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linux-sg2042
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Fix the udf code not to pass structs on stack where possible. 

Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Pekka Enberg 2008-10-15 12:29:03 +02:00 committed by Jan Kara
parent 5ca4e4be84
commit 97e961fdbf
10 changed files with 130 additions and 116 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

57
fs/udf/balloc.c
View File

@ -92,7 +92,7 @@ static int read_block_bitmap(struct super_block *sb,
loc.logicalBlockNum = bitmap->s_extPosition; loc.logicalBlockNum = bitmap->s_extPosition;
loc.partitionReferenceNum = UDF_SB(sb)->s_partition; loc.partitionReferenceNum = UDF_SB(sb)->s_partition;
bh = udf_tread(sb, udf_get_lb_pblock(sb, loc, block)); bh = udf_tread(sb, udf_get_lb_pblock(sb, &loc, block));
if (!bh) if (!bh)
retval = -EIO; retval = -EIO;
@ -156,11 +156,13 @@ static bool udf_add_free_space(struct udf_sb_info *sbi,
static void udf_bitmap_free_blocks(struct super_block *sb, static void udf_bitmap_free_blocks(struct super_block *sb,
struct inode *inode, struct inode *inode,
struct udf_bitmap *bitmap, struct udf_bitmap *bitmap,
struct kernel_lb_addr bloc, uint32_t offset, struct kernel_lb_addr *bloc,
uint32_t offset,
uint32_t count) uint32_t count)
{ {
struct udf_sb_info *sbi = UDF_SB(sb); struct udf_sb_info *sbi = UDF_SB(sb);
struct buffer_head *bh = NULL; struct buffer_head *bh = NULL;
struct udf_part_map *partmap;
unsigned long block; unsigned long block;
unsigned long block_group; unsigned long block_group;
unsigned long bit; unsigned long bit;
@ -169,17 +171,17 @@ static void udf_bitmap_free_blocks(struct super_block *sb,
unsigned long overflow; unsigned long overflow;
mutex_lock(&sbi->s_alloc_mutex); mutex_lock(&sbi->s_alloc_mutex);
if (bloc.logicalBlockNum < 0 || partmap = &sbi->s_partmaps[bloc->partitionReferenceNum];
(bloc.logicalBlockNum + count) > if (bloc->logicalBlockNum < 0 ||
sbi->s_partmaps[bloc.partitionReferenceNum].s_partition_len) { (bloc->logicalBlockNum + count) >
partmap->s_partition_len) {
udf_debug("%d < %d || %d + %d > %d\n", udf_debug("%d < %d || %d + %d > %d\n",
bloc.logicalBlockNum, 0, bloc.logicalBlockNum, count, bloc->logicalBlockNum, 0, bloc->logicalBlockNum,
sbi->s_partmaps[bloc.partitionReferenceNum]. count, partmap->s_partition_len);
s_partition_len);
goto error_return; goto error_return;
} }
block = bloc.logicalBlockNum + offset + block = bloc->logicalBlockNum + offset +
(sizeof(struct spaceBitmapDesc) << 3); (sizeof(struct spaceBitmapDesc) << 3);
do { do {
@ -425,10 +427,12 @@ error_return:
static void udf_table_free_blocks(struct super_block *sb, static void udf_table_free_blocks(struct super_block *sb,
struct inode *inode, struct inode *inode,
struct inode *table, struct inode *table,
struct kernel_lb_addr bloc, uint32_t offset, struct kernel_lb_addr *bloc,
uint32_t offset,
uint32_t count) uint32_t count)
{ {
struct udf_sb_info *sbi = UDF_SB(sb); struct udf_sb_info *sbi = UDF_SB(sb);
struct udf_part_map *partmap;
uint32_t start, end; uint32_t start, end;
uint32_t elen; uint32_t elen;
struct kernel_lb_addr eloc; struct kernel_lb_addr eloc;
@ -438,13 +442,13 @@ static void udf_table_free_blocks(struct super_block *sb,
struct udf_inode_info *iinfo; struct udf_inode_info *iinfo;
mutex_lock(&sbi->s_alloc_mutex); mutex_lock(&sbi->s_alloc_mutex);
if (bloc.logicalBlockNum < 0 || partmap = &sbi->s_partmaps[bloc->partitionReferenceNum];
(bloc.logicalBlockNum + count) > if (bloc->logicalBlockNum < 0 ||
sbi->s_partmaps[bloc.partitionReferenceNum].s_partition_len) { (bloc->logicalBlockNum + count) >
partmap->s_partition_len) {
udf_debug("%d < %d || %d + %d > %d\n", udf_debug("%d < %d || %d + %d > %d\n",
bloc.logicalBlockNum, 0, bloc.logicalBlockNum, count, bloc.logicalBlockNum, 0, bloc.logicalBlockNum, count,
sbi->s_partmaps[bloc.partitionReferenceNum]. partmap->s_partition_len);
s_partition_len);
goto error_return; goto error_return;
} }
@ -456,8 +460,8 @@ static void udf_table_free_blocks(struct super_block *sb,
if (udf_add_free_space(sbi, sbi->s_partition, count)) if (udf_add_free_space(sbi, sbi->s_partition, count))
mark_buffer_dirty(sbi->s_lvid_bh); mark_buffer_dirty(sbi->s_lvid_bh);
start = bloc.logicalBlockNum + offset; start = bloc->logicalBlockNum + offset;
end = bloc.logicalBlockNum + offset + count - 1; end = bloc->logicalBlockNum + offset + count - 1;
epos.offset = oepos.offset = sizeof(struct unallocSpaceEntry); epos.offset = oepos.offset = sizeof(struct unallocSpaceEntry);
elen = 0; elen = 0;
@ -483,7 +487,7 @@ static void udf_table_free_blocks(struct super_block *sb,
start += count; start += count;
count = 0; count = 0;
} }
udf_write_aext(table, &oepos, eloc, elen, 1); udf_write_aext(table, &oepos, &eloc, elen, 1);
} else if (eloc.logicalBlockNum == (end + 1)) { } else if (eloc.logicalBlockNum == (end + 1)) {
if ((0x3FFFFFFF - elen) < if ((0x3FFFFFFF - elen) <
(count << sb->s_blocksize_bits)) { (count << sb->s_blocksize_bits)) {
@ -502,7 +506,7 @@ static void udf_table_free_blocks(struct super_block *sb,
end -= count; end -= count;
count = 0; count = 0;
} }
udf_write_aext(table, &oepos, eloc, elen, 1); udf_write_aext(table, &oepos, &eloc, elen, 1);
} }
if (epos.bh != oepos.bh) { if (epos.bh != oepos.bh) {
@ -563,7 +567,7 @@ static void udf_table_free_blocks(struct super_block *sb,
elen -= sb->s_blocksize; elen -= sb->s_blocksize;
epos.bh = udf_tread(sb, epos.bh = udf_tread(sb,
udf_get_lb_pblock(sb, epos.block, 0)); udf_get_lb_pblock(sb, &epos.block, 0));
if (!epos.bh) { if (!epos.bh) {
brelse(oepos.bh); brelse(oepos.bh);
goto error_return; goto error_return;
@ -635,7 +639,7 @@ static void udf_table_free_blocks(struct super_block *sb,
/* It's possible that stealing the block emptied the extent */ /* It's possible that stealing the block emptied the extent */
if (elen) { if (elen) {
udf_write_aext(table, &epos, eloc, elen, 1); udf_write_aext(table, &epos, &eloc, elen, 1);
if (!epos.bh) { if (!epos.bh) {
iinfo->i_lenAlloc += adsize; iinfo->i_lenAlloc += adsize;
@ -707,7 +711,7 @@ static int udf_table_prealloc_blocks(struct super_block *sb,
alloc_count = block_count; alloc_count = block_count;
eloc.logicalBlockNum += alloc_count; eloc.logicalBlockNum += alloc_count;
elen -= (alloc_count << sb->s_blocksize_bits); elen -= (alloc_count << sb->s_blocksize_bits);
udf_write_aext(table, &epos, eloc, udf_write_aext(table, &epos, &eloc,
(etype << 30) | elen, 1); (etype << 30) | elen, 1);
} else } else
udf_delete_aext(table, epos, eloc, udf_delete_aext(table, epos, eloc,
@ -814,7 +818,7 @@ static int udf_table_new_block(struct super_block *sb,
} }
if (goal_elen) if (goal_elen)
udf_write_aext(table, &goal_epos, goal_eloc, goal_elen, 1); udf_write_aext(table, &goal_epos, &goal_eloc, goal_elen, 1);
else else
udf_delete_aext(table, goal_epos, goal_eloc, goal_elen); udf_delete_aext(table, goal_epos, goal_eloc, goal_elen);
brelse(goal_epos.bh); brelse(goal_epos.bh);
@ -828,12 +832,11 @@ static int udf_table_new_block(struct super_block *sb,
return newblock; return newblock;
} }
inline void udf_free_blocks(struct super_block *sb, void udf_free_blocks(struct super_block *sb, struct inode *inode,
struct inode *inode, struct kernel_lb_addr *bloc, uint32_t offset,
struct kernel_lb_addr bloc, uint32_t offset,
uint32_t count) uint32_t count)
{ {
uint16_t partition = bloc.partitionReferenceNum; uint16_t partition = bloc->partitionReferenceNum;
struct udf_part_map *map = &UDF_SB(sb)->s_partmaps[partition]; struct udf_part_map *map = &UDF_SB(sb)->s_partmaps[partition];
if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP) { if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP) {

