newly allocated blocks and return the error.
*/
if (rc) {
@ -235,7 +235,7 @@ int extRealloc(struct inode *ip, s64 nxlen, xad_t * xp, bool abnr)
xoff = offsetXAD(xp);
/* if the extend page is abnr and if the request is for
* the extent to be allocated and recorded,
* the extent to be allocated and recorded,
* make the page allocated and recorded.
*/
if ((xp->flag & XAD_NOTRECORDED) && !abnr) {
@ -397,7 +397,7 @@ int extHint(struct inode *ip, s64 offset, xad_t * xp)
if ((rc = xtLookupList(ip, &lxdl, &xadl, 0)))
return (rc);
/* check if not extent exists for the previous page.
/* check if not extent exists for the previous page.
* this is possible for sparse files.
*/
if (xadl.nxad == 0) {
@ -410,7 +410,7 @@ int extHint(struct inode *ip, s64 offset, xad_t * xp)
*/
xp->flag &= XAD_NOTRECORDED;
if(xadl.nxad != 1 || lengthXAD(xp) != nbperpage) {
if(xadl.nxad != 1 || lengthXAD(xp) != nbperpage) {
jfs_error(ip->i_sb, "extHint: corrupt xtree");
return -EIO;
}
@ -492,7 +492,7 @@ int extFill(struct inode *ip, xad_t * xp)
* FUNCTION: allocate disk blocks to form an extent.
*
* initially, we will try to allocate disk blocks for the
* requested size (nblocks). if this fails (nblocks
* requested size (nblocks). if this fails (nblocks
* contiguous free blocks not avaliable), we'll try to allocate
* a smaller number of blocks (producing a smaller extent), with
* this smaller number of blocks consisting of the requested
@ -500,7 +500,7 @@ int extFill(struct inode *ip, xad_t * xp)
* number (i.e. 16 -> 8). we'll continue to round down and
* retry the allocation until the number of blocks to allocate
* is smaller than the number of blocks per page.
*
*
* PARAMETERS:
* ip - the inode of the file.
* hint - disk block number to be used as an allocation hint.
@ -509,7 +509,7 @@ int extFill(struct inode *ip, xad_t * xp)
* exit, this value is set to the number of blocks actually
* allocated.
* blkno - pointer to a block address that is filled in on successful
* return with the starting block number of the newly
* return with the starting block number of the newly
* allocated block range.
*
* RETURN VALUES:
@ -530,7 +530,7 @@ extBalloc(struct inode *ip, s64 hint, s64 * nblocks, s64 * blkno)
/* get the number of blocks to initially attempt to allocate.
* we'll first try the number of blocks requested unless this
* number is greater than the maximum number of contiguous free
* blocks in the map. in that case, we'll start off with the
* blocks in the map. in that case, we'll start off with the
* maximum free.
*/
max = (s64) 1 << bmp->db_maxfreebud;
@ -582,19 +582,19 @@ extBalloc(struct inode *ip, s64 hint, s64 * nblocks, s64 * blkno)
*
* FUNCTION: attempt to extend an extent's allocation.
*
* initially, we will try to extend the extent's allocation
* in place. if this fails, we'll try to move the extent
* to a new set of blocks. if moving the extent, we initially
* Initially, we will try to extend the extent's allocation
* in place. If this fails, we'll try to move the extent
* to a new set of blocks. If moving the extent, we initially
* will try to allocate disk blocks for the requested size
* (nnew). if this fails (new contiguous free blocks not
* avaliable), we'll try to allocate a smaller number of
* (newnblks). if this fails (new contiguous free blocks not
* avaliable), we'll try to allocate a smaller number of
* blocks (producing a smaller extent), with this smaller
* number of blocks consisting of the requested number of
* blocks rounded down to the next smaller power of 2
* number (i.e. 16 -> 8). we'll continue to round down and
* number (i.e. 16 -> 8). We'll continue to round down and
* retry the allocation until the number of blocks to allocate
* is smaller than the number of blocks per page.
*
*
* PARAMETERS:
* ip - the inode of the file.
* blkno - starting block number of the extents current allocation.
@ -625,7 +625,7 @@ extBrealloc(struct inode *ip,
return (rc);
}
/* in place extension not possible.
/* in place extension not possible.
* try to move the extent to a new set of blocks.
*/
return (extBalloc(ip, blkno, newnblks, newblkno));

8
fs/jfs/jfs_extent.h
View File

@ -1,18 +1,18 @@
/*
* Copyright (c) International Business Machines Corp., 2000-2001
* Copyright (C) International Business Machines Corp., 2000-2001
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _H_JFS_EXTENT

24
fs/jfs/jfs_filsys.h
View File

@ -3,16 +3,16 @@
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _H_JFS_FILSYS
@ -21,9 +21,9 @@
/*
* jfs_filsys.h
*
* file system (implementation-dependent) constants
* file system (implementation-dependent) constants
*
* refer to <limits.h> for system wide implementation-dependent constants
* refer to <limits.h> for system wide implementation-dependent constants
*/
/*
@ -49,7 +49,7 @@
#define JFS_DFS 0x20000000 /* DCE DFS LFS support */
#define JFS_LINUX 0x10000000 /* Linux support */
#define JFS_LINUX 0x10000000 /* Linux support */
/* case-sensitive name/directory support */
/* directory option */
@ -59,7 +59,7 @@
#define JFS_COMMIT 0x00000f00 /* commit option mask */
#define JFS_GROUPCOMMIT 0x00000100 /* group (of 1) commit */
#define JFS_LAZYCOMMIT 0x00000200 /* lazy commit */
#define JFS_TMPFS 0x00000400 /* temporary file system -
#define JFS_TMPFS 0x00000400 /* temporary file system -
* do not log/commit:
*/
@ -196,7 +196,7 @@
* followed by 1st extent of map
*/
#define AITBL_OFF (AIMAP_OFF + (SIZE_OF_MAP_PAGE << 1))
/*
/*
* 1st extent of aggregate inode table
*/
#define SUPER2_OFF (AITBL_OFF + INODE_EXTENT_SIZE)
@ -270,13 +270,13 @@
*/
#define FM_CLEAN 0x00000000 /* file system is unmounted and clean */
#define FM_MOUNT 0x00000001 /* file system is mounted cleanly */
#define FM_DIRTY 0x00000002 /* file system was not unmounted and clean
* when mounted or
#define FM_DIRTY 0x00000002 /* file system was not unmounted and clean
* when mounted or
* commit failure occurred while being mounted:
* fsck() must be run to repair
* fsck() must be run to repair
*/
#define FM_LOGREDO 0x00000004 /* log based recovery (logredo()) failed:
* fsck() must be run to repair
* fsck() must be run to repair
*/
#define FM_EXTENDFS 0x00000008 /* file system extendfs() in progress */

