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[XFS] split ondisk vs incore versions of xfs_bmbt_rec_t 

currently xfs_bmbt_rec_t is used both for ondisk extents as well as
host-endian ones. This patch adds a new xfs_bmbt_rec_host_t for the native
endian ones and cleans up the fallout. There have been various endianess
issues in the tracing / debug printf code that are fixed by this patch.

SGI-PV: 968563
SGI-Modid: xfs-linux-melb:xfs-kern:29318a

Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>
This commit is contained in:
Christoph Hellwig 2007-08-16 16:23:40 +10:00 committed by Tim Shimmin
parent d580ef6eaa
commit a6f64d4aea
7 changed files with 95 additions and 127 deletions
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7
fs/xfs/quota/xfs_qm.c
View File

@ -1717,7 +1717,6 @@ xfs_qm_get_rtblks(
xfs_extnum_t idx; /* extent record index */
xfs_ifork_t *ifp; /* inode fork pointer */
xfs_extnum_t nextents; /* number of extent entries */
xfs_bmbt_rec_t *ep; /* pointer to an extent entry */
int error;
ASSERT(XFS_IS_REALTIME_INODE(ip));
@ -1728,10 +1727,8 @@ xfs_qm_get_rtblks(
}
rtblks = 0;
nextents = ifp->if_bytes / (uint)sizeof(xfs_bmbt_rec_t);
for (idx = 0; idx < nextents; idx++) {
ep = xfs_iext_get_ext(ifp, idx);
rtblks += xfs_bmbt_get_blockcount(ep);
}
for (idx = 0; idx < nextents; idx++)
rtblks += xfs_bmbt_get_blockcount(xfs_iext_get_ext(ifp, idx));
*O_rtblks = (xfs_qcnt_t)rtblks;
return 0;
}

75
fs/xfs/xfs_bmap.c
View File

@ -248,7 +248,7 @@ xfs_bmap_local_to_extents(
* Else, *lastxp will be set to the index of the found
* entry; *gotp will contain the entry.
*/
STATIC xfs_bmbt_rec_t * /* pointer to found extent entry */
STATIC xfs_bmbt_rec_host_t * /* pointer to found extent entry */
xfs_bmap_search_extents(
xfs_inode_t *ip, /* incore inode pointer */
xfs_fileoff_t bno, /* block number searched for */
@ -272,21 +272,6 @@ xfs_bmap_isaeof(
char *aeof); /* return value */
#ifdef XFS_BMAP_TRACE
/*
* Add a bmap trace buffer entry. Base routine for the others.
*/
STATIC void
xfs_bmap_trace_addentry(
int opcode, /* operation */
const char *fname, /* function name */
char *desc, /* operation description */
xfs_inode_t *ip, /* incore inode pointer */
xfs_extnum_t idx, /* index of entry(ies) */
xfs_extnum_t cnt, /* count of entries, 1 or 2 */
xfs_bmbt_rec_t *r1, /* first record */
xfs_bmbt_rec_t *r2, /* second record or null */
int whichfork); /* data or attr fork */
/*
* Add bmap trace entry prior to a call to xfs_iext_remove.
*/
@ -714,7 +699,7 @@ xfs_bmap_add_extent_delay_real(
{
xfs_btree_cur_t *cur; /* btree cursor */
int diff; /* temp value */
xfs_bmbt_rec_t *ep; /* extent entry for idx */
xfs_bmbt_rec_host_t *ep; /* extent entry for idx */
int error; /* error return value */
int i; /* temp state */
xfs_ifork_t *ifp; /* inode fork pointer */
@ -1270,7 +1255,7 @@ xfs_bmap_add_extent_unwritten_real(
xfs_extdelta_t *delta) /* Change made to incore extents */
{
xfs_btree_cur_t *cur; /* btree cursor */
xfs_bmbt_rec_t *ep; /* extent entry for idx */
xfs_bmbt_rec_host_t *ep; /* extent entry for idx */
int error; /* error return value */