6
fs/udf/dir.c
View File

@ -80,7 +80,7 @@ static int do_udf_readdir(struct inode *dir, struct file *filp,
ret = -ENOENT; ret = -ENOENT;
goto out; goto out;
} }
block = udf_get_lb_pblock(dir->i_sb, eloc, offset); block = udf_get_lb_pblock(dir->i_sb, &eloc, offset);
if ((++offset << dir->i_sb->s_blocksize_bits) < elen) { if ((++offset << dir->i_sb->s_blocksize_bits) < elen) {
if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_SHORT) if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_SHORT)
epos.offset -= sizeof(struct short_ad); epos.offset -= sizeof(struct short_ad);
@ -101,7 +101,7 @@ static int do_udf_readdir(struct inode *dir, struct file *filp,
if (i + offset > (elen >> dir->i_sb->s_blocksize_bits)) if (i + offset > (elen >> dir->i_sb->s_blocksize_bits))
i = (elen >> dir->i_sb->s_blocksize_bits) - offset; i = (elen >> dir->i_sb->s_blocksize_bits) - offset;
for (num = 0; i > 0; i--) { for (num = 0; i > 0; i--) {
block = udf_get_lb_pblock(dir->i_sb, eloc, offset + i); block = udf_get_lb_pblock(dir->i_sb, &eloc, offset + i);
tmp = udf_tgetblk(dir->i_sb, block); tmp = udf_tgetblk(dir->i_sb, block);
if (tmp && !buffer_uptodate(tmp) && !buffer_locked(tmp)) if (tmp && !buffer_uptodate(tmp) && !buffer_locked(tmp))
bha[num++] = tmp; bha[num++] = tmp;
@ -163,7 +163,7 @@ static int do_udf_readdir(struct inode *dir, struct file *filp,
} else { } else {
struct kernel_lb_addr tloc = lelb_to_cpu(cfi.icb.extLocation); struct kernel_lb_addr tloc = lelb_to_cpu(cfi.icb.extLocation);
iblock = udf_get_lb_pblock(dir->i_sb, tloc, 0); iblock = udf_get_lb_pblock(dir->i_sb, &tloc, 0);
flen = udf_get_filename(dir->i_sb, nameptr, fname, lfi); flen = udf_get_filename(dir->i_sb, nameptr, fname, lfi);
dt_type = DT_UNKNOWN; dt_type = DT_UNKNOWN;
} }

6
fs/udf/directory.c
View File

@ -111,7 +111,7 @@ struct fileIdentDesc *udf_fileident_read(struct inode *dir, loff_t *nf_pos,
(EXT_RECORDED_ALLOCATED >> 30)) (EXT_RECORDED_ALLOCATED >> 30))
return NULL; return NULL;
block = udf_get_lb_pblock(dir->i_sb, *eloc, *offset); block = udf_get_lb_pblock(dir->i_sb, eloc, *offset);
(*offset)++; (*offset)++;
@ -131,7 +131,7 @@ struct fileIdentDesc *udf_fileident_read(struct inode *dir, loff_t *nf_pos,
if (i + *offset > (*elen >> blocksize_bits)) if (i + *offset > (*elen >> blocksize_bits))
i = (*elen >> blocksize_bits)-*offset; i = (*elen >> blocksize_bits)-*offset;
for (num = 0; i > 0; i--) { for (num = 0; i > 0; i--) {
block = udf_get_lb_pblock(dir->i_sb, *eloc, block = udf_get_lb_pblock(dir->i_sb, eloc,
*offset + i); *offset + i);
tmp = udf_tgetblk(dir->i_sb, block); tmp = udf_tgetblk(dir->i_sb, block);
if (tmp && !buffer_uptodate(tmp) && if (tmp && !buffer_uptodate(tmp) &&
@ -169,7 +169,7 @@ struct fileIdentDesc *udf_fileident_read(struct inode *dir, loff_t *nf_pos,
(EXT_RECORDED_ALLOCATED >> 30)) (EXT_RECORDED_ALLOCATED >> 30))
return NULL; return NULL;
block = udf_get_lb_pblock(dir->i_sb, *eloc, *offset); block = udf_get_lb_pblock(dir->i_sb, eloc, *offset);
(*offset)++; (*offset)++;

4
fs/udf/ialloc.c
View File

@ -54,7 +54,7 @@ void udf_free_inode(struct inode *inode)
} }
mutex_unlock(&sbi->s_alloc_mutex); mutex_unlock(&sbi->s_alloc_mutex);
udf_free_blocks(sb, NULL, UDF_I(inode)->i_location, 0, 1); udf_free_blocks(sb, NULL, &UDF_I(inode)->i_location, 0, 1);
} }
struct inode *udf_new_inode(struct inode *dir, int mode, int *err) struct inode *udf_new_inode(struct inode *dir, int mode, int *err)
@ -138,7 +138,7 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err)
iinfo->i_location.logicalBlockNum = block; iinfo->i_location.logicalBlockNum = block;
iinfo->i_location.partitionReferenceNum = iinfo->i_location.partitionReferenceNum =
dinfo->i_location.partitionReferenceNum; dinfo->i_location.partitionReferenceNum;
inode->i_ino = udf_get_lb_pblock(sb, iinfo->i_location, 0); inode->i_ino = udf_get_lb_pblock(sb, &iinfo->i_location, 0);
inode->i_blocks = 0; inode->i_blocks = 0;
iinfo->i_lenEAttr = 0; iinfo->i_lenEAttr = 0;
iinfo->i_lenAlloc = 0; iinfo->i_lenAlloc = 0;