222
fs/jfs/jfs_imap.c
View File

@ -3,16 +3,16 @@
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
@ -98,7 +98,7 @@ static void copy_to_dinode(struct dinode *, struct inode *);
* FUNCTION: initialize the incore inode map control structures for
* a fileset or aggregate init time.
*
* the inode map's control structure (dinomap) is
* the inode map's control structure (dinomap) is
* brought in from disk and placed in virtual memory.
*
* PARAMETERS:
@ -107,7 +107,7 @@ static void copy_to_dinode(struct dinode *, struct inode *);
* RETURN VALUES:
* 0 - success
* -ENOMEM - insufficient free virtual memory.
* -EIO - i/o error.
* -EIO - i/o error.
*/
int diMount(struct inode *ipimap)
{
@ -191,7 +191,7 @@ int diMount(struct inode *ipimap)
* RETURN VALUES:
* 0 - success
* -ENOMEM - insufficient free virtual memory.
* -EIO - i/o error.
* -EIO - i/o error.
*/
int diUnmount(struct inode *ipimap, int mounterror)
{
@ -281,7 +281,7 @@ int diSync(struct inode *ipimap)
* on entry, the specifed incore inode should itself
* specify the disk inode number corresponding to the
* incore inode (i.e. i_number should be initialized).
*
*
* this routine handles incore inode initialization for
* both "special" and "regular" inodes. special inodes
* are those required early in the mount process and
@ -289,7 +289,7 @@ int diSync(struct inode *ipimap)
* is not yet initialized. these "special" inodes are
* identified by a NULL inode map inode pointer and are
* actually initialized by a call to diReadSpecial().
*
*
* for regular inodes, the iag describing the disk inode
* is read from disk to determine the inode extent address
* for the disk inode. with the inode extent address in
@ -302,9 +302,9 @@ int diSync(struct inode *ipimap)
*
* RETURN VALUES:
* 0 - success
* -EIO - i/o error.
* -EIO - i/o error.
* -ENOMEM - insufficient memory
*
*
*/
int diRead(struct inode *ip)
{
@ -586,14 +586,14 @@ void diFreeSpecial(struct inode *ip)
* page of the extent that contains the disk inode is
* read and the disk inode portion of the incore inode
* is copied to the disk inode.
*
*
* PARAMETERS:
* tid - transacation id
* ip - pointer to incore inode to be written to the inode extent.
*
* RETURN VALUES:
* 0 - success
* -EIO - i/o error.
* -EIO - i/o error.
*/
int diWrite(tid_t tid, struct inode *ip)
{
@ -676,11 +676,11 @@ int diWrite(tid_t tid, struct inode *ip)
* copy btree root from in-memory inode to on-disk inode
*
* (tlock is taken from inline B+-tree root in in-memory
* inode when the B+-tree root is updated, which is pointed
* inode when the B+-tree root is updated, which is pointed
* by jfs_ip->blid as well as being on tx tlock list)
*
* further processing of btree root is based on the copy
* in in-memory inode, where txLog() will log from, and,
* further processing of btree root is based on the copy
* in in-memory inode, where txLog() will log from, and,
* for xtree root, txUpdateMap() will update map and reset
* XAD_NEW bit;
*/
@ -824,7 +824,7 @@ int diWrite(tid_t tid, struct inode *ip)
memcpy(&dp->di_DASD, &ip->i_DASD, sizeof(struct dasd));
#endif /* _JFS_FASTDASD */
/* release the buffer holding the updated on-disk inode.
/* release the buffer holding the updated on-disk inode.
* the buffer will be later written by commit processing.
*/
write_metapage(mp);
@ -842,7 +842,7 @@ int diWrite(tid_t tid, struct inode *ip)
* if the inode to be freed represents the first (only)
* free inode within the iag, the iag will be placed on
* the ag free inode list.
*
*
* freeing the inode will cause the inode extent to be
* freed if the inode is the only allocated inode within
* the extent. in this case all the disk resource backing
@ -865,11 +865,11 @@ int diWrite(tid_t tid, struct inode *ip)
* any updates and are held until all updates are complete.
*
* PARAMETERS:
* ip - inode to be freed.
* ip - inode to be freed.
*
* RETURN VALUES:
* 0 - success
* -EIO - i/o error.
* -EIO - i/o error.
*/
int diFree(struct inode *ip)
{
@ -898,7 +898,7 @@ int diFree(struct inode *ip)
*/
iagno = INOTOIAG(inum);
/* make sure that the iag is contained within
/* make sure that the iag is contained within
* the map.
*/
if (iagno >= imap->im_nextiag) {
@ -1013,7 +1013,7 @@ int diFree(struct inode *ip)
/* update the free inode summary map for the extent if
* freeing the inode means the extent will now have free
* inodes (i.e., the inode being freed is the first free
* inodes (i.e., the inode being freed is the first free
* inode of extent),
*/
if (iagp->wmap[extno] == cpu_to_le32(ONES)) {
@ -1204,9 +1204,9 @@ int diFree(struct inode *ip)
iagp->inofreefwd = iagp->inofreeback = cpu_to_le32(-1);
}
/* update the inode extent address and working map
/* update the inode extent address and working map
* to reflect the free extent.
* the permanent map should have been updated already
* the permanent map should have been updated already
* for the inode being freed.
*/
if (iagp->pmap[extno] != 0) {
@ -1218,7 +1218,7 @@ int diFree(struct inode *ip)
/* update the free extent and free inode summary maps
* to reflect the freed extent.
* the inode summary map is marked to indicate no inodes
* the inode summary map is marked to indicate no inodes
* available for the freed extent.
*/
sword = extno >> L2EXTSPERSUM;
@ -1255,17 +1255,17 @@ int diFree(struct inode *ip)
* start transaction to update block allocation map
* for the inode extent freed;
*
* N.B. AG_LOCK is released and iag will be released below, and
* N.B. AG_LOCK is released and iag will be released below, and
* other thread may allocate inode from/reusing the ixad freed
* BUT with new/different backing inode extent from the extent
* to be freed by the transaction;
* BUT with new/different backing inode extent from the extent
* to be freed by the transaction;
*/
tid = txBegin(ipimap->i_sb, COMMIT_FORCE);
mutex_lock(&JFS_IP(ipimap)->commit_mutex);
/* acquire tlock of the iag page of the freed ixad
/* acquire tlock of the iag page of the freed ixad
* to force the page NOHOMEOK (even though no data is
* logged from the iag page) until NOREDOPAGE|FREEXTENT log
* logged from the iag page) until NOREDOPAGE|FREEXTENT log
* for the free of the extent is committed;
* write FREEXTENT|NOREDOPAGE log record
* N.B. linelock is overlaid as freed extent descriptor;
@ -1284,8 +1284,8 @@ int diFree(struct inode *ip)
* logredo needs the IAG number and IAG extent index in order
* to ensure that the IMap is consistent. The least disruptive
* way to pass these values through to the transaction manager
* is in the iplist array.
*
* is in the iplist array.
*
* It's not pretty, but it works.
*/
iplist[1] = (struct inode *) (size_t)iagno;
@ -1340,18 +1340,18 @@ diInitInode(struct inode *ip, int iagno, int ino, int extno, struct iag * iagp)
/*
* NAME: diAlloc(pip,dir,ip)
*
* FUNCTION: allocate a disk inode from the inode working map
* FUNCTION: allocate a disk inode from the inode working map
* for a fileset or aggregate.
*
* PARAMETERS:
* pip - pointer to incore inode for the parent inode.
* dir - 'true' if the new disk inode is for a directory.
* ip - pointer to a new inode
* pip - pointer to incore inode for the parent inode.
* dir - 'true' if the new disk inode is for a directory.
* ip - pointer to a new inode
*
* RETURN VALUES:
* 0 - success.
* -ENOSPC - insufficient disk resources.
* -EIO - i/o error.
* -EIO - i/o error.
*/
int diAlloc(struct inode *pip, bool dir, struct inode *ip)
{
@ -1372,7 +1372,7 @@ int diAlloc(struct inode *pip, bool dir, struct inode *ip)
JFS_IP(ip)->ipimap = ipimap;
JFS_IP(ip)->fileset = FILESYSTEM_I;
/* for a directory, the allocation policy is to start
/* for a directory, the allocation policy is to start
* at the ag level using the preferred ag.
*/
if (dir) {
@ -1435,7 +1435,7 @@ int diAlloc(struct inode *pip, bool dir, struct inode *ip)
/*
* try to allocate from the IAG
*/
/* check if the inode may be allocated from the iag
/* check if the inode may be allocated from the iag
* (i.e. the inode has free inodes or new extent can be added).
*/
if (iagp->nfreeinos || addext) {
@ -1490,7 +1490,7 @@ int diAlloc(struct inode *pip, bool dir, struct inode *ip)
* hint or, if appropriate (i.e. addext is true), allocate
* an extent of free inodes at or following the extent
* containing the hint.
*
*
* the free inode and free extent summary maps are used
* here, so determine the starting summary map position
* and the number of words we'll have to examine. again,
@ -1641,7 +1641,7 @@ int diAlloc(struct inode *pip, bool dir, struct inode *ip)
* inodes should be added for the allocation group, with
* the current request satisfied from this extent. if this
* is the case, an attempt will be made to do just that. if
* this attempt fails or it has been determined that a new
* this attempt fails or it has been determined that a new
* extent should not be added, an attempt is made to satisfy
* the request by allocating an existing (backed) free inode
* from the allocation group.
@ -1649,24 +1649,24 @@ int diAlloc(struct inode *pip, bool dir, struct inode *ip)
* PRE CONDITION: Already have the AG lock for this AG.
*
* PARAMETERS:
* imap - pointer to inode map control structure.
* agno - allocation group to allocate from.
* dir - 'true' if the new disk inode is for a directory.
* ip - pointer to the new inode to be filled in on successful return
* imap - pointer to inode map control structure.
* agno - allocation group to allocate from.
* dir - 'true' if the new disk inode is for a directory.
* ip - pointer to the new inode to be filled in on successful return
* with the disk inode number allocated, its extent address
* and the start of the ag.
*
* RETURN VALUES:
* 0 - success.
* -ENOSPC - insufficient disk resources.
* -EIO - i/o error.
* -EIO - i/o error.
*/
static int
diAllocAG(struct inomap * imap, int agno, bool dir, struct inode *ip)
{
int rc, addext, numfree, numinos;
/* get the number of free and the number of backed disk
/* get the number of free and the number of backed disk
* inodes currently within the ag.
*/
numfree = imap->im_agctl[agno].numfree;
@ -1719,17 +1719,17 @@ diAllocAG(struct inomap * imap, int agno, bool dir, struct inode *ip)
* specified primary group.
*
* PARAMETERS:
* imap - pointer to inode map control structure.
* agno - primary allocation group (to avoid).
* dir - 'true' if the new disk inode is for a directory.
* ip - pointer to a new inode to be filled in on successful return
* imap - pointer to inode map control structure.
* agno - primary allocation group (to avoid).
* dir - 'true' if the new disk inode is for a directory.
* ip - pointer to a new inode to be filled in on successful return
* with the disk inode number allocated, its extent address