int i; /* temp state */
xfs_ifork_t *ifp; /* inode fork pointer */
@ -1823,7 +1808,7 @@ xfs_bmap_add_extent_hole_delay(
xfs_extdelta_t *delta, /* Change made to incore extents */
int rsvd) /* OK to allocate reserved blocks */
{
xfs_bmbt_rec_t *ep; /* extent record for idx */
xfs_bmbt_rec_host_t *ep; /* extent record for idx */
xfs_ifork_t *ifp; /* inode fork pointer */
xfs_bmbt_irec_t left; /* left neighbor extent entry */
xfs_filblks_t newlen=0; /* new indirect size */
@ -2012,7 +1997,7 @@ xfs_bmap_add_extent_hole_real(
xfs_extdelta_t *delta, /* Change made to incore extents */
int whichfork) /* data or attr fork */
{
xfs_bmbt_rec_t *ep; /* pointer to extent entry ins. point */
xfs_bmbt_rec_host_t *ep; /* pointer to extent entry ins. point */
int error; /* error return value */
int i; /* temp state */
xfs_ifork_t *ifp; /* inode fork pointer */
@ -3070,7 +3055,7 @@ xfs_bmap_del_extent(
xfs_fileoff_t del_endoff; /* first offset past del */
int delay; /* current block is delayed allocated */
int do_fx; /* free extent at end of routine */
xfs_bmbt_rec_t *ep; /* current extent entry pointer */
xfs_bmbt_rec_host_t *ep; /* current extent entry pointer */
int error; /* error return value */
int flags; /* inode logging flags */
xfs_bmbt_irec_t got; /* current extent entry */
@ -3418,7 +3403,7 @@ xfs_bmap_extents_to_btree(
xfs_bmbt_rec_t *arp; /* child record pointer */
xfs_bmbt_block_t *block; /* btree root block */
xfs_btree_cur_t *cur; /* bmap btree cursor */
xfs_bmbt_rec_t *ep; /* extent record pointer */
xfs_bmbt_rec_host_t *ep; /* extent record pointer */
int error; /* error return value */
xfs_extnum_t i, cnt; /* extent record index */
xfs_ifork_t *ifp; /* inode fork pointer */
@ -3590,7 +3575,7 @@ xfs_bmap_local_to_extents(
if (ifp->if_bytes) {
xfs_alloc_arg_t args; /* allocation arguments */
xfs_buf_t *bp; /* buffer for extent block */
xfs_bmbt_rec_t *ep; /* extent record pointer */
xfs_bmbt_rec_host_t *ep;/* extent record pointer */
args.tp = tp;
args.mp = ip->i_mount;
@ -3655,7 +3640,7 @@ done:
* entry (null if none). Else, *lastxp will be set to the index
* of the found entry; *gotp will contain the entry.
*/
xfs_bmbt_rec_t * /* pointer to found extent entry */
xfs_bmbt_rec_host_t * /* pointer to found extent entry */
xfs_bmap_search_multi_extents(
xfs_ifork_t *ifp, /* inode fork pointer */
xfs_fileoff_t bno, /* block number searched for */
@ -3664,7 +3649,7 @@ xfs_bmap_search_multi_extents(
xfs_bmbt_irec_t *gotp, /* out: extent entry found */
xfs_bmbt_irec_t *prevp) /* out: previous extent entry found */
{
xfs_bmbt_rec_t *ep; /* extent record pointer */
xfs_bmbt_rec_host_t *ep; /* extent record pointer */
xfs_extnum_t lastx; /* last extent index */
/*
@ -3706,7 +3691,7 @@ xfs_bmap_search_multi_extents(
* Else, *lastxp will be set to the index of the found
* entry; *gotp will contain the entry.
*/
STATIC xfs_bmbt_rec_t * /* pointer to found extent entry */
STATIC xfs_bmbt_rec_host_t * /* pointer to found extent entry */
xfs_bmap_search_extents(
xfs_inode_t *ip, /* incore inode pointer */
xfs_fileoff_t bno, /* block number searched for */