70
fs/udf/inode.c
View File

@ -281,7 +281,7 @@ struct buffer_head *udf_expand_dir_adinicb(struct inode *inode, int *block,
epos.bh = NULL; epos.bh = NULL;
epos.block = iinfo->i_location; epos.block = iinfo->i_location;
epos.offset = udf_file_entry_alloc_offset(inode); epos.offset = udf_file_entry_alloc_offset(inode);
udf_add_aext(inode, &epos, eloc, elen, 0); udf_add_aext(inode, &epos, &eloc, elen, 0);
/* UniqueID stuff */ /* UniqueID stuff */
brelse(epos.bh); brelse(epos.bh);
@ -411,11 +411,11 @@ int udf_extend_file(struct inode *inode, struct extent_position *last_pos,
} }
if (fake) { if (fake) {
udf_add_aext(inode, last_pos, last_ext->extLocation, udf_add_aext(inode, last_pos, &last_ext->extLocation,
last_ext->extLength, 1); last_ext->extLength, 1);
count++; count++;
} else } else
udf_write_aext(inode, last_pos, last_ext->extLocation, udf_write_aext(inode, last_pos, &last_ext->extLocation,
last_ext->extLength, 1); last_ext->extLength, 1);
/* Managed to do everything necessary? */ /* Managed to do everything necessary? */
@ -432,7 +432,7 @@ int udf_extend_file(struct inode *inode, struct extent_position *last_pos,
/* Create enough extents to cover the whole hole */ /* Create enough extents to cover the whole hole */
while (blocks > add) { while (blocks > add) {
blocks -= add; blocks -= add;
if (udf_add_aext(inode, last_pos, last_ext->extLocation, if (udf_add_aext(inode, last_pos, &last_ext->extLocation,
last_ext->extLength, 1) == -1) last_ext->extLength, 1) == -1)
return -1; return -1;
count++; count++;
@ -440,7 +440,7 @@ int udf_extend_file(struct inode *inode, struct extent_position *last_pos,
if (blocks) { if (blocks) {
last_ext->extLength = EXT_NOT_RECORDED_NOT_ALLOCATED | last_ext->extLength = EXT_NOT_RECORDED_NOT_ALLOCATED |
(blocks << sb->s_blocksize_bits); (blocks << sb->s_blocksize_bits);
if (udf_add_aext(inode, last_pos, last_ext->extLocation, if (udf_add_aext(inode, last_pos, &last_ext->extLocation,
last_ext->extLength, 1) == -1) last_ext->extLength, 1) == -1)
return -1; return -1;
count++; count++;
@ -449,7 +449,7 @@ int udf_extend_file(struct inode *inode, struct extent_position *last_pos,
out: out:
/* Do we have some preallocated blocks saved? */ /* Do we have some preallocated blocks saved? */
if (prealloc_len) { if (prealloc_len) {
if (udf_add_aext(inode, last_pos, prealloc_loc, if (udf_add_aext(inode, last_pos, &prealloc_loc,
prealloc_len, 1) == -1) prealloc_len, 1) == -1)
return -1; return -1;
last_ext->extLocation = prealloc_loc; last_ext->extLocation = prealloc_loc;
@ -550,12 +550,12 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block,
elen = EXT_RECORDED_ALLOCATED | elen = EXT_RECORDED_ALLOCATED |
((elen + inode->i_sb->s_blocksize - 1) & ((elen + inode->i_sb->s_blocksize - 1) &
~(inode->i_sb->s_blocksize - 1)); ~(inode->i_sb->s_blocksize - 1));
etype = udf_write_aext(inode, &cur_epos, eloc, elen, 1); etype = udf_write_aext(inode, &cur_epos, &eloc, elen, 1);
} }
brelse(prev_epos.bh); brelse(prev_epos.bh);
brelse(cur_epos.bh); brelse(cur_epos.bh);
brelse(next_epos.bh); brelse(next_epos.bh);
newblock = udf_get_lb_pblock(inode->i_sb, eloc, offset); newblock = udf_get_lb_pblock(inode->i_sb, &eloc, offset);
*phys = newblock; *phys = newblock;
return NULL; return NULL;
} }
@ -726,7 +726,7 @@ static void udf_split_extents(struct inode *inode, int *c, int offset,
if (offset) { if (offset) {
if (etype == (EXT_NOT_RECORDED_ALLOCATED >> 30)) { if (etype == (EXT_NOT_RECORDED_ALLOCATED >> 30)) {
udf_free_blocks(inode->i_sb, inode, udf_free_blocks(inode->i_sb, inode,
laarr[curr].extLocation, &laarr[curr].extLocation,
0, offset); 0, offset);
laarr[curr].extLength = laarr[curr].extLength =
EXT_NOT_RECORDED_NOT_ALLOCATED | EXT_NOT_RECORDED_NOT_ALLOCATED |
@ -911,7 +911,7 @@ static void udf_merge_extents(struct inode *inode,
(EXT_NOT_RECORDED_ALLOCATED >> 30)) && (EXT_NOT_RECORDED_ALLOCATED >> 30)) &&
((lip1->extLength >> 30) == ((lip1->extLength >> 30) ==
(EXT_NOT_RECORDED_NOT_ALLOCATED >> 30))) { (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30))) {
udf_free_blocks(inode->i_sb, inode, li->extLocation, 0, udf_free_blocks(inode->i_sb, inode, &li->extLocation, 0,
((li->extLength & ((li->extLength &
UDF_EXTENT_LENGTH_MASK) + UDF_EXTENT_LENGTH_MASK) +
blocksize - 1) >> blocksize_bits); blocksize - 1) >> blocksize_bits);
@ -945,7 +945,7 @@ static void udf_merge_extents(struct inode *inode,
} else if ((li->extLength >> 30) == } else if ((li->extLength >> 30) ==
(EXT_NOT_RECORDED_ALLOCATED >> 30)) { (EXT_NOT_RECORDED_ALLOCATED >> 30)) {
udf_free_blocks(inode->i_sb, inode, udf_free_blocks(inode->i_sb, inode,
li->extLocation, 0, &li->extLocation, 0,
((li->extLength & ((li->extLength &
UDF_EXTENT_LENGTH_MASK) + UDF_EXTENT_LENGTH_MASK) +
blocksize - 1) >> blocksize_bits); blocksize - 1) >> blocksize_bits);
@ -983,7 +983,7 @@ static void udf_update_extents(struct inode *inode,
for (i = start; i < endnum; i++) { for (i = start; i < endnum; i++) {
udf_next_aext(inode, epos, &tmploc, &tmplen, 0); udf_next_aext(inode, epos, &tmploc, &tmplen, 0);
udf_write_aext(inode, epos, laarr[i].extLocation, udf_write_aext(inode, epos, &laarr[i].extLocation,
laarr[i].extLength, 1); laarr[i].extLength, 1);
} }
} }
@ -1076,7 +1076,7 @@ static void __udf_read_inode(struct inode *inode)
* i_nlink = 1 * i_nlink = 1
* i_op = NULL; * i_op = NULL;
*/ */
bh = udf_read_ptagged(inode->i_sb, iinfo->i_location, 0, &ident); bh = udf_read_ptagged(inode->i_sb, &iinfo->i_location, 0, &ident);
if (!bh) { if (!bh) {
printk(KERN_ERR "udf: udf_read_inode(ino %ld) failed !bh\n", printk(KERN_ERR "udf: udf_read_inode(ino %ld) failed !bh\n",
inode->i_ino); inode->i_ino);
@ -1098,7 +1098,7 @@ static void __udf_read_inode(struct inode *inode)
if (fe->icbTag.strategyType == cpu_to_le16(4096)) { if (fe->icbTag.strategyType == cpu_to_le16(4096)) {
struct buffer_head *ibh; struct buffer_head *ibh;
ibh = udf_read_ptagged(inode->i_sb, iinfo->i_location, 1, ibh = udf_read_ptagged(inode->i_sb, &iinfo->i_location, 1,
&ident); &ident);
if (ident == TAG_IDENT_IE && ibh) { if (ident == TAG_IDENT_IE && ibh) {
struct buffer_head *nbh = NULL; struct buffer_head *nbh = NULL;
@ -1109,7 +1109,7 @@ static void __udf_read_inode(struct inode *inode)
loc = lelb_to_cpu(ie->indirectICB.extLocation); loc = lelb_to_cpu(ie->indirectICB.extLocation);
if (ie->indirectICB.extLength && if (ie->indirectICB.extLength &&
(nbh = udf_read_ptagged(inode->i_sb, loc, 0, (nbh = udf_read_ptagged(inode->i_sb, &loc, 0,
&ident))) { &ident))) {
if (ident == TAG_IDENT_FE || if (ident == TAG_IDENT_FE ||
ident == TAG_IDENT_EFE) { ident == TAG_IDENT_EFE) {
@ -1396,7 +1396,7 @@ static int udf_update_inode(struct inode *inode, int do_sync)
bh = udf_tread(inode->i_sb, bh = udf_tread(inode->i_sb,
udf_get_lb_pblock(inode->i_sb, udf_get_lb_pblock(inode->i_sb,
iinfo->i_location, 0)); &iinfo->i_location, 0));
if (!bh) { if (!bh) {
udf_debug("bread failure\n"); udf_debug("bread failure\n");