* and the start of the ag.
*
* RETURN VALUES:
* 0 - success.
* -ENOSPC - insufficient disk resources.
* -EIO - i/o error.
* -EIO - i/o error.
*/
static int
diAllocAny(struct inomap * imap, int agno, bool dir, struct inode *ip)
@ -1738,7 +1738,7 @@ diAllocAny(struct inomap * imap, int agno, bool dir, struct inode *ip)
int maxag = JFS_SBI(imap->im_ipimap->i_sb)->bmap->db_maxag;
/* try to allocate from the ags following agno up to
/* try to allocate from the ags following agno up to
* the maximum ag number.
*/
for (ag = agno + 1; ag <= maxag; ag++) {
@ -1780,21 +1780,21 @@ diAllocAny(struct inomap * imap, int agno, bool dir, struct inode *ip)
*
* allocation occurs from the first iag on the list using
* the iag's free inode summary map to find the leftmost
* free inode in the iag.
*
* free inode in the iag.
*
* PRE CONDITION: Already have AG lock for this AG.
*
*
* PARAMETERS:
* imap - pointer to inode map control structure.
* agno - allocation group.
* ip - pointer to new inode to be filled in on successful return
* imap - pointer to inode map control structure.
* agno - allocation group.
* ip - pointer to new inode to be filled in on successful return
* with the disk inode number allocated, its extent address
* and the start of the ag.
*
* RETURN VALUES:
* 0 - success.
* -ENOSPC - insufficient disk resources.
* -EIO - i/o error.
* -EIO - i/o error.
*/
static int diAllocIno(struct inomap * imap, int agno, struct inode *ip)
{
@ -1867,7 +1867,7 @@ static int diAllocIno(struct inomap * imap, int agno, struct inode *ip)
return -EIO;
}
/* compute the inode number within the iag.
/* compute the inode number within the iag.
*/
ino = (extno << L2INOSPEREXT) + rem;
@ -1892,17 +1892,17 @@ static int diAllocIno(struct inomap * imap, int agno, struct inode *ip)
/*
* NAME: diAllocExt(imap,agno,ip)
*
* FUNCTION: add a new extent of free inodes to an iag, allocating
* an inode from this extent to satisfy the current allocation
* request.
*
* FUNCTION: add a new extent of free inodes to an iag, allocating
* an inode from this extent to satisfy the current allocation
* request.
*
* this routine first tries to find an existing iag with free
* extents through the ag free extent list. if list is not
* empty, the head of the list will be selected as the home
* of the new extent of free inodes. otherwise (the list is
* empty), a new iag will be allocated for the ag to contain
* the extent.
*
*
* once an iag has been selected, the free extent summary map
* is used to locate a free extent within the iag and diNewExt()
* is called to initialize the extent, with initialization
@ -1910,16 +1910,16 @@ static int diAllocIno(struct inomap * imap, int agno, struct inode *ip)
* for the purpose of satisfying this request.
*
* PARAMETERS:
* imap - pointer to inode map control structure.
* agno - allocation group number.
* ip - pointer to new inode to be filled in on successful return
* imap - pointer to inode map control structure.
* agno - allocation group number.
* ip - pointer to new inode to be filled in on successful return
* with the disk inode number allocated, its extent address
* and the start of the ag.
*
* RETURN VALUES:
* 0 - success.
* -ENOSPC - insufficient disk resources.
* -EIO - i/o error.
* -EIO - i/o error.
*/
static int diAllocExt(struct inomap * imap, int agno, struct inode *ip)
{
@ -2012,7 +2012,7 @@ static int diAllocExt(struct inomap * imap, int agno, struct inode *ip)
/*
* NAME: diAllocBit(imap,iagp,ino)
*
* FUNCTION: allocate a backed inode from an iag.
* FUNCTION: allocate a backed inode from an iag.
*
* this routine performs the mechanics of allocating a
* specified inode from a backed extent.
@ -2025,19 +2025,19 @@ static int diAllocExt(struct inomap * imap, int agno, struct inode *ip)
* in the face of updates to multiple buffers. under this
* approach, all required buffers are obtained before making
* any updates and are held all are updates are complete.
*
*
* PRE CONDITION: Already have buffer lock on iagp. Already have AG lock on
* this AG. Must have read lock on imap inode.
*
* PARAMETERS:
* imap - pointer to inode map control structure.
* iagp - pointer to iag.
* ino - inode number to be allocated within the iag.
* imap - pointer to inode map control structure.
* iagp - pointer to iag.
* ino - inode number to be allocated within the iag.
*
* RETURN VALUES:
* 0 - success.
* -ENOSPC - insufficient disk resources.
* -EIO - i/o error.
* -EIO - i/o error.
*/
static int diAllocBit(struct inomap * imap, struct iag * iagp, int ino)
{
@ -2172,19 +2172,19 @@ static int diAllocBit(struct inomap * imap, struct iag * iagp, int ino)
* buffers. under this approach, all required buffers are
* obtained before making any updates and are held until all
* updates are complete.
*
*
* PRE CONDITION: Already have buffer lock on iagp. Already have AG lock on
* this AG. Must have read lock on imap inode.
*
* PARAMETERS:
* imap - pointer to inode map control structure.
* iagp - pointer to iag.
* extno - extent number.
* imap - pointer to inode map control structure.
* iagp - pointer to iag.
* extno - extent number.
*
* RETURN VALUES:
* 0 - success.
* -ENOSPC - insufficient disk resources.
* -EIO - i/o error.
* -EIO - i/o error.
*/
static int diNewExt(struct inomap * imap, struct iag * iagp, int extno)
{
@ -2432,34 +2432,34 @@ static int diNewExt(struct inomap * imap, struct iag * iagp, int extno)
/*
* NAME: diNewIAG(imap,iagnop,agno)
*
* FUNCTION: allocate a new iag for an allocation group.
*
* first tries to allocate the iag from the inode map
* iagfree list:
* if the list has free iags, the head of the list is removed
* FUNCTION: allocate a new iag for an allocation group.
*
* first tries to allocate the iag from the inode map
* iagfree list:
* if the list has free iags, the head of the list is removed
* and returned to satisfy the request.
* if the inode map's iag free list is empty, the inode map
* is extended to hold a new iag. this new iag is initialized
* and returned to satisfy the request.
*
* PARAMETERS:
* imap - pointer to inode map control structure.
* iagnop - pointer to an iag number set with the number of the
* imap - pointer to inode map control structure.
* iagnop - pointer to an iag number set with the number of the
* newly allocated iag upon successful return.
* agno - allocation group number.
* agno - allocation group number.
* bpp - Buffer pointer to be filled in with new IAG's buffer
*
* RETURN VALUES:
* 0 - success.
* -ENOSPC - insufficient disk resources.
* -EIO - i/o error.
* -EIO - i/o error.
*
* serialization:
* serialization:
* AG lock held on entry/exit;
* write lock on the map is held inside;
* read lock on the map is held on successful completion;
*
* note: new iag transaction:
* note: new iag transaction:
* . synchronously write iag;
* . write log of xtree and inode of imap;
* . commit;
@ -2494,7 +2494,7 @@ diNewIAG(struct inomap * imap, int *iagnop, int agno, struct metapage ** mpp)
/* acquire the free iag lock */
IAGFREE_LOCK(imap);
/* if there are any iags on the inode map free iag list,
/* if there are any iags on the inode map free iag list,
* allocate the iag from the head of the list.
*/
if (imap->im_freeiag >= 0) {
@ -2618,8 +2618,8 @@ diNewIAG(struct inomap * imap, int *iagnop, int agno, struct metapage ** mpp)
flush_metapage(mp);
/*
* txCommit(COMMIT_FORCE) will synchronously write address
* index pages and inode after commit in careful update order
* txCommit(COMMIT_FORCE) will synchronously write address
* index pages and inode after commit in careful update order
* of address index pages (right to left, bottom up);
*/
iplist[0] = ipimap;
@ -2678,11 +2678,11 @@ diNewIAG(struct inomap * imap, int *iagnop, int agno, struct metapage ** mpp)
*
* FUNCTION: get the buffer for the specified iag within a fileset
* or aggregate inode map.
*
*
* PARAMETERS:
* imap - pointer to inode map control structure.
* iagno - iag number.
* bpp - point to buffer pointer to be filled in on successful
* imap - pointer to inode map control structure.
* iagno - iag number.
* bpp - point to buffer pointer to be filled in on successful
* exit.
*
* SERIALIZATION:
@ -2692,7 +2692,7 @@ diNewIAG(struct inomap * imap, int *iagnop, int agno, struct metapage ** mpp)
*
* RETURN VALUES:
* 0 - success.
* -EIO - i/o error.
* -EIO - i/o error.
*/
static int diIAGRead(struct inomap * imap, int iagno, struct metapage ** mpp)
{
@ -2718,8 +2718,8 @@ static int diIAGRead(struct inomap * imap, int iagno, struct metapage ** mpp)
* the specified bit position.
*
* PARAMETERS:
* word - word to be examined.
* start - starting bit position.
* word - word to be examined.
* start - starting bit position.
*
* RETURN VALUES:
* bit position of first free bit in the word or 32 if
@ -2740,10 +2740,10 @@ static int diFindFree(u32 word, int start)
/*
* NAME: diUpdatePMap()
*
* FUNCTION: Update the persistent map in an IAG for the allocation or
*
* FUNCTION: Update the persistent map in an IAG for the allocation or
* freeing of the specified inode.
*
*
* PRE CONDITIONS: Working map has already been updated for allocate.
*
* PARAMETERS:
@ -2752,7 +2752,7 @@ static int diFindFree(u32 word, int start)
* is_free - If 'true' indicates inode should be marked freed, otherwise
* indicates inode should be marked allocated.
*
* RETURN VALUES:
* RETURN VALUES:
* 0 for success
*/
int
@ -2793,7 +2793,7 @@ diUpdatePMap(struct inode *ipimap,
extno = ino >> L2INOSPEREXT;
bitno = ino & (INOSPEREXT - 1);
mask = HIGHORDER >> bitno;
/*
/*
* mark the inode free in persistent map:
*/
if (is_free) {
@ -2803,7 +2803,7 @@ diUpdatePMap(struct inode *ipimap,
* of last reference release;
*/
if (!(le32_to_cpu(iagp->wmap[extno]) & mask)) {
jfs_error(ipimap->i_sb,
jfs_error(ipimap->i_sb,
"diUpdatePMap: inode %ld not marked as "
"allocated in wmap!", inum);
}
@ -2877,8 +2877,8 @@ diUpdatePMap(struct inode *ipimap,
* diExtendFS()
*
* function: update imap for extendfs();
*
* note: AG size has been increased s.t. each k old contiguous AGs are
*
* note: AG size has been increased s.t. each k old contiguous AGs are
* coalesced into a new AG;
*/
int diExtendFS(struct inode *ipimap, struct inode *ipbmap)
@ -2897,7 +2897,7 @@ int diExtendFS(struct inode *ipimap, struct inode *ipbmap)
atomic_read(&imap->im_numfree));
/*
* reconstruct imap
* reconstruct imap
*
* coalesce contiguous k (newAGSize/oldAGSize) AGs;
* i.e., (AGi, ..., AGj) where i = k*n and j = k*(n+1) - 1 to AGn;
@ -2931,7 +2931,7 @@ int diExtendFS(struct inode *ipimap, struct inode *ipbmap)
}
/* leave free iag in the free iag list */
if (iagp->nfreeexts == cpu_to_le32(EXTSPERIAG)) {
if (iagp->nfreeexts == cpu_to_le32(EXTSPERIAG)) {
release_metapage(bp);
continue;
}