@ -3717,7 +3702,7 @@ xfs_bmap_search_extents(
xfs_bmbt_irec_t *prevp) /* out: previous extent entry found */
{
xfs_ifork_t *ifp; /* inode fork pointer */
xfs_bmbt_rec_t *ep; /* extent record pointer */
xfs_bmbt_rec_host_t *ep; /* extent record pointer */
XFS_STATS_INC(xs_look_exlist);
ifp = XFS_IFORK_PTR(ip, fork);
@ -3757,11 +3742,11 @@ xfs_bmap_trace_addentry(
xfs_inode_t *ip, /* incore inode pointer */
xfs_extnum_t idx, /* index of entry(ies) */
xfs_extnum_t cnt, /* count of entries, 1 or 2 */
xfs_bmbt_rec_t *r1, /* first record */
xfs_bmbt_rec_t *r2, /* second record or null */
xfs_bmbt_rec_host_t *r1, /* first record */
xfs_bmbt_rec_host_t *r2, /* second record or null */
int whichfork) /* data or attr fork */
{
xfs_bmbt_rec_t tr2;
xfs_bmbt_rec_host_t tr2;
ASSERT(cnt == 1 || cnt == 2);
ASSERT(r1 != NULL);
@ -3842,8 +3827,8 @@ xfs_bmap_trace_insert(
xfs_bmbt_irec_t *r2, /* inserted record 2 or null */
int whichfork) /* data or attr fork */
{
xfs_bmbt_rec_t tr1; /* compressed record 1 */
xfs_bmbt_rec_t tr2; /* compressed record 2 if needed */
xfs_bmbt_rec_host_t tr1; /* compressed record 1 */
xfs_bmbt_rec_host_t tr2; /* compressed record 2 if needed */
xfs_bmbt_set_all(&tr1, r1);
if (cnt == 2) {
@ -4316,7 +4301,6 @@ xfs_bmap_first_unused(
xfs_fileoff_t *first_unused, /* unused block */
int whichfork) /* data or attr fork */
{
xfs_bmbt_rec_t *ep; /* pointer to an extent entry */
int error; /* error return value */
int idx; /* extent record index */
xfs_ifork_t *ifp; /* inode fork pointer */
@ -4340,7 +4324,7 @@ xfs_bmap_first_unused(
lowest = *first_unused;
nextents = ifp->if_bytes / (uint)sizeof(xfs_bmbt_rec_t);
for (idx = 0, lastaddr = 0, max = lowest; idx < nextents; idx++) {
ep = xfs_iext_get_ext(ifp, idx);
xfs_bmbt_rec_host_t *ep = xfs_iext_get_ext(ifp, idx);
off = xfs_bmbt_get_startoff(ep);
/*
* See if the hole before this extent will work.
@ -4371,7 +4355,7 @@ xfs_bmap_last_before(
{
xfs_fileoff_t bno; /* input file offset */
int eof; /* hit end of file */
xfs_bmbt_rec_t *ep; /* pointer to last extent */
xfs_bmbt_rec_host_t *ep; /* pointer to last extent */
int error; /* error return value */
xfs_bmbt_irec_t got; /* current extent value */
xfs_ifork_t *ifp; /* inode fork pointer */
@ -4417,7 +4401,7 @@ xfs_bmap_last_offset(
xfs_fileoff_t *last_block, /* last block */
int whichfork) /* data or attr fork */
{
xfs_bmbt_rec_t *ep; /* pointer to last extent */
xfs_bmbt_rec_host_t *ep; /* pointer to last extent */
int error; /* error return value */
xfs_ifork_t *ifp; /* inode fork pointer */
xfs_extnum_t nextents; /* number of extent entries */
@ -4454,7 +4438,7 @@ xfs_bmap_one_block(
xfs_inode_t *ip, /* incore inode */
int whichfork) /* data or attr fork */
{
xfs_bmbt_rec_t *ep; /* ptr to fork's extent */
xfs_bmbt_rec_host_t *ep; /* ptr to fork's extent */
xfs_ifork_t *ifp; /* inode fork pointer */
int rval; /* return value */
xfs_bmbt_irec_t s; /* internal version of extent */
@ -4549,7 +4533,7 @@ xfs_bmap_read_extents(
* Loop over all leaf nodes. Copy information to the extent records.
*/
for (;;) {