return -EIO; return -EIO;
@ -1606,7 +1606,7 @@ static int udf_update_inode(struct inode *inode, int do_sync)
return err; return err;
} }
struct inode *udf_iget(struct super_block *sb, struct kernel_lb_addr ino) struct inode *udf_iget(struct super_block *sb, struct kernel_lb_addr *ino)
{ {
unsigned long block = udf_get_lb_pblock(sb, ino, 0); unsigned long block = udf_get_lb_pblock(sb, ino, 0);
struct inode *inode = iget_locked(sb, block); struct inode *inode = iget_locked(sb, block);
@ -1615,7 +1615,7 @@ struct inode *udf_iget(struct super_block *sb, struct kernel_lb_addr ino)
return NULL; return NULL;
if (inode->i_state & I_NEW) { if (inode->i_state & I_NEW) {
memcpy(&UDF_I(inode)->i_location, &ino, sizeof(struct kernel_lb_addr)); memcpy(&UDF_I(inode)->i_location, ino, sizeof(struct kernel_lb_addr));
__udf_read_inode(inode); __udf_read_inode(inode);
unlock_new_inode(inode); unlock_new_inode(inode);
} }
@ -1623,10 +1623,10 @@ struct inode *udf_iget(struct super_block *sb, struct kernel_lb_addr ino)
if (is_bad_inode(inode)) if (is_bad_inode(inode))
goto out_iput; goto out_iput;
if (ino.logicalBlockNum >= UDF_SB(sb)-> if (ino->logicalBlockNum >= UDF_SB(sb)->
s_partmaps[ino.partitionReferenceNum].s_partition_len) { s_partmaps[ino->partitionReferenceNum].s_partition_len) {
udf_debug("block=%d, partition=%d out of range\n", udf_debug("block=%d, partition=%d out of range\n",
ino.logicalBlockNum, ino.partitionReferenceNum); ino->logicalBlockNum, ino->partitionReferenceNum);
make_bad_inode(inode); make_bad_inode(inode);
goto out_iput; goto out_iput;
} }
@ -1639,7 +1639,7 @@ struct inode *udf_iget(struct super_block *sb, struct kernel_lb_addr ino)
} }
int8_t udf_add_aext(struct inode *inode, struct extent_position *epos, int8_t udf_add_aext(struct inode *inode, struct extent_position *epos,
struct kernel_lb_addr eloc, uint32_t elen, int inc) struct kernel_lb_addr *eloc, uint32_t elen, int inc)
{ {
int adsize; int adsize;
struct short_ad *sad = NULL; struct short_ad *sad = NULL;
@ -1675,7 +1675,7 @@ int8_t udf_add_aext(struct inode *inode, struct extent_position *epos,
if (!epos->block.logicalBlockNum) if (!epos->block.logicalBlockNum)
return -1; return -1;
nbh = udf_tgetblk(inode->i_sb, udf_get_lb_pblock(inode->i_sb, nbh = udf_tgetblk(inode->i_sb, udf_get_lb_pblock(inode->i_sb,
epos->block, &epos->block,
0)); 0));
if (!nbh) if (!nbh)
return -1; return -1;
@ -1769,7 +1769,7 @@ int8_t udf_add_aext(struct inode *inode, struct extent_position *epos,
} }
int8_t udf_write_aext(struct inode *inode, struct extent_position *epos, int8_t udf_write_aext(struct inode *inode, struct extent_position *epos,
struct kernel_lb_addr eloc, uint32_t elen, int inc) struct kernel_lb_addr *eloc, uint32_t elen, int inc)
{ {
int adsize; int adsize;
uint8_t *ptr; uint8_t *ptr;
@ -1788,13 +1788,13 @@ int8_t udf_write_aext(struct inode *inode, struct extent_position *epos,
case ICBTAG_FLAG_AD_SHORT: case ICBTAG_FLAG_AD_SHORT:
sad = (struct short_ad *)ptr; sad = (struct short_ad *)ptr;
sad->extLength = cpu_to_le32(elen); sad->extLength = cpu_to_le32(elen);
sad->extPosition = cpu_to_le32(eloc.logicalBlockNum); sad->extPosition = cpu_to_le32(eloc->logicalBlockNum);
adsize = sizeof(struct short_ad); adsize = sizeof(struct short_ad);
break; break;
case ICBTAG_FLAG_AD_LONG: case ICBTAG_FLAG_AD_LONG:
lad = (struct long_ad *)ptr; lad = (struct long_ad *)ptr;
lad->extLength = cpu_to_le32(elen); lad->extLength = cpu_to_le32(elen);
lad->extLocation = cpu_to_lelb(eloc); lad->extLocation = cpu_to_lelb(*eloc);
memset(lad->impUse, 0x00, sizeof(lad->impUse)); memset(lad->impUse, 0x00, sizeof(lad->impUse));
adsize = sizeof(struct long_ad); adsize = sizeof(struct long_ad);
break; break;
@ -1833,7 +1833,7 @@ int8_t udf_next_aext(struct inode *inode, struct extent_position *epos,
epos->block = *eloc; epos->block = *eloc;
epos->offset = sizeof(struct allocExtDesc); epos->offset = sizeof(struct allocExtDesc);
brelse(epos->bh); brelse(epos->bh);
block = udf_get_lb_pblock(inode->i_sb, epos->block, 0); block = udf_get_lb_pblock(inode->i_sb, &epos->block, 0);
epos->bh = udf_tread(inode->i_sb, block); epos->bh = udf_tread(inode->i_sb, block);
if (!epos->bh) { if (!epos->bh) {
udf_debug("reading block %d failed!\n", block); udf_debug("reading block %d failed!\n", block);
@ -1910,11 +1910,11 @@ static int8_t udf_insert_aext(struct inode *inode, struct extent_position epos,
get_bh(epos.bh); get_bh(epos.bh);
while ((etype = udf_next_aext(inode, &epos, &oeloc, &oelen, 0)) != -1) { while ((etype = udf_next_aext(inode, &epos, &oeloc, &oelen, 0)) != -1) {
udf_write_aext(inode, &epos, neloc, nelen, 1); udf_write_aext(inode, &epos, &neloc, nelen, 1);
neloc = oeloc; neloc = oeloc;
nelen = (etype << 30) | oelen; nelen = (etype << 30) | oelen;
} }
udf_add_aext(inode, &epos, neloc, nelen, 1); udf_add_aext(inode, &epos, &neloc, nelen, 1);
brelse(epos.bh); brelse(epos.bh);
return (nelen >> 30); return (nelen >> 30);
@ -1947,7 +1947,7 @@ int8_t udf_delete_aext(struct inode *inode, struct extent_position epos,
return -1; return -1;
while ((etype = udf_next_aext(inode, &epos, &eloc, &elen, 1)) != -1) { while ((etype = udf_next_aext(inode, &epos, &eloc, &elen, 1)) != -1) {
udf_write_aext(inode, &oepos, eloc, (etype << 30) | elen, 1); udf_write_aext(inode, &oepos, &eloc, (etype << 30) | elen, 1);
if (oepos.bh != epos.bh) { if (oepos.bh != epos.bh) {
oepos.block = epos.block; oepos.block = epos.block;
brelse(oepos.bh); brelse(oepos.bh);
@ -1960,9 +1960,9 @@ int8_t udf_delete_aext(struct inode *inode, struct extent_position epos,
elen = 0; elen = 0;
if (epos.bh != oepos.bh) { if (epos.bh != oepos.bh) {
udf_free_blocks(inode->i_sb, inode, epos.block, 0, 1); udf_free_blocks(inode->i_sb, inode, &epos.block, 0, 1);
udf_write_aext(inode, &oepos, eloc, elen, 1); udf_write_aext(inode, &oepos, &eloc, elen, 1);
udf_write_aext(inode, &oepos, eloc, elen, 1); udf_write_aext(inode, &oepos, &eloc, elen, 1);
if (!oepos.bh) { if (!oepos.bh) {
iinfo->i_lenAlloc -= (adsize * 2); iinfo->i_lenAlloc -= (adsize * 2);
mark_inode_dirty(inode); mark_inode_dirty(inode);
@ -1979,7 +1979,7 @@ int8_t udf_delete_aext(struct inode *inode, struct extent_position epos,
mark_buffer_dirty_inode(oepos.bh, inode); mark_buffer_dirty_inode(oepos.bh, inode);
} }
} else { } else {
udf_write_aext(inode, &oepos, eloc, elen, 1); udf_write_aext(inode, &oepos, &eloc, elen, 1);
if (!oepos.bh) { if (!oepos.bh) {
iinfo->i_lenAlloc -= adsize; iinfo->i_lenAlloc -= adsize;
mark_inode_dirty(inode); mark_inode_dirty(inode);
@ -2046,7 +2046,7 @@ long udf_block_map(struct inode *inode, sector_t block)
if (inode_bmap(inode, block, &epos, &eloc, &elen, &offset) == if (inode_bmap(inode, block, &epos, &eloc, &elen, &offset) ==
(EXT_RECORDED_ALLOCATED >> 30)) (EXT_RECORDED_ALLOCATED >> 30))
ret = udf_get_lb_pblock(inode->i_sb, eloc, offset); ret = udf_get_lb_pblock(inode->i_sb, &eloc, offset);
else else
ret = 0; ret = 0;