14
fs/jfs/jfs_imap.h
View File

@ -1,18 +1,18 @@
/*
* Copyright (c) International Business Machines Corp., 2000-2002
* Copyright (C) International Business Machines Corp., 2000-2002
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _H_JFS_IMAP
@ -45,13 +45,13 @@
/* get the starting block number of the 4K page of an inode extent
* that contains ino.
*/
#define INOPBLK(pxd,ino,l2nbperpg) (addressPXD((pxd)) + \
#define INOPBLK(pxd,ino,l2nbperpg) (addressPXD((pxd)) + \
((((ino) & (INOSPEREXT-1)) >> L2INOSPERPAGE) << (l2nbperpg)))
/*
* inode allocation map:
*
* inode allocation map consists of
*
* inode allocation map consists of
* . the inode map control page and
* . inode allocation group pages (per 4096 inodes)
* which are addressed by standard JFS xtree.

8
fs/jfs/jfs_incore.h
View File

@ -4,18 +4,18 @@
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
*/
#ifndef _H_JFS_INCORE
#define _H_JFS_INCORE

6
fs/jfs/jfs_inode.c
View File

@ -3,16 +3,16 @@
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/

6
fs/jfs/jfs_inode.h
View File

@ -3,16 +3,16 @@
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _H_JFS_INODE

10
fs/jfs/jfs_lock.h
View File

@ -1,19 +1,19 @@
/*
* Copyright (c) International Business Machines Corp., 2000-2001
* Portions Copyright (c) Christoph Hellwig, 2001-2002
* Copyright (C) International Business Machines Corp., 2000-2001
* Portions Copyright (C) Christoph Hellwig, 2001-2002
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _H_JFS_LOCK