xfs_bmbt_rec_t *frp, *trp;
xfs_bmbt_rec_t *frp;
xfs_fsblock_t nextbno;
xfs_extnum_t num_recs;
xfs_extnum_t start;
@ -4581,7 +4565,7 @@ xfs_bmap_read_extents(
frp = XFS_BTREE_REC_ADDR(xfs_bmbt, block, 1);
start = i;
for (j = 0; j < num_recs; j++, i++, frp++) {
trp = xfs_iext_get_ext(ifp, i);
xfs_bmbt_rec_host_t *trp = xfs_iext_get_ext(ifp, i);
trp->l0 = INT_GET(frp->l0, ARCH_CONVERT);
trp->l1 = INT_GET(frp->l1, ARCH_CONVERT);
}
@ -4631,7 +4615,7 @@ xfs_bmap_trace_exlist(
xfs_extnum_t cnt, /* count of entries in the list */
int whichfork) /* data or attr fork */
{
xfs_bmbt_rec_t *ep; /* current extent record */
xfs_bmbt_rec_host_t *ep; /* current extent record */
xfs_extnum_t idx; /* extent record index */
xfs_ifork_t *ifp; /* inode fork pointer */
xfs_bmbt_irec_t s; /* file extent record */
@ -4727,7 +4711,7 @@ xfs_bmapi(
xfs_btree_cur_t *cur; /* bmap btree cursor */
xfs_fileoff_t end; /* end of mapped file region */
int eof; /* we've hit the end of extents */
xfs_bmbt_rec_t *ep; /* extent record pointer */
xfs_bmbt_rec_host_t *ep; /* extent record pointer */
int error; /* error return */
xfs_bmbt_irec_t got; /* current file extent record */
xfs_ifork_t *ifp; /* inode fork pointer */
@ -5378,7 +5362,7 @@ xfs_bunmapi(
xfs_btree_cur_t *cur; /* bmap btree cursor */
xfs_bmbt_irec_t del; /* extent being deleted */
int eof; /* is deleting at eof */
xfs_bmbt_rec_t *ep; /* extent record pointer */
xfs_bmbt_rec_host_t *ep; /* extent record pointer */
int error; /* error return value */
xfs_extnum_t extno; /* extent number in list */
xfs_bmbt_irec_t got; /* current extent record */
@ -6004,7 +5988,7 @@ xfs_bmap_isaeof(
{
int error; /* error return value */
xfs_ifork_t *ifp; /* inode fork pointer */
xfs_bmbt_rec_t *lastrec; /* extent record pointer */
xfs_bmbt_rec_host_t *lastrec; /* extent record pointer */
xfs_extnum_t nextents; /* number of file extents */
xfs_bmbt_irec_t s; /* expanded extent record */
@ -6048,7 +6032,7 @@ xfs_bmap_eof(
xfs_fsblock_t blockcount; /* extent block count */
int error; /* error return value */
xfs_ifork_t *ifp; /* inode fork pointer */
xfs_bmbt_rec_t *lastrec; /* extent record pointer */
xfs_bmbt_rec_host_t *lastrec; /* extent record pointer */
xfs_extnum_t nextents; /* number of file extents */
xfs_fileoff_t startoff; /* extent starting file offset */
@ -6495,10 +6479,9 @@ xfs_bmap_count_leaves(
int *count)
{
int b;
xfs_bmbt_rec_t *frp;
for (b = 0; b < numrecs; b++) {
frp = xfs_iext_get_ext(ifp, idx + b);
xfs_bmbt_rec_host_t *frp = xfs_iext_get_ext(ifp, idx + b);
*count += xfs_bmbt_get_blockcount(frp);
}
return 0;

2
fs/xfs/xfs_bmap.h
View File

@ -378,7 +378,7 @@ xfs_check_nostate_extents(
* entry (null if none). Else, *lastxp will be set to the index
* of the found entry; *gotp will contain the entry.
*/
xfs_bmbt_rec_t *
xfs_bmbt_rec_host_t *
xfs_bmap_search_multi_extents(struct xfs_ifork *, xfs_fileoff_t, int *,
xfs_extnum_t *, xfs_bmbt_irec_t *, xfs_bmbt_irec_t *);

31
fs/xfs/xfs_bmap_btree.c
View File

@ -260,13 +260,14 @@ xfs_bmbt_trace_cursor(
char *s,
int line)
{
xfs_bmbt_rec_t r;
xfs_bmbt_rec_host_t r;