5
fs/udf/misc.c
View File

@ -255,11 +255,12 @@ error_out:
return NULL; return NULL;
} }
struct buffer_head *udf_read_ptagged(struct super_block *sb, struct kernel_lb_addr loc, struct buffer_head *udf_read_ptagged(struct super_block *sb,
struct kernel_lb_addr *loc,
uint32_t offset, uint16_t *ident) uint32_t offset, uint16_t *ident)
{ {
return udf_read_tagged(sb, udf_get_lb_pblock(sb, loc, offset), return udf_read_tagged(sb, udf_get_lb_pblock(sb, loc, offset),
loc.logicalBlockNum + offset, ident); loc->logicalBlockNum + offset, ident);
} }
void udf_update_tag(char *data, int length) void udf_update_tag(char *data, int length)

32
fs/udf/namei.c
View File

@ -171,7 +171,7 @@ static struct fileIdentDesc *udf_find_entry(struct inode *dir,
if (inode_bmap(dir, f_pos >> dir->i_sb->s_blocksize_bits, &epos, if (inode_bmap(dir, f_pos >> dir->i_sb->s_blocksize_bits, &epos,
&eloc, &elen, &offset) != (EXT_RECORDED_ALLOCATED >> 30)) &eloc, &elen, &offset) != (EXT_RECORDED_ALLOCATED >> 30))
goto out_err; goto out_err;
block = udf_get_lb_pblock(dir->i_sb, eloc, offset); block = udf_get_lb_pblock(dir->i_sb, &eloc, offset);
if ((++offset << dir->i_sb->s_blocksize_bits) < elen) { if ((++offset << dir->i_sb->s_blocksize_bits) < elen) {
if (dinfo->i_alloc_type == ICBTAG_FLAG_AD_SHORT) if (dinfo->i_alloc_type == ICBTAG_FLAG_AD_SHORT)
epos.offset -= sizeof(struct short_ad); epos.offset -= sizeof(struct short_ad);
@ -283,11 +283,14 @@ static struct dentry *udf_lookup(struct inode *dir, struct dentry *dentry,
#endif /* UDF_RECOVERY */ #endif /* UDF_RECOVERY */
if (udf_find_entry(dir, &dentry->d_name, &fibh, &cfi)) { if (udf_find_entry(dir, &dentry->d_name, &fibh, &cfi)) {
struct kernel_lb_addr loc;
if (fibh.sbh != fibh.ebh) if (fibh.sbh != fibh.ebh)
brelse(fibh.ebh); brelse(fibh.ebh);
brelse(fibh.sbh); brelse(fibh.sbh);
inode = udf_iget(dir->i_sb, lelb_to_cpu(cfi.icb.extLocation)); loc = lelb_to_cpu(cfi.icb.extLocation);
inode = udf_iget(dir->i_sb, &loc);
if (!inode) { if (!inode) {
unlock_kernel(); unlock_kernel();
return ERR_PTR(-EACCES); return ERR_PTR(-EACCES);
@ -351,11 +354,11 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir,
if (inode_bmap(dir, f_pos >> dir->i_sb->s_blocksize_bits, &epos, if (inode_bmap(dir, f_pos >> dir->i_sb->s_blocksize_bits, &epos,
&eloc, &elen, &offset) != (EXT_RECORDED_ALLOCATED >> 30)) { &eloc, &elen, &offset) != (EXT_RECORDED_ALLOCATED >> 30)) {
block = udf_get_lb_pblock(dir->i_sb, block = udf_get_lb_pblock(dir->i_sb,
dinfo->i_location, 0); &dinfo->i_location, 0);
fibh->soffset = fibh->eoffset = sb->s_blocksize; fibh->soffset = fibh->eoffset = sb->s_blocksize;
goto add; goto add;
} }
block = udf_get_lb_pblock(dir->i_sb, eloc, offset); block = udf_get_lb_pblock(dir->i_sb, &eloc, offset);
if ((++offset << dir->i_sb->s_blocksize_bits) < elen) { if ((++offset << dir->i_sb->s_blocksize_bits) < elen) {
if (dinfo->i_alloc_type == ICBTAG_FLAG_AD_SHORT) if (dinfo->i_alloc_type == ICBTAG_FLAG_AD_SHORT)
epos.offset -= sizeof(struct short_ad); epos.offset -= sizeof(struct short_ad);
@ -412,7 +415,7 @@ add:
epos.offset -= sizeof(struct short_ad); epos.offset -= sizeof(struct short_ad);
else if (dinfo->i_alloc_type == ICBTAG_FLAG_AD_LONG) else if (dinfo->i_alloc_type == ICBTAG_FLAG_AD_LONG)
epos.offset -= sizeof(struct long_ad); epos.offset -= sizeof(struct long_ad);
udf_write_aext(dir, &epos, eloc, elen, 1); udf_write_aext(dir, &epos, &eloc, elen, 1);
} }
f_pos += nfidlen; f_pos += nfidlen;
@ -724,7 +727,7 @@ static int empty_dir(struct inode *dir)
else if (inode_bmap(dir, f_pos >> dir->i_sb->s_blocksize_bits, else if (inode_bmap(dir, f_pos >> dir->i_sb->s_blocksize_bits,
&epos, &eloc, &elen, &offset) == &epos, &eloc, &elen, &offset) ==
(EXT_RECORDED_ALLOCATED >> 30)) { (EXT_RECORDED_ALLOCATED >> 30)) {
block = udf_get_lb_pblock(dir->i_sb, eloc, offset); block = udf_get_lb_pblock(dir->i_sb, &eloc, offset);
if ((++offset << dir->i_sb->s_blocksize_bits) < elen) { if ((++offset << dir->i_sb->s_blocksize_bits) < elen) {
if (dinfo->i_alloc_type == ICBTAG_FLAG_AD_SHORT) if (dinfo->i_alloc_type == ICBTAG_FLAG_AD_SHORT)
epos.offset -= sizeof(struct short_ad); epos.offset -= sizeof(struct short_ad);
@ -788,7 +791,7 @@ static int udf_rmdir(struct inode *dir, struct dentry *dentry)
retval = -EIO; retval = -EIO;
tloc = lelb_to_cpu(cfi.icb.extLocation); tloc = lelb_to_cpu(cfi.icb.extLocation);
if (udf_get_lb_pblock(dir->i_sb, tloc, 0) != inode->i_ino) if (udf_get_lb_pblock(dir->i_sb, &tloc, 0) != inode->i_ino)
goto end_rmdir; goto end_rmdir;
retval = -ENOTEMPTY; retval = -ENOTEMPTY;
if (!empty_dir(inode)) if (!empty_dir(inode))
@ -834,7 +837,7 @@ static int udf_unlink(struct inode *dir, struct dentry *dentry)
retval = -EIO; retval = -EIO;
tloc = lelb_to_cpu(cfi.icb.extLocation); tloc = lelb_to_cpu(cfi.icb.extLocation);
if (udf_get_lb_pblock(dir->i_sb, tloc, 0) != inode->i_ino) if (udf_get_lb_pblock(dir->i_sb, &tloc, 0) != inode->i_ino)
goto end_unlink; goto end_unlink;
if (!inode->i_nlink) { if (!inode->i_nlink) {
@ -913,7 +916,7 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry,
iinfo->i_location.partitionReferenceNum; iinfo->i_location.partitionReferenceNum;
bsize = inode->i_sb->s_blocksize; bsize = inode->i_sb->s_blocksize;
iinfo->i_lenExtents = bsize; iinfo->i_lenExtents = bsize;
udf_add_aext(inode, &epos, eloc, bsize, 0); udf_add_aext(inode, &epos, &eloc, bsize, 0);
brelse(epos.bh); brelse(epos.bh);
block = udf_get_pblock(inode->i_sb, block, block = udf_get_pblock(inode->i_sb, block,
@ -1119,7 +1122,7 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry,
brelse(ofibh.sbh); brelse(ofibh.sbh);
} }
tloc = lelb_to_cpu(ocfi.icb.extLocation); tloc = lelb_to_cpu(ocfi.icb.extLocation);
if (!ofi || udf_get_lb_pblock(old_dir->i_sb, tloc, 0) if (!ofi || udf_get_lb_pblock(old_dir->i_sb, &tloc, 0)
!= old_inode->i_ino) != old_inode->i_ino)
goto end_rename; goto end_rename;
@ -1158,7 +1161,7 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry,
if (!dir_fi) if (!dir_fi)
goto end_rename; goto end_rename;
tloc = lelb_to_cpu(dir_fi->icb.extLocation); tloc = lelb_to_cpu(dir_fi->icb.extLocation);
if (udf_get_lb_pblock(old_inode->i_sb, tloc, 0) != if (udf_get_lb_pblock(old_inode->i_sb, &tloc, 0) !=
old_dir->i_ino) old_dir->i_ino)
goto end_rename; goto end_rename;
@ -1242,6 +1245,7 @@ end_rename:
static struct dentry *udf_get_parent(struct dentry *child) static struct dentry *udf_get_parent(struct dentry *child)
{ {
struct kernel_lb_addr tloc;
struct inode *inode = NULL; struct inode *inode = NULL;
struct qstr dotdot = {.name = "..", .len = 2}; struct qstr dotdot = {.name = "..", .len = 2};
struct fileIdentDesc cfi; struct fileIdentDesc cfi;
@ -1255,8 +1259,8 @@ static struct dentry *udf_get_parent(struct dentry *child)
brelse(fibh.ebh); brelse(fibh.ebh);
brelse(fibh.sbh); brelse(fibh.sbh);
inode = udf_iget(child->d_inode->i_sb, tloc = lelb_to_cpu(cfi.icb.extLocation);
lelb_to_cpu(cfi.icb.extLocation)); inode = udf_iget(child->d_inode->i_sb, &tloc);
if (!inode) if (!inode)
goto out_unlock; goto out_unlock;
unlock_kernel(); unlock_kernel();
@ -1279,7 +1283,7 @@ static struct dentry *udf_nfs_get_inode(struct super_block *sb, u32 block,
loc.logicalBlockNum = block; loc.logicalBlockNum = block;
loc.partitionReferenceNum = partref; loc.partitionReferenceNum = partref;
inode = udf_iget(sb, loc); inode = udf_iget(sb, &loc);
if (inode == NULL) if (inode == NULL)
return ERR_PTR(-ENOMEM); return ERR_PTR(-ENOMEM);