38
fs/jfs/jfs_logmgr.c
View File

@ -4,16 +4,16 @@
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
@ -337,7 +337,7 @@ int lmLog(struct jfs_log * log, struct tblock * tblk, struct lrd * lrd,
* PARAMETER: cd - commit descriptor
*
* RETURN: end-of-log address
*
*
* serialization: LOG_LOCK() held on entry/exit
*/
static int
@ -554,7 +554,7 @@ lmWriteRecord(struct jfs_log * log, struct tblock * tblk, struct lrd * lrd,
* PARAMETER: log
*
* RETURN: 0
*
*
* serialization: LOG_LOCK() held on entry/exit
*/
static int lmNextPage(struct jfs_log * log)
@ -656,7 +656,7 @@ static int lmNextPage(struct jfs_log * log)
* page number - redrive pageout of the page at the head of
* pageout queue until full page has been written.
*
* RETURN:
* RETURN:
*
* NOTE:
* LOGGC_LOCK serializes log group commit queue, and
@ -920,10 +920,10 @@ static void lmPostGC(struct lbuf * bp)
* this code is called again.
*
* PARAMETERS: log - log structure
* hard_sync - 1 to force all metadata to be written
* hard_sync - 1 to force all metadata to be written
*
* RETURN: 0
*
*
* serialization: LOG_LOCK() held on entry/exit
*/
static int lmLogSync(struct jfs_log * log, int hard_sync)
@ -1052,7 +1052,7 @@ static int lmLogSync(struct jfs_log * log, int hard_sync)
* FUNCTION: write log SYNCPT record for specified log
*
* PARAMETERS: log - log structure
* hard_sync - set to 1 to force metadata to be written
* hard_sync - set to 1 to force metadata to be written
*/
void jfs_syncpt(struct jfs_log *log, int hard_sync)
{ LOG_LOCK(log);
@ -1067,7 +1067,7 @@ void jfs_syncpt(struct jfs_log *log, int hard_sync)
* insert filesystem in the active list of the log.
*
* PARAMETER: ipmnt - file system mount inode
* iplog - log inode (out)
* iplog - log inode (out)
*
* RETURN:
*
@ -1082,7 +1082,7 @@ int lmLogOpen(struct super_block *sb)
if (sbi->flag & JFS_NOINTEGRITY)
return open_dummy_log(sb);
if (sbi->mntflag & JFS_INLINELOG)
return open_inline_log(sb);
@ -1131,7 +1131,7 @@ int lmLogOpen(struct super_block *sb)
log->bdev = bdev;
memcpy(log->uuid, sbi->loguuid, sizeof(log->uuid));
/*
* initialize log:
*/
@ -1253,13 +1253,13 @@ static int open_dummy_log(struct super_block *sb)
* initialize the log from log superblock.
* set the log state in the superblock to LOGMOUNT and
* write SYNCPT log record.
*
*
* PARAMETER: log - log structure
*
* RETURN: 0 - if ok
* -EINVAL - bad log magic number or superblock dirty
* error returned from logwait()
*
*
* serialization: single first open thread
*/
int lmLogInit(struct jfs_log * log)
@ -1297,7 +1297,7 @@ int lmLogInit(struct jfs_log * log)
if (!test_bit(log_INLINELOG, &log->flag))
log->l2bsize = L2LOGPSIZE;
/* check for disabled journaling to disk */
if (log->no_integrity) {
/*
@ -1651,7 +1651,7 @@ void jfs_flush_journal(struct jfs_log *log, int wait)
* PARAMETER: log - log inode
*
* RETURN: 0 - success
*
*
* serialization: single last close thread
*/
int lmLogShutdown(struct jfs_log * log)
@ -1677,7 +1677,7 @@ int lmLogShutdown(struct jfs_log * log)
lrd.type = cpu_to_le16(LOG_SYNCPT);
lrd.length = 0;
lrd.log.syncpt.sync = 0;
lsn = lmWriteRecord(log, NULL, &lrd, NULL);
bp = log->bp;
lp = (struct logpage *) bp->l_ldata;
@ -1703,7 +1703,7 @@ int lmLogShutdown(struct jfs_log * log)
jfs_info("lmLogShutdown: lsn:0x%x page:%d eor:%d",
lsn, log->page, log->eor);
out:
out:
/*
* shutdown per log i/o
*/
@ -1769,7 +1769,7 @@ static int lmLogFileSystem(struct jfs_log * log, struct jfs_sb_info *sbi,
lbmFree(bpsuper);
return -EIO;
}
}
/*

76
fs/jfs/jfs_logmgr.h
View File

@ -4,16 +4,16 @@
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _H_JFS_LOGMGR
@ -35,19 +35,19 @@
/*
* log logical volume
*
* a log is used to make the commit operation on journalled
* a log is used to make the commit operation on journalled
* files within the same logical volume group atomic.
* a log is implemented with a logical volume.
* there is one log per logical volume group.
* there is one log per logical volume group.
*
* block 0 of the log logical volume is not used (ipl etc).
* block 1 contains a log "superblock" and is used by logFormat(),
* lmLogInit(), lmLogShutdown(), and logRedo() to record status
* of the log but is not otherwise used during normal processing.
* lmLogInit(), lmLogShutdown(), and logRedo() to record status
* of the log but is not otherwise used during normal processing.
* blocks 2 - (N-1) are used to contain log records.
*
* when a volume group is varied-on-line, logRedo() must have
* been executed before the file systems (logical volumes) in
* when a volume group is varied-on-line, logRedo() must have
* been executed before the file systems (logical volumes) in
* the volume group can be mounted.
*/
/*
@ -97,26 +97,26 @@ struct logsuper {
* log logical page
*
* (this comment should be rewritten !)
* the header and trailer structures (h,t) will normally have
* the header and trailer structures (h,t) will normally have
* the same page and eor value.
* An exception to this occurs when a complete page write is not
* An exception to this occurs when a complete page write is not
* accomplished on a power failure. Since the hardware may "split write"
* sectors in the page, any out of order sequence may occur during powerfail
* sectors in the page, any out of order sequence may occur during powerfail
* and needs to be recognized during log replay. The xor value is
* an "exclusive or" of all log words in the page up to eor. This
* 32 bit eor is stored with the top 16 bits in the header and the
* bottom 16 bits in the trailer. logredo can easily recognize pages
* that were not completed by reconstructing this eor and checking
* that were not completed by reconstructing this eor and checking
* the log page.
*
* Previous versions of the operating system did not allow split
* writes and detected partially written records in logredo by
* ordering the updates to the header, trailer, and the move of data
* into the logdata area. The order: (1) data is moved (2) header
* is updated (3) trailer is updated. In logredo, when the header
* differed from the trailer, the header and trailer were reconciled
* as follows: if h.page != t.page they were set to the smaller of
* the two and h.eor and t.eor set to 8 (i.e. empty page). if (only)
* Previous versions of the operating system did not allow split
* writes and detected partially written records in logredo by
* ordering the updates to the header, trailer, and the move of data
* into the logdata area. The order: (1) data is moved (2) header
* is updated (3) trailer is updated. In logredo, when the header
* differed from the trailer, the header and trailer were reconciled
* as follows: if h.page != t.page they were set to the smaller of
* the two and h.eor and t.eor set to 8 (i.e. empty page). if (only)
* h.eor != t.eor they were set to the smaller of their two values.
*/
struct logpage {
@ -147,20 +147,20 @@ struct logpage {
* in a page, pages are written to temporary paging space if
* if they must be written to disk before commit, and i/o is
* scheduled for modified pages to their home location after
* the log records containing the after values and the commit
* the log records containing the after values and the commit
* record is written to the log on disk, undo discards the copy
* in main-memory.)
*
* a log record consists of a data area of variable length followed by
* a log record consists of a data area of variable length followed by
* a descriptor of fixed size LOGRDSIZE bytes.
* the data area is rounded up to an integral number of 4-bytes and
* the data area is rounded up to an integral number of 4-bytes and
* must be no longer than LOGPSIZE.
* the descriptor is of size of multiple of 4-bytes and aligned on a
* 4-byte boundary.
* the descriptor is of size of multiple of 4-bytes and aligned on a
* 4-byte boundary.
* records are packed one after the other in the data area of log pages.
* (sometimes a DUMMY record is inserted so that at least one record ends
* (sometimes a DUMMY record is inserted so that at least one record ends
* on every page or the longest record is placed on at most two pages).
* the field eor in page header/trailer points to the byte following
* the field eor in page header/trailer points to the byte following
* the last record on a page.
*/
@ -270,11 +270,11 @@ struct lrd {
/*
* NOREDOINOEXT: the inode extent is freed
*
* do not apply after-image records which precede this
* record in the log with the any of the 4 page block
* numbers in this inode extent.
*
* NOTE: The fileset and pxd fields MUST remain in
* do not apply after-image records which precede this
* record in the log with the any of the 4 page block
* numbers in this inode extent.
*
* NOTE: The fileset and pxd fields MUST remain in
* the same fields in the REDOPAGE record format.
*
*/
@ -319,12 +319,10 @@ struct lrd {
* do not apply records which precede this record in the log
* with the same inode number.
*
* NOREDILE must be the first to be written at commit
* NOREDOFILE must be the first to be written at commit
* (last to be read in logredo()) - it prevents
* replay of preceding updates of all preceding generations
* of the inumber esp. the on-disk inode itself,
* but does NOT prevent
* replay of the
* of the inumber esp. the on-disk inode itself.
*/
struct {
__le32 fileset; /* 4: fileset number */
@ -332,7 +330,7 @@ struct lrd {
} noredofile;
/*
* ? NEWPAGE:
* ? NEWPAGE:
*
* metadata type dependent
*/
@ -464,7 +462,7 @@ struct lbuf {
s64 l_blkno; /* 8: log page block number */
caddr_t l_ldata; /* 4: data page */
struct page *l_page; /* The page itself */
uint l_offset; /* Offset of l_ldata within the page */
uint l_offset; /* Offset of l_ldata within the page */
wait_queue_head_t l_ioevent; /* 4: i/o done event */
};