xfs_bmbt_set_all(&r, &cur->bc_rec.b);
xfs_bmbt_trace_enter(func, cur, s, XFS_BMBT_KTRACE_CUR, line,
(cur->bc_nlevels << 24) | (cur->bc_private.b.flags << 16) |
cur->bc_private.b.allocated,
INT_GET(r.l0, ARCH_CONVERT) >> 32, (int)INT_GET(r.l0, ARCH_CONVERT), INT_GET(r.l1, ARCH_CONVERT) >> 32, (int)INT_GET(r.l1, ARCH_CONVERT),
r.l0 >> 32, (int)r.l0,
r.l1 >> 32, (int)r.l1,
(unsigned long)cur->bc_bufs[0], (unsigned long)cur->bc_bufs[1],
(unsigned long)cur->bc_bufs[2], (unsigned long)cur->bc_bufs[3],
(cur->bc_ptrs[0] << 16) | cur->bc_ptrs[1],
@ -1826,7 +1827,7 @@ __xfs_bmbt_get_all(
void
xfs_bmbt_get_all(
xfs_bmbt_rec_t *r,
xfs_bmbt_rec_host_t *r,
xfs_bmbt_irec_t *s)
{
__xfs_bmbt_get_all(r->l0, r->l1, s);
@ -1862,7 +1863,7 @@ xfs_bmbt_get_block(
*/
xfs_filblks_t
xfs_bmbt_get_blockcount(
xfs_bmbt_rec_t *r)
xfs_bmbt_rec_host_t *r)
{
return (xfs_filblks_t)(r->l1 & XFS_MASK64LO(21));
}
@ -1872,7 +1873,7 @@ xfs_bmbt_get_blockcount(
*/
xfs_fsblock_t
xfs_bmbt_get_startblock(
xfs_bmbt_rec_t *r)
xfs_bmbt_rec_host_t *r)
{
#if XFS_BIG_BLKNOS
return (((xfs_fsblock_t)r->l0 & XFS_MASK64LO(9)) << 43) |
@ -1896,7 +1897,7 @@ xfs_bmbt_get_startblock(
*/
xfs_fileoff_t
xfs_bmbt_get_startoff(
xfs_bmbt_rec_t *r)
xfs_bmbt_rec_host_t *r)
{
return ((xfs_fileoff_t)r->l0 &
XFS_MASK64LO(64 - BMBT_EXNTFLAG_BITLEN)) >> 9;
@ -1904,7 +1905,7 @@ xfs_bmbt_get_startoff(
xfs_exntst_t
xfs_bmbt_get_state(
xfs_bmbt_rec_t *r)
xfs_bmbt_rec_host_t *r)
{
int ext_flag;
@ -2294,7 +2295,7 @@ xfs_bmbt_newroot(
*/
void
xfs_bmbt_set_all(
xfs_bmbt_rec_t *r,
xfs_bmbt_rec_host_t *r,
xfs_bmbt_irec_t *s)
{
int extent_flag;
@ -2336,7 +2337,7 @@ xfs_bmbt_set_all(
*/
void
xfs_bmbt_set_allf(
xfs_bmbt_rec_t *r,
xfs_bmbt_rec_host_t *r,
xfs_fileoff_t o,
xfs_fsblock_t b,
xfs_filblks_t c,
@ -2468,7 +2469,7 @@ xfs_bmbt_disk_set_allf(
*/
void
xfs_bmbt_set_blockcount(
xfs_bmbt_rec_t *r,
xfs_bmbt_rec_host_t *r,
xfs_filblks_t v)
{
ASSERT((v & XFS_MASK64HI(43)) == 0);
@ -2481,7 +2482,7 @@ xfs_bmbt_set_blockcount(
*/
void
xfs_bmbt_set_startblock(
xfs_bmbt_rec_t *r,
xfs_bmbt_rec_host_t *r,
xfs_fsblock_t v)
{
#if XFS_BIG_BLKNOS
@ -2509,7 +2510,7 @@ xfs_bmbt_set_startblock(
*/
void
xfs_bmbt_set_startoff(
xfs_bmbt_rec_t *r,
xfs_bmbt_rec_host_t *r,
xfs_fileoff_t v)
{
ASSERT((v & XFS_MASK64HI(9)) == 0);
@ -2523,7 +2524,7 @@ xfs_bmbt_set_startoff(
*/
void
xfs_bmbt_set_state(
xfs_bmbt_rec_t *r,
xfs_bmbt_rec_host_t *r,
xfs_exntst_t v)
{
ASSERT(v == XFS_EXT_NORM || v == XFS_EXT_UNWRITTEN);
@ -2624,10 +2625,8 @@ xfs_check_nostate_extents(
xfs_extnum_t idx,
xfs_extnum_t num)
{
xfs_bmbt_rec_t *ep;
for (; num > 0; num--, idx++) {
ep = xfs_iext_get_ext(ifp, idx);
xfs_bmbt_rec_host_t *ep = xfs_iext_get_ext(ifp, idx);
if ((ep->l0 >>
(64 - BMBT_EXNTFLAG_BITLEN)) != 0) {
ASSERT(0);

26
fs/xfs/xfs_bmap_btree.h
View File

@ -89,6 +89,10 @@ typedef struct xfs_bmbt_rec_64
typedef __uint64_t xfs_bmbt_rec_base_t; /* use this for casts */
typedef xfs_bmbt_rec_64_t xfs_bmbt_rec_t, xfs_bmdr_rec_t;
typedef struct xfs_bmbt_rec_host {
__uint64_t l0, l1;
} xfs_bmbt_rec_host_t;
/*
* Values and macros for delayed-allocation startblock fields.