22
fs/udf/super.c
View File

@ -820,7 +820,7 @@ static int udf_find_fileset(struct super_block *sb,
if (fileset->logicalBlockNum != 0xFFFFFFFF || if (fileset->logicalBlockNum != 0xFFFFFFFF ||
fileset->partitionReferenceNum != 0xFFFF) { fileset->partitionReferenceNum != 0xFFFF) {
bh = udf_read_ptagged(sb, *fileset, 0, &ident); bh = udf_read_ptagged(sb, fileset, 0, &ident);
if (!bh) { if (!bh) {
return 1; return 1;
@ -850,7 +850,7 @@ static int udf_find_fileset(struct super_block *sb,
newfileset.logicalBlockNum = 0; newfileset.logicalBlockNum = 0;
do { do {
bh = udf_read_ptagged(sb, newfileset, 0, bh = udf_read_ptagged(sb, &newfileset, 0,
&ident); &ident);
if (!bh) { if (!bh) {
newfileset.logicalBlockNum++; newfileset.logicalBlockNum++;
@ -959,7 +959,7 @@ static int udf_load_metadata_files(struct super_block *sb, int partition)
udf_debug("Metadata file location: block = %d part = %d\n", udf_debug("Metadata file location: block = %d part = %d\n",
addr.logicalBlockNum, addr.partitionReferenceNum); addr.logicalBlockNum, addr.partitionReferenceNum);
mdata->s_metadata_fe = udf_iget(sb, addr); mdata->s_metadata_fe = udf_iget(sb, &addr);
if (mdata->s_metadata_fe == NULL) { if (mdata->s_metadata_fe == NULL) {
udf_warning(sb, __func__, "metadata inode efe not found, " udf_warning(sb, __func__, "metadata inode efe not found, "
@ -981,7 +981,7 @@ static int udf_load_metadata_files(struct super_block *sb, int partition)
udf_debug("Mirror metadata file location: block = %d part = %d\n", udf_debug("Mirror metadata file location: block = %d part = %d\n",
addr.logicalBlockNum, addr.partitionReferenceNum); addr.logicalBlockNum, addr.partitionReferenceNum);
mdata->s_mirror_fe = udf_iget(sb, addr); mdata->s_mirror_fe = udf_iget(sb, &addr);
if (mdata->s_mirror_fe == NULL) { if (mdata->s_mirror_fe == NULL) {
if (fe_error) { if (fe_error) {
@ -1013,7 +1013,7 @@ static int udf_load_metadata_files(struct super_block *sb, int partition)
udf_debug("Bitmap file location: block = %d part = %d\n", udf_debug("Bitmap file location: block = %d part = %d\n",
addr.logicalBlockNum, addr.partitionReferenceNum); addr.logicalBlockNum, addr.partitionReferenceNum);
mdata->s_bitmap_fe = udf_iget(sb, addr); mdata->s_bitmap_fe = udf_iget(sb, &addr);
if (mdata->s_bitmap_fe == NULL) { if (mdata->s_bitmap_fe == NULL) {
if (sb->s_flags & MS_RDONLY) if (sb->s_flags & MS_RDONLY)
@ -1125,7 +1125,7 @@ static int udf_fill_partdesc_info(struct super_block *sb,
.partitionReferenceNum = p_index, .partitionReferenceNum = p_index,
}; };
map->s_uspace.s_table = udf_iget(sb, loc); map->s_uspace.s_table = udf_iget(sb, &loc);
if (!map->s_uspace.s_table) { if (!map->s_uspace.s_table) {
udf_debug("cannot load unallocSpaceTable (part %d)\n", udf_debug("cannot load unallocSpaceTable (part %d)\n",
p_index); p_index);
@ -1160,7 +1160,7 @@ static int udf_fill_partdesc_info(struct super_block *sb,
.partitionReferenceNum = p_index, .partitionReferenceNum = p_index,
}; };
map->s_fspace.s_table = udf_iget(sb, loc); map->s_fspace.s_table = udf_iget(sb, &loc);
if (!map->s_fspace.s_table) { if (!map->s_fspace.s_table) {
udf_debug("cannot load freedSpaceTable (part %d)\n", udf_debug("cannot load freedSpaceTable (part %d)\n",
p_index); p_index);
@ -1201,7 +1201,7 @@ static int udf_load_vat(struct super_block *sb, int p_index, int type1_index)
/* VAT file entry is in the last recorded block */ /* VAT file entry is in the last recorded block */
ino.partitionReferenceNum = type1_index; ino.partitionReferenceNum = type1_index;
ino.logicalBlockNum = sbi->s_last_block - map->s_partition_root; ino.logicalBlockNum = sbi->s_last_block - map->s_partition_root;
sbi->s_vat_inode = udf_iget(sb, ino); sbi->s_vat_inode = udf_iget(sb, &ino);
if (!sbi->s_vat_inode) if (!sbi->s_vat_inode)
return 1; return 1;
@ -1991,7 +1991,7 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
/* Assign the root inode */ /* Assign the root inode */
/* assign inodes by physical block number */ /* assign inodes by physical block number */
/* perhaps it's not extensible enough, but for now ... */ /* perhaps it's not extensible enough, but for now ... */
inode = udf_iget(sb, rootdir); inode = udf_iget(sb, &rootdir);
if (!inode) { if (!inode) {
printk(KERN_ERR "UDF-fs: Error in udf_iget, block=%d, " printk(KERN_ERR "UDF-fs: Error in udf_iget, block=%d, "
"partition=%d\n", "partition=%d\n",
@ -2124,7 +2124,7 @@ static unsigned int udf_count_free_bitmap(struct super_block *sb,
loc.logicalBlockNum = bitmap->s_extPosition; loc.logicalBlockNum = bitmap->s_extPosition;
loc.partitionReferenceNum = UDF_SB(sb)->s_partition; loc.partitionReferenceNum = UDF_SB(sb)->s_partition;
bh = udf_read_ptagged(sb, loc, 0, &ident); bh = udf_read_ptagged(sb, &loc, 0, &ident);
if (!bh) { if (!bh) {
printk(KERN_ERR "udf: udf_count_free failed\n"); printk(KERN_ERR "udf: udf_count_free failed\n");
@ -2147,7 +2147,7 @@ static unsigned int udf_count_free_bitmap(struct super_block *sb,
bytes -= cur_bytes; bytes -= cur_bytes;