12
fs/jfs/jfs_metapage.c
View File

@ -4,16 +4,16 @@
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
@ -461,7 +461,7 @@ static int metapage_writepage(struct page *page, struct writeback_control *wbc)
goto add_failed;
if (!bio->bi_size)
goto dump_bio;
submit_bio(WRITE, bio);
}
if (redirty)
@ -648,7 +648,7 @@ struct metapage *__get_metapage(struct inode *inode, unsigned long lblock,
jfs_err("logical_size = %d, size = %d",
mp->logical_size, size);
dump_stack();
goto unlock;
goto unlock;
}
mp->count++;
lock_metapage(mp);
@ -658,7 +658,7 @@ struct metapage *__get_metapage(struct inode *inode, unsigned long lblock,
"__get_metapage: using a "
"discarded metapage");
discard_metapage(mp);
goto unlock;
goto unlock;
}
clear_bit(META_discard, &mp->flag);
}

8
fs/jfs/jfs_metapage.h
View File

@ -4,16 +4,16 @@
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _H_JFS_METAPAGE
@ -33,7 +33,7 @@ struct metapage {
unsigned long flag; /* See Below */
unsigned long count; /* Reference count */
void *data; /* Data pointer */
sector_t index; /* block address of page */
sector_t index; /* block address of page */
wait_queue_head_t wait;
/* implementation */

34
fs/jfs/jfs_mount.c
View File

@ -3,16 +3,16 @@
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
@ -21,18 +21,18 @@
*
* note: file system in transition to aggregate/fileset:
*
* file system mount is interpreted as the mount of aggregate,
* if not already mounted, and mount of the single/only fileset in
* file system mount is interpreted as the mount of aggregate,
* if not already mounted, and mount of the single/only fileset in
* the aggregate;
*
* a file system/aggregate is represented by an internal inode
* (aka mount inode) initialized with aggregate superblock;
* each vfs represents a fileset, and points to its "fileset inode
* each vfs represents a fileset, and points to its "fileset inode
* allocation map inode" (aka fileset inode):
* (an aggregate itself is structured recursively as a filset:
* an internal vfs is constructed and points to its "fileset inode
* allocation map inode" (aka aggregate inode) where each inode
* represents a fileset inode) so that inode number is mapped to
* (an aggregate itself is structured recursively as a filset:
* an internal vfs is constructed and points to its "fileset inode
* allocation map inode" (aka aggregate inode) where each inode
* represents a fileset inode) so that inode number is mapped to
* on-disk inode in uniform way at both aggregate and fileset level;
*
* each vnode/inode of a fileset is linked to its vfs (to facilitate
@ -41,7 +41,7 @@
* per aggregate information, e.g., block size, etc.) as well as
* its file set inode.
*
* aggregate
* aggregate
* ipmnt
* mntvfs -> fileset ipimap+ -> aggregate ipbmap -> aggregate ipaimap;
* fileset vfs -> vp(1) <-> ... <-> vp(n) <->vproot;
@ -88,7 +88,7 @@ int jfs_mount(struct super_block *sb)
struct inode *ipbmap = NULL;
/*
* read/validate superblock
* read/validate superblock
* (initialize mount inode from the superblock)
*/
if ((rc = chkSuper(sb))) {
@ -238,7 +238,7 @@ int jfs_mount(struct super_block *sb)
*/
int jfs_mount_rw(struct super_block *sb, int remount)
{
struct jfs_sb_info *sbi = JFS_SBI(sb);
struct jfs_sb_info *sbi = JFS_SBI(sb);
int rc;
/*
@ -291,7 +291,7 @@ int jfs_mount_rw(struct super_block *sb, int remount)
/*
* chkSuper()
*
* validate the superblock of the file system to be mounted and
* validate the superblock of the file system to be mounted and
* get the file system parameters.
*
* returns
@ -426,7 +426,7 @@ int updateSuper(struct super_block *sb, uint state)
jfs_err("updateSuper: bad state");
} else if (sbi->state == FM_DIRTY)
return 0;
if ((rc = readSuper(sb, &bh)))
return rc;
@ -486,9 +486,9 @@ int readSuper(struct super_block *sb, struct buffer_head **bpp)
* for this file system past this point in log.
* it is harmless if mount fails.
*
* note: MOUNT record is at aggregate level, not at fileset level,
* note: MOUNT record is at aggregate level, not at fileset level,
* since log records of previous mounts of a fileset
* (e.g., AFTER record of extent allocation) have to be processed
* (e.g., AFTER record of extent allocation) have to be processed
* to update block allocation map at aggregate level.
*/
static int logMOUNT(struct super_block *sb)

22
fs/jfs/jfs_superblock.h
View File

@ -3,16 +3,16 @@
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _H_JFS_SUPERBLOCK
@ -21,14 +21,14 @@
/*
* make the magic number something a human could read
*/
#define JFS_MAGIC "JFS1" /* Magic word */
#define JFS_MAGIC "JFS1" /* Magic word */
#define JFS_VERSION 2 /* Version number: Version 2 */
#define LV_NAME_SIZE 11 /* MUST BE 11 for OS/2 boot sector */
/*
* aggregate superblock
/*
* aggregate superblock
*
* The name superblock is too close to super_block, so the name has been
* changed to jfs_superblock. The utilities are still using the old name.
@ -40,7 +40,7 @@ struct jfs_superblock {
__le64 s_size; /* 8: aggregate size in hardware/LVM blocks;
* VFS: number of blocks
*/
__le32 s_bsize; /* 4: aggregate block size in bytes;
__le32 s_bsize; /* 4: aggregate block size in bytes;
* VFS: fragment size
*/
__le16 s_l2bsize; /* 2: log2 of s_bsize */
@ -54,7 +54,7 @@ struct jfs_superblock {
__le32 s_flag; /* 4: aggregate attributes:
* see jfs_filsys.h
*/
__le32 s_state; /* 4: mount/unmount/recovery state:
__le32 s_state; /* 4: mount/unmount/recovery state:
* see jfs_filsys.h
*/
__le32 s_compress; /* 4: > 0 if data compression */
@ -75,11 +75,11 @@ struct jfs_superblock {
struct timestruc_t s_time; /* 8: time last updated */
__le32 s_fsckloglen; /* 4: Number of filesystem blocks reserved for
* the fsck service log.
* the fsck service log.
* N.B. These blocks are divided among the
* versions kept. This is not a per
* version size.
* N.B. These blocks are included in the
* N.B. These blocks are included in the
* length field of s_fsckpxd.
*/
s8 s_fscklog; /* 1: which fsck service log is most recent
@ -87,7 +87,7 @@ struct jfs_superblock {
* 1 => the first one
* 2 => the 2nd one
*/
char s_fpack[11]; /* 11: file system volume name
char s_fpack[11]; /* 11: file system volume name
* N.B. This must be 11 bytes to
* conform with the OS/2 BootSector
* requirements