*/
@ -281,13 +285,13 @@ extern ktrace_t *xfs_bmbt_trace_buf;
extern void xfs_bmdr_to_bmbt(xfs_bmdr_block_t *, int, xfs_bmbt_block_t *, int);
extern int xfs_bmbt_decrement(struct xfs_btree_cur *, int, int *);
extern int xfs_bmbt_delete(struct xfs_btree_cur *, int *);
extern void xfs_bmbt_get_all(xfs_bmbt_rec_t *r, xfs_bmbt_irec_t *s);
extern void xfs_bmbt_get_all(xfs_bmbt_rec_host_t *r, xfs_bmbt_irec_t *s);
extern xfs_bmbt_block_t *xfs_bmbt_get_block(struct xfs_btree_cur *cur,
int, struct xfs_buf **bpp);
extern xfs_filblks_t xfs_bmbt_get_blockcount(xfs_bmbt_rec_t *r);
extern xfs_fsblock_t xfs_bmbt_get_startblock(xfs_bmbt_rec_t *r);
extern xfs_fileoff_t xfs_bmbt_get_startoff(xfs_bmbt_rec_t *r);
extern xfs_exntst_t xfs_bmbt_get_state(xfs_bmbt_rec_t *r);
extern xfs_filblks_t xfs_bmbt_get_blockcount(xfs_bmbt_rec_host_t *r);
extern xfs_fsblock_t xfs_bmbt_get_startblock(xfs_bmbt_rec_host_t *r);
extern xfs_fileoff_t xfs_bmbt_get_startoff(xfs_bmbt_rec_host_t *r);
extern xfs_exntst_t xfs_bmbt_get_state(xfs_bmbt_rec_host_t *r);
#ifndef XFS_NATIVE_HOST
extern void xfs_bmbt_disk_get_all(xfs_bmbt_rec_t *r, xfs_bmbt_irec_t *s);
@ -315,13 +319,13 @@ extern int xfs_bmbt_lookup_ge(struct xfs_btree_cur *, xfs_fileoff_t,
*/
extern int xfs_bmbt_newroot(struct xfs_btree_cur *cur, int *lflags, int *stat);
extern void xfs_bmbt_set_all(xfs_bmbt_rec_t *r, xfs_bmbt_irec_t *s);
extern void xfs_bmbt_set_allf(xfs_bmbt_rec_t *r, xfs_fileoff_t o,
extern void xfs_bmbt_set_all(xfs_bmbt_rec_host_t *r, xfs_bmbt_irec_t *s);
extern void xfs_bmbt_set_allf(xfs_bmbt_rec_host_t *r, xfs_fileoff_t o,
xfs_fsblock_t b, xfs_filblks_t c, xfs_exntst_t v);
extern void xfs_bmbt_set_blockcount(xfs_bmbt_rec_t *r, xfs_filblks_t v);
extern void xfs_bmbt_set_startblock(xfs_bmbt_rec_t *r, xfs_fsblock_t v);
extern void xfs_bmbt_set_startoff(xfs_bmbt_rec_t *r, xfs_fileoff_t v);
extern void xfs_bmbt_set_state(xfs_bmbt_rec_t *r, xfs_exntst_t v);
extern void xfs_bmbt_set_blockcount(xfs_bmbt_rec_host_t *r, xfs_filblks_t v);
extern void xfs_bmbt_set_startblock(xfs_bmbt_rec_host_t *r, xfs_fsblock_t v);
extern void xfs_bmbt_set_startoff(xfs_bmbt_rec_host_t *r, xfs_fileoff_t v);
extern void xfs_bmbt_set_state(xfs_bmbt_rec_host_t *r, xfs_exntst_t v);
#ifndef XFS_NATIVE_HOST
extern void xfs_bmbt_disk_set_all(xfs_bmbt_rec_t *r, xfs_bmbt_irec_t *s);

69
fs/xfs/xfs_inode.c
View File

@ -67,7 +67,6 @@ STATIC int xfs_iformat_local(xfs_inode_t *, xfs_dinode_t *, int, int);
STATIC int xfs_iformat_extents(xfs_inode_t *, xfs_dinode_t *, int);
STATIC int xfs_iformat_btree(xfs_inode_t *, xfs_dinode_t *, int);
#ifdef DEBUG
/*
* Make sure that the extents in the given memory buffer
@ -77,28 +76,23 @@ STATIC void
xfs_validate_extents(
xfs_ifork_t *ifp,
int nrecs,
int disk,