if (bytes) { if (bytes) {
brelse(bh); brelse(bh);
newblock = udf_get_lb_pblock(sb, loc, ++block); newblock = udf_get_lb_pblock(sb, &loc, ++block);
bh = udf_tread(sb, newblock); bh = udf_tread(sb, newblock);
if (!bh) { if (!bh) {
udf_debug("read failed\n"); udf_debug("read failed\n");

22
fs/udf/truncate.c
View File

@ -28,7 +28,7 @@
#include "udf_sb.h" #include "udf_sb.h"
static void extent_trunc(struct inode *inode, struct extent_position *epos, static void extent_trunc(struct inode *inode, struct extent_position *epos,
struct kernel_lb_addr eloc, int8_t etype, uint32_t elen, struct kernel_lb_addr *eloc, int8_t etype, uint32_t elen,
uint32_t nelen) uint32_t nelen)
{ {
struct kernel_lb_addr neloc = {}; struct kernel_lb_addr neloc = {};
@ -43,12 +43,12 @@ static void extent_trunc(struct inode *inode, struct extent_position *epos,
last_block); last_block);
etype = (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30); etype = (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30);
} else } else
neloc = eloc; neloc = *eloc;
nelen = (etype << 30) | nelen; nelen = (etype << 30) | nelen;
} }
if (elen != nelen) { if (elen != nelen) {
udf_write_aext(inode, epos, neloc, nelen, 0); udf_write_aext(inode, epos, &neloc, nelen, 0);
if (last_block - first_block > 0) { if (last_block - first_block > 0) {
if (etype == (EXT_RECORDED_ALLOCATED >> 30)) if (etype == (EXT_RECORDED_ALLOCATED >> 30))
mark_inode_dirty(inode); mark_inode_dirty(inode);
@ -106,7 +106,7 @@ void udf_truncate_tail_extent(struct inode *inode)
(unsigned)elen); (unsigned)elen);
nelen = elen - (lbcount - inode->i_size); nelen = elen - (lbcount - inode->i_size);
epos.offset -= adsize; epos.offset -= adsize;
extent_trunc(inode, &epos, eloc, etype, elen, nelen); extent_trunc(inode, &epos, &eloc, etype, elen, nelen);
epos.offset += adsize; epos.offset += adsize;
if (udf_next_aext(inode, &epos, &eloc, &elen, 1) != -1) if (udf_next_aext(inode, &epos, &eloc, &elen, 1) != -1)
printk(KERN_ERR "udf_truncate_tail_extent(): " printk(KERN_ERR "udf_truncate_tail_extent(): "
@ -152,7 +152,7 @@ void udf_discard_prealloc(struct inode *inode)
if (etype == (EXT_NOT_RECORDED_ALLOCATED >> 30)) { if (etype == (EXT_NOT_RECORDED_ALLOCATED >> 30)) {
epos.offset -= adsize; epos.offset -= adsize;
lbcount -= elen; lbcount -= elen;
extent_trunc(inode, &epos, eloc, etype, elen, 0); extent_trunc(inode, &epos, &eloc, etype, elen, 0);
if (!epos.bh) { if (!epos.bh) {
iinfo->i_lenAlloc = iinfo->i_lenAlloc =
epos.offset - epos.offset -
@ -221,7 +221,7 @@ void udf_truncate_extents(struct inode *inode)
(inode->i_size & (sb->s_blocksize - 1)); (inode->i_size & (sb->s_blocksize - 1));
if (etype != -1) { if (etype != -1) {
epos.offset -= adsize; epos.offset -= adsize;
extent_trunc(inode, &epos, eloc, etype, elen, byte_offset); extent_trunc(inode, &epos, &eloc, etype, elen, byte_offset);
epos.offset += adsize; epos.offset += adsize;
if (byte_offset) if (byte_offset)
lenalloc = epos.offset; lenalloc = epos.offset;
@ -236,12 +236,12 @@ void udf_truncate_extents(struct inode *inode)
while ((etype = udf_current_aext(inode, &epos, &eloc, while ((etype = udf_current_aext(inode, &epos, &eloc,
&elen, 0)) != -1) { &elen, 0)) != -1) {
if (etype == (EXT_NEXT_EXTENT_ALLOCDECS >> 30)) { if (etype == (EXT_NEXT_EXTENT_ALLOCDECS >> 30)) {
udf_write_aext(inode, &epos, neloc, nelen, 0); udf_write_aext(inode, &epos, &neloc, nelen, 0);
if (indirect_ext_len) { if (indirect_ext_len) {
/* We managed to free all extents in the /* We managed to free all extents in the
* indirect extent - free it too */ * indirect extent - free it too */
BUG_ON(!epos.bh); BUG_ON(!epos.bh);
udf_free_blocks(sb, inode, epos.block, udf_free_blocks(sb, inode, &epos.block,
0, indirect_ext_len); 0, indirect_ext_len);
} else if (!epos.bh) { } else if (!epos.bh) {
iinfo->i_lenAlloc = lenalloc; iinfo->i_lenAlloc = lenalloc;
@ -253,7 +253,7 @@ void udf_truncate_extents(struct inode *inode)
epos.offset = sizeof(struct allocExtDesc); epos.offset = sizeof(struct allocExtDesc);
epos.block = eloc; epos.block = eloc;
epos.bh = udf_tread(sb, epos.bh = udf_tread(sb,
udf_get_lb_pblock(sb, eloc, 0)); udf_get_lb_pblock(sb, &eloc, 0));
if (elen) if (elen)
indirect_ext_len = indirect_ext_len =
(elen + sb->s_blocksize - 1) >> (elen + sb->s_blocksize - 1) >>
@ -261,7 +261,7 @@ void udf_truncate_extents(struct inode *inode)
else else
indirect_ext_len = 1; indirect_ext_len = 1;
} else { } else {
extent_trunc(inode, &epos, eloc, etype, extent_trunc(inode, &epos, &eloc, etype,
elen, 0); elen, 0);
epos.offset += adsize; epos.offset += adsize;
} }
@ -269,7 +269,7 @@ void udf_truncate_extents(struct inode *inode)
if (indirect_ext_len) { if (indirect_ext_len) {
BUG_ON(!epos.bh); BUG_ON(!epos.bh);
udf_free_blocks(sb, inode, epos.block, 0, udf_free_blocks(sb, inode, &epos.block, 0,
indirect_ext_len); indirect_ext_len);
} else if (!epos.bh) { } else if (!epos.bh) {
iinfo->i_lenAlloc = lenalloc; iinfo->i_lenAlloc = lenalloc;