6
fs/jfs/jfs_txnmgr.c
View File

@ -4,16 +4,16 @@
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/

12
fs/jfs/jfs_txnmgr.h
View File

@ -3,16 +3,16 @@
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _H_JFS_TXNMGR
@ -179,7 +179,7 @@ struct linelock {
/* (8) */
struct lv lv[20]; /* 40: */
}; /* (48) */
}; /* (48) */
#define dt_lock linelock
@ -211,8 +211,8 @@ struct xtlock {
* at tlock.lock/linelock: watch for alignment;
* N.B. next field may be set by linelock, and should not
* be modified by maplock;
* N.B. index of the first pxdlock specifies index of next
* free maplock (i.e., number of maplock) in the tlock;
* N.B. index of the first pxdlock specifies index of next
* free maplock (i.e., number of maplock) in the tlock;
*/
struct maplock {
lid_t next; /* 2: */

24
fs/jfs/jfs_umount.c
View File

@ -3,16 +3,16 @@
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
@ -22,8 +22,8 @@
* note: file system in transition to aggregate/fileset:
* (ref. jfs_mount.c)
*
* file system unmount is interpreted as mount of the single/only
* fileset in the aggregate and, if unmount of the last fileset,
* file system unmount is interpreted as mount of the single/only
* fileset in the aggregate and, if unmount of the last fileset,
* as unmount of the aggerate;
*/
@ -60,13 +60,13 @@ int jfs_umount(struct super_block *sb)
jfs_info("UnMount JFS: sb:0x%p", sb);
/*
* update superblock and close log
* update superblock and close log
*
* if mounted read-write and log based recovery was enabled
*/
if ((log = sbi->log))
/*
* Wait for outstanding transactions to be written to log:
* Wait for outstanding transactions to be written to log:
*/
jfs_flush_journal(log, 2);
@ -112,17 +112,17 @@ int jfs_umount(struct super_block *sb)
/*
* ensure all file system file pages are propagated to their
* home blocks on disk (and their in-memory buffer pages are
* home blocks on disk (and their in-memory buffer pages are
* invalidated) BEFORE updating file system superblock state
* (to signify file system is unmounted cleanly, and thus in
* consistent state) and log superblock active file system
* (to signify file system is unmounted cleanly, and thus in
* consistent state) and log superblock active file system
* list (to signify skip logredo()).
*/
if (log) { /* log = NULL if read-only mount */
updateSuper(sb, FM_CLEAN);
/*
* close log:
* close log:
*
* remove file system from log active file system list.
*/
@ -142,7 +142,7 @@ int jfs_umount_rw(struct super_block *sb)
return 0;
/*
* close log:
* close log:
*
* remove file system from log active file system list.
*/

10
fs/jfs/jfs_unicode.c
View File

@ -3,16 +3,16 @@
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
@ -57,8 +57,8 @@ int jfs_strfromUCS_le(char *to, const __le16 * from,
warn--;
warn_again--;
printk(KERN_ERR
"non-latin1 character 0x%x found in JFS file name\n",
le16_to_cpu(from[i]));
"non-latin1 character 0x%x found in JFS file name\n",
le16_to_cpu(from[i]));
printk(KERN_ERR
"mount with iocharset=utf8 to access\n");
}

10
fs/jfs/jfs_unicode.h
View File

@ -1,19 +1,19 @@
/*
* Copyright (c) International Business Machines Corp., 2000-2002
* Portions Copyright (c) Christoph Hellwig, 2001-2002
* Copyright (C) International Business Machines Corp., 2000-2002
* Portions Copyright (C) Christoph Hellwig, 2001-2002
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _H_JFS_UNICODE

8
fs/jfs/jfs_uniupr.c
View File

@ -1,18 +1,18 @@
/*
* Copyright (c) International Business Machines Corp., 2000-2002
* Copyright (C) International Business Machines Corp., 2000-2002
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/

2
fs/jfs/jfs_xattr.h
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) International Business Machines Corp., 2000-2002
* Copyright (C) International Business Machines Corp., 2000-2002
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

12
fs/jfs/jfs_xtree.c
View File

@ -3,16 +3,16 @@
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
@ -2428,7 +2428,7 @@ printf("xtUpdate.updateLeft.split p:0x%p\n", p);
* return:
*/
int xtAppend(tid_t tid, /* transaction id */
struct inode *ip, int xflag, s64 xoff, s32 maxblocks,
struct inode *ip, int xflag, s64 xoff, s32 maxblocks,
s32 * xlenp, /* (in/out) */
s64 * xaddrp, /* (in/out) */
int flag)
@ -2499,7 +2499,7 @@ int xtAppend(tid_t tid, /* transaction id */
pxdlist.maxnpxd = pxdlist.npxd = 0;
pxd = &pxdlist.pxd[0];
nblocks = JFS_SBI(ip->i_sb)->nbperpage;
for (; nsplit > 0; nsplit--, pxd++, xaddr += nblocks, maxblocks -= nblocks) {
for (; nsplit > 0; nsplit--, pxd++, xaddr += nblocks, maxblocks -= nblocks) {
if ((rc = dbAllocBottomUp(ip, xaddr, (s64) nblocks)) == 0) {
PXDaddress(pxd, xaddr);
PXDlength(pxd, nblocks);
@ -2514,7 +2514,7 @@ int xtAppend(tid_t tid, /* transaction id */
goto out;
}
xlen = min(xlen, maxblocks);
xlen = min(xlen, maxblocks);
/*
* allocate data extent requested

8
fs/jfs/jfs_xtree.h
View File

@ -1,18 +1,18 @@
/*
* Copyright (c) International Business Machines Corp., 2000-2002
* Copyright (C) International Business Machines Corp., 2000-2002
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _H_JFS_XTREE