xfs_exntfmt_t fmt)
{
xfs_bmbt_rec_t *ep;
xfs_bmbt_irec_t irec;
xfs_bmbt_rec_t rec;
xfs_bmbt_rec_host_t rec;
int i;
for (i = 0; i < nrecs; i++) {
ep = xfs_iext_get_ext(ifp, i);
rec.l0 = get_unaligned((__uint64_t*)&ep->l0);
rec.l1 = get_unaligned((__uint64_t*)&ep->l1);
if (disk)
xfs_bmbt_disk_get_all(&rec, &irec);
else
xfs_bmbt_rec_host_t *ep = xfs_iext_get_ext(ifp, i);
rec.l0 = get_unaligned(&ep->l0);
rec.l1 = get_unaligned(&ep->l1);
xfs_bmbt_get_all(&rec, &irec);
if (fmt == XFS_EXTFMT_NOSTATE)
ASSERT(irec.br_state == XFS_EXT_NORM);
}
}
#else /* DEBUG */
#define xfs_validate_extents(ifp, nrecs, disk, fmt)
#define xfs_validate_extents(ifp, nrecs, fmt)
#endif /* DEBUG */
/*
@ -602,7 +596,7 @@ xfs_iformat_extents(
xfs_dinode_t *dip,
int whichfork)
{
xfs_bmbt_rec_t *ep, *dp;
xfs_bmbt_rec_t *dp;
xfs_ifork_t *ifp;
int nex;
int size;
@ -637,9 +631,9 @@ xfs_iformat_extents(
ifp->if_bytes = size;
if (size) {
dp = (xfs_bmbt_rec_t *) XFS_DFORK_PTR(dip, whichfork);
xfs_validate_extents(ifp, nex, 1, XFS_EXTFMT_INODE(ip));
xfs_validate_extents(ifp, nex, XFS_EXTFMT_INODE(ip));
for (i = 0; i < nex; i++, dp++) {
ep = xfs_iext_get_ext(ifp, i);
xfs_bmbt_rec_host_t *ep = xfs_iext_get_ext(ifp, i);
ep->l0 = INT_GET(get_unaligned((__uint64_t*)&dp->l0),
ARCH_CONVERT);
ep->l1 = INT_GET(get_unaligned((__uint64_t*)&dp->l1),
@ -1048,7 +1042,7 @@ xfs_iread_extents(
ifp->if_flags &= ~XFS_IFEXTENTS;
return error;
}
xfs_validate_extents(ifp, nextents, 0, XFS_EXTFMT_INODE(ip));
xfs_validate_extents(ifp, nextents, XFS_EXTFMT_INODE(ip));
return 0;
}
@ -2887,12 +2881,10 @@ xfs_iunpin_wait(
int
xfs_iextents_copy(
xfs_inode_t *ip,
xfs_bmbt_rec_t *buffer,
xfs_bmbt_rec_t *dp,
int whichfork)
{
int copied;
xfs_bmbt_rec_t *dest_ep;
xfs_bmbt_rec_t *ep;
int i;
xfs_ifork_t *ifp;
int nrecs;
@ -2912,10 +2904,9 @@ xfs_iextents_copy(
* the delayed ones. There must be at least one
* non-delayed extent.
*/
dest_ep = buffer;
copied = 0;
for (i = 0; i < nrecs; i++) {
ep = xfs_iext_get_ext(ifp, i);
xfs_bmbt_rec_host_t *ep = xfs_iext_get_ext(ifp, i);
start_block = xfs_bmbt_get_startblock(ep);
if (ISNULLSTARTBLOCK(start_block)) {
/*
@ -2926,14 +2917,14 @@ xfs_iextents_copy(
/* Translate to on disk format */
put_unaligned(INT_GET(ep->l0, ARCH_CONVERT),
(__uint64_t*)&dest_ep->l0);
(__uint64_t*)&dp->l0);
put_unaligned(INT_GET(ep->l1, ARCH_CONVERT),
(__uint64_t*)&dest_ep->l1);
dest_ep++;
(__uint64_t*)&dp->l1);
dp++;
copied++;
}
ASSERT(copied != 0);
xfs_validate_extents(ifp, copied, 1, XFS_EXTFMT_INODE(ip));
xfs_validate_extents(ifp, copied, XFS_EXTFMT_INODE(ip));
return (copied * (uint)sizeof(xfs_bmbt_rec_t));
}
@ -3711,7 +3702,7 @@ xfs_ilock_trace(xfs_inode_t *ip, int lock, unsigned int lockflags, inst_t *ra)
/*
* Return a pointer to the extent record at file index idx.