20
fs/udf/udfdecl.h
View File

@ -62,8 +62,6 @@ static inline size_t udf_ext0_offset(struct inode *inode)
return 0; return 0;
} }
#define udf_get_lb_pblock(sb,loc,offset) udf_get_pblock((sb), (loc).logicalBlockNum, (loc).partitionReferenceNum, (offset))
/* computes tag checksum */ /* computes tag checksum */
u8 udf_tag_checksum(const struct tag *t); u8 udf_tag_checksum(const struct tag *t);
@ -124,7 +122,7 @@ extern int udf_ioctl(struct inode *, struct file *, unsigned int,
unsigned long); unsigned long);
/* inode.c */ /* inode.c */
extern struct inode *udf_iget(struct super_block *, struct kernel_lb_addr); extern struct inode *udf_iget(struct super_block *, struct kernel_lb_addr *);
extern int udf_sync_inode(struct inode *); extern int udf_sync_inode(struct inode *);
extern void udf_expand_file_adinicb(struct inode *, int, int *); extern void udf_expand_file_adinicb(struct inode *, int, int *);
extern struct buffer_head *udf_expand_dir_adinicb(struct inode *, int *, int *); extern struct buffer_head *udf_expand_dir_adinicb(struct inode *, int *, int *);
@ -140,9 +138,9 @@ extern int udf_extend_file(struct inode *, struct extent_position *,
extern int8_t inode_bmap(struct inode *, sector_t, struct extent_position *, extern int8_t inode_bmap(struct inode *, sector_t, struct extent_position *,
struct kernel_lb_addr *, uint32_t *, sector_t *); struct kernel_lb_addr *, uint32_t *, sector_t *);
extern int8_t udf_add_aext(struct inode *, struct extent_position *, extern int8_t udf_add_aext(struct inode *, struct extent_position *,
struct kernel_lb_addr, uint32_t, int); struct kernel_lb_addr *, uint32_t, int);
extern int8_t udf_write_aext(struct inode *, struct extent_position *, extern int8_t udf_write_aext(struct inode *, struct extent_position *,
struct kernel_lb_addr, uint32_t, int); struct kernel_lb_addr *, uint32_t, int);
extern int8_t udf_delete_aext(struct inode *, struct extent_position, extern int8_t udf_delete_aext(struct inode *, struct extent_position,
struct kernel_lb_addr, uint32_t); struct kernel_lb_addr, uint32_t);
extern int8_t udf_next_aext(struct inode *, struct extent_position *, extern int8_t udf_next_aext(struct inode *, struct extent_position *,
@ -160,7 +158,7 @@ extern struct genericFormat *udf_get_extendedattr(struct inode *, uint32_t,
extern struct buffer_head *udf_read_tagged(struct super_block *, uint32_t, extern struct buffer_head *udf_read_tagged(struct super_block *, uint32_t,
uint32_t, uint16_t *); uint32_t, uint16_t *);
extern struct buffer_head *udf_read_ptagged(struct super_block *, extern struct buffer_head *udf_read_ptagged(struct super_block *,
struct kernel_lb_addr, uint32_t, struct kernel_lb_addr *, uint32_t,
uint16_t *); uint16_t *);
extern void udf_update_tag(char *, int); extern void udf_update_tag(char *, int);
extern void udf_new_tag(char *, uint16_t, uint16_t, uint16_t, uint32_t, int); extern void udf_new_tag(char *, uint16_t, uint16_t, uint16_t, uint32_t, int);
@ -182,6 +180,14 @@ extern uint32_t udf_get_pblock_meta25(struct super_block *, uint32_t, uint16_t,
uint32_t); uint32_t);
extern int udf_relocate_blocks(struct super_block *, long, long *); extern int udf_relocate_blocks(struct super_block *, long, long *);
static inline uint32_t
udf_get_lb_pblock(struct super_block *sb, struct kernel_lb_addr *loc,
uint32_t offset)
{
return udf_get_pblock(sb, loc->logicalBlockNum,
loc->partitionReferenceNum, offset);
}
/* unicode.c */ /* unicode.c */
extern int udf_get_filename(struct super_block *, uint8_t *, uint8_t *, int); extern int udf_get_filename(struct super_block *, uint8_t *, uint8_t *, int);
extern int udf_put_filename(struct super_block *, const uint8_t *, uint8_t *, extern int udf_put_filename(struct super_block *, const uint8_t *, uint8_t *,
@ -200,7 +206,7 @@ extern void udf_truncate_extents(struct inode *);
/* balloc.c */ /* balloc.c */
extern void udf_free_blocks(struct super_block *, struct inode *, extern void udf_free_blocks(struct super_block *, struct inode *,
struct kernel_lb_addr, uint32_t, uint32_t); struct kernel_lb_addr *, uint32_t, uint32_t);
extern int udf_prealloc_blocks(struct super_block *, struct inode *, uint16_t, extern int udf_prealloc_blocks(struct super_block *, struct inode *, uint16_t,
uint32_t, uint32_t); uint32_t, uint32_t);
extern int udf_new_block(struct super_block *, struct inode *, uint16_t, extern int udf_new_block(struct super_block *, struct inode *, uint16_t,