50
fs/jfs/namei.c
View File

@ -4,16 +4,16 @@
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
@ -41,7 +41,7 @@ static s64 commitZeroLink(tid_t, struct inode *);
/*
* NAME: free_ea_wmap(inode)
*
* FUNCTION: free uncommitted extended attributes from working map
* FUNCTION: free uncommitted extended attributes from working map
*
*/
static inline void free_ea_wmap(struct inode *inode)
@ -62,7 +62,7 @@ static inline void free_ea_wmap(struct inode *inode)
* FUNCTION: create a regular file in the parent directory <dip>
* with name = <from dentry> and mode = <mode>
*
* PARAMETER: dip - parent directory vnode
* PARAMETER: dip - parent directory vnode
* dentry - dentry of new file
* mode - create mode (rwxrwxrwx).
* nd- nd struct
@ -190,7 +190,7 @@ static int jfs_create(struct inode *dip, struct dentry *dentry, int mode,
* FUNCTION: create a child directory in the parent directory <dip>
* with name = <from dentry> and mode = <mode>
*
* PARAMETER: dip - parent directory vnode
* PARAMETER: dip - parent directory vnode
* dentry - dentry of child directory
* mode - create mode (rwxrwxrwx).
*
@ -324,7 +324,7 @@ static int jfs_mkdir(struct inode *dip, struct dentry *dentry, int mode)
*
* FUNCTION: remove a link to child directory
*
* PARAMETER: dip - parent inode
* PARAMETER: dip - parent inode
* dentry - child directory dentry
*
* RETURN: -EINVAL - if name is . or ..
@ -332,10 +332,10 @@ static int jfs_mkdir(struct inode *dip, struct dentry *dentry, int mode)
* errors from subroutines
*
* note:
* if other threads have the directory open when the last link
* is removed, the "." and ".." entries, if present, are removed before
* rmdir() returns and no new entries may be created in the directory,
* but the directory is not removed until the last reference to
* if other threads have the directory open when the last link
* is removed, the "." and ".." entries, if present, are removed before
* rmdir() returns and no new entries may be created in the directory,
* but the directory is not removed until the last reference to
* the directory is released (cf.unlink() of regular file).
*/
static int jfs_rmdir(struct inode *dip, struct dentry *dentry)
@ -446,11 +446,11 @@ static int jfs_rmdir(struct inode *dip, struct dentry *dentry)
/*
* NAME: jfs_unlink(dip, dentry)
*
* FUNCTION: remove a link to object <vp> named by <name>
* FUNCTION: remove a link to object <vp> named by <name>
* from parent directory <dvp>
*
* PARAMETER: dip - inode of parent directory
* dentry - dentry of object to be removed
* PARAMETER: dip - inode of parent directory
* dentry - dentry of object to be removed
*
* RETURN: errors from subroutines
*
@ -598,7 +598,7 @@ static int jfs_unlink(struct inode *dip, struct dentry *dentry)
*
* FUNCTION: for non-directory, called by jfs_remove(),
* truncate a regular file, directory or symbolic
* link to zero length. return 0 if type is not
* link to zero length. return 0 if type is not
* one of these.
*
* if the file is currently associated with a VM segment
@ -608,7 +608,7 @@ static int jfs_unlink(struct inode *dip, struct dentry *dentry)
* map by ctrunc1.
* if there is no VM segment on entry, the resources are
* freed in both work and permanent map.
* (? for temporary file - memory object is cached even
* (? for temporary file - memory object is cached even
* after no reference:
* reference count > 0 - )
*
@ -662,7 +662,7 @@ static s64 commitZeroLink(tid_t tid, struct inode *ip)
/*
* free xtree/data (truncate to zero length):
* free xtree/data pages from cache if COMMIT_PWMAP,
* free xtree/data pages from cache if COMMIT_PWMAP,
* free xtree/data blocks from persistent block map, and
* free xtree/data blocks from working block map if COMMIT_PWMAP;
*/
@ -677,7 +677,7 @@ static s64 commitZeroLink(tid_t tid, struct inode *ip)
* NAME: jfs_free_zero_link()
*
* FUNCTION: for non-directory, called by iClose(),
* free resources of a file from cache and WORKING map
* free resources of a file from cache and WORKING map
* for a file previously committed with zero link count
* while associated with a pager object,
*
@ -762,7 +762,7 @@ void jfs_free_zero_link(struct inode *ip)
* FUNCTION: create a link to <vp> by the name = <name>
* in the parent directory <dvp>
*
* PARAMETER: vp - target object
* PARAMETER: vp - target object
* dvp - parent directory of new link
* name - name of new link to target object
* crp - credential
@ -858,8 +858,8 @@ static int jfs_link(struct dentry *old_dentry,
* in directory <dip>
*
* PARAMETER: dip - parent directory vnode
* dentry - dentry of symbolic link
* name - the path name of the existing object
* dentry - dentry of symbolic link
* name - the path name of the existing object
* that will be the source of the link
*
* RETURN: errors from subroutines
@ -926,7 +926,7 @@ static int jfs_symlink(struct inode *dip, struct dentry *dentry,
tblk->u.ixpxd = JFS_IP(ip)->ixpxd;
/* fix symlink access permission
* (dir_create() ANDs in the u.u_cmask,
* (dir_create() ANDs in the u.u_cmask,
* but symlinks really need to be 777 access)
*/
ip->i_mode |= 0777;
@ -967,7 +967,7 @@ static int jfs_symlink(struct inode *dip, struct dentry *dentry,
ip->i_mapping->a_ops = &jfs_aops;
/*
* even though the data of symlink object (source
* even though the data of symlink object (source
* path name) is treated as non-journaled user data,
* it is read/written thru buffer cache for performance.
*/
@ -1175,7 +1175,7 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry,
/* free block resources */
if ((new_size = commitZeroLink(tid, new_ip)) < 0) {
txAbort(tid, 1); /* Marks FS Dirty */
rc = new_size;
rc = new_size;
goto out4;
}
tblk = tid_to_tblock(tid);
@ -1291,7 +1291,7 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry,
new_size = xtTruncate_pmap(tid, new_ip, new_size);
if (new_size < 0) {
txAbort(tid, 1);
rc = new_size;
rc = new_size;
} else
rc = txCommit(tid, 1, &new_ip, COMMIT_SYNC);
txEnd(tid);

6
fs/jfs/resize.c
View File

@ -3,16 +3,16 @@
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/

10
fs/jfs/super.c
View File

@ -4,16 +4,16 @@
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
@ -82,7 +82,7 @@ static void jfs_handle_error(struct super_block *sb)
"as read-only\n",
sb->s_id);
sb->s_flags |= MS_RDONLY;
}
}
/* nothing is done for continue beyond marking the superblock dirty */
}
@ -775,7 +775,7 @@ static int __init init_jfs_fs(void)
int rc;
jfs_inode_cachep =
kmem_cache_create("jfs_ip", sizeof(struct jfs_inode_info), 0,
kmem_cache_create("jfs_ip", sizeof(struct jfs_inode_info), 0,
SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD,
init_once, NULL);
if (jfs_inode_cachep == NULL)

6
fs/jfs/symlink.c
View File

@ -3,16 +3,16 @@
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/

38
fs/jfs/xattr.c
View File

@ -4,16 +4,16 @@
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
@ -57,7 +57,7 @@
*
* 0 4 4 + EA_SIZE(ea1)
* +------------+-------------------+--------------------+-----
* | Overall EA | First FEA Element | Second FEA Element | .....
* | Overall EA | First FEA Element | Second FEA Element | .....
* | List Size | | |
* +------------+-------------------+--------------------+-----
*
@ -155,9 +155,9 @@ static void ea_release(struct inode *inode, struct ea_buffer *ea_buf);
/*
* NAME: ea_write_inline
*
*
* FUNCTION: Attempt to write an EA inline if area is available
*
*
* PRE CONDITIONS:
* Already verified that the specified EA is small enough to fit inline
*
@ -216,10 +216,10 @@ static int ea_write_inline(struct inode *ip, struct jfs_ea_list *ealist,
/*
* NAME: ea_write
*
*
* FUNCTION: Write an EA for an inode
*
* PRE CONDITIONS: EA has been verified
*
* PRE CONDITIONS: EA has been verified
*
* PARAMETERS:
* ip - Inode pointer
@ -340,9 +340,9 @@ static int ea_write(struct inode *ip, struct jfs_ea_list *ealist, int size,
/*
* NAME: ea_read_inline
*
*
* FUNCTION: Read an inlined EA into user's buffer
*
*
* PARAMETERS:
* ip - Inode pointer
* ealist - Pointer to buffer to fill in with EA
@ -372,9 +372,9 @@ static int ea_read_inline(struct inode *ip, struct jfs_ea_list *ealist)
/*
* NAME: ea_read
*
*
* FUNCTION: copy EA data into user's buffer
*
*
* PARAMETERS:
* ip - Inode pointer
* ealist - Pointer to buffer to fill in with EA
@ -406,7 +406,7 @@ static int ea_read(struct inode *ip, struct jfs_ea_list *ealist)
return -EIO;
}
/*
/*
* Figure out how many blocks were allocated when this EA list was
* originally written to disk.
*/
@ -443,14 +443,14 @@ static int ea_read(struct inode *ip, struct jfs_ea_list *ealist)
/*
* NAME: ea_get
*
*
* FUNCTION: Returns buffer containing existing extended attributes.
* The size of the buffer will be the larger of the existing
* attributes size, or min_size.
*
* The buffer, which may be inlined in the inode or in the
* page cache must be release by calling ea_release or ea_put
*
* page cache must be release by calling ea_release or ea_put
*
* PARAMETERS:
* inode - Inode pointer
* ea_buf - Structure to be populated with ealist and its metadata
@ -1054,7 +1054,7 @@ ssize_t jfs_listxattr(struct dentry * dentry, char *data, size_t buf_size)
/* compute required size of list */
for (ea = FIRST_EA(ealist); ea < END_EALIST(ealist); ea = NEXT_EA(ea)) {
if (can_list(ea))
if (can_list(ea))
size += name_size(ea) + 1;
}
@ -1069,7 +1069,7 @@ ssize_t jfs_listxattr(struct dentry * dentry, char *data, size_t buf_size)
/* Copy attribute names to buffer */
buffer = data;
for (ea = FIRST_EA(ealist); ea < END_EALIST(ealist); ea = NEXT_EA(ea)) {
if (can_list(ea)) {
if (can_list(ea)) {
int namelen = copy_name(buffer, ea);
buffer += namelen + 1;
}