*/
xfs_bmbt_rec_t *
xfs_bmbt_rec_host_t *
xfs_iext_get_ext(
xfs_ifork_t *ifp, /* inode fork pointer */
xfs_extnum_t idx) /* index of target extent */
@ -3744,15 +3735,12 @@ xfs_iext_insert(
xfs_extnum_t count, /* number of inserted items */
xfs_bmbt_irec_t *new) /* items to insert */
{
xfs_bmbt_rec_t *ep; /* extent record pointer */
xfs_extnum_t i; /* extent record index */
ASSERT(ifp->if_flags & XFS_IFEXTENTS);
xfs_iext_add(ifp, idx, count);
for (i = idx; i < idx + count; i++, new++) {
ep = xfs_iext_get_ext(ifp, i);
xfs_bmbt_set_all(ep, new);
}
for (i = idx; i < idx + count; i++, new++)
xfs_bmbt_set_all(xfs_iext_get_ext(ifp, i), new);
}
/*
@ -4203,7 +4191,7 @@ xfs_iext_realloc_direct(
rnew_size = xfs_iroundup(new_size);
}
if (rnew_size != ifp->if_real_bytes) {
ifp->if_u1.if_extents = (xfs_bmbt_rec_t *)
ifp->if_u1.if_extents =
kmem_realloc(ifp->if_u1.if_extents,
rnew_size,
ifp->if_real_bytes,
@ -4266,8 +4254,7 @@ xfs_iext_inline_to_direct(
xfs_ifork_t *ifp, /* inode fork pointer */
int new_size) /* number of extents in file */
{
ifp->if_u1.if_extents = (xfs_bmbt_rec_t *)
kmem_alloc(new_size, KM_SLEEP);
ifp->if_u1.if_extents = kmem_alloc(new_size, KM_SLEEP);
memset(ifp->if_u1.if_extents, 0, new_size);
if (ifp->if_bytes) {
memcpy(ifp->if_u1.if_extents, ifp->if_u2.if_inline_ext,
@ -4310,7 +4297,7 @@ void
xfs_iext_indirect_to_direct(
xfs_ifork_t *ifp) /* inode fork pointer */
{
xfs_bmbt_rec_t *ep; /* extent record pointer */
xfs_bmbt_rec_host_t *ep; /* extent record pointer */
xfs_extnum_t nextents; /* number of extents in file */
int size; /* size of file extents */
@ -4362,15 +4349,15 @@ xfs_iext_destroy(
/*
* Return a pointer to the extent record for file system block bno.
*/
xfs_bmbt_rec_t * /* pointer to found extent record */
xfs_bmbt_rec_host_t * /* pointer to found extent record */
xfs_iext_bno_to_ext(
xfs_ifork_t *ifp, /* inode fork pointer */
xfs_fileoff_t bno, /* block number to search for */
xfs_extnum_t *idxp) /* index of target extent */
{
xfs_bmbt_rec_t *base; /* pointer to first extent */
xfs_bmbt_rec_host_t *base; /* pointer to first extent */
xfs_filblks_t blockcount = 0; /* number of blocks in extent */
xfs_bmbt_rec_t *ep = NULL; /* pointer to target extent */
xfs_bmbt_rec_host_t *ep = NULL; /* pointer to target extent */
xfs_ext_irec_t *erp = NULL; /* indirection array pointer */
int high; /* upper boundary in search */
xfs_extnum_t idx = 0; /* index of target extent */
@ -4545,8 +4532,7 @@ xfs_iext_irec_init(
kmem_alloc(sizeof(xfs_ext_irec_t), KM_SLEEP);
if (nextents == 0) {
ifp->if_u1.if_extents = (xfs_bmbt_rec_t *)
kmem_alloc(XFS_IEXT_BUFSZ, KM_SLEEP);
ifp->if_u1.if_extents = kmem_alloc(XFS_IEXT_BUFSZ, KM_SLEEP);
} else if (!ifp->if_real_bytes) {
xfs_iext_inline_to_direct(ifp, XFS_IEXT_BUFSZ);
} else if (ifp->if_real_bytes < XFS_IEXT_BUFSZ) {
@ -4594,8 +4580,7 @@ xfs_iext_irec_new(
/* Initialize new extent record */
erp = ifp->if_u1.if_ext_irec;
erp[erp_idx].er_extbuf = (xfs_bmbt_rec_t *)
kmem_alloc(XFS_IEXT_BUFSZ, KM_SLEEP);
erp[erp_idx].er_extbuf = kmem_alloc(XFS_IEXT_BUFSZ, KM_SLEEP);
ifp->if_real_bytes = nlists * XFS_IEXT_BUFSZ;
memset(erp[erp_idx].er_extbuf, 0, XFS_IEXT_BUFSZ);
erp[erp_idx].er_extcount = 0;
@ -4727,7 +4712,7 @@ void
xfs_iext_irec_compact_full(
xfs_ifork_t *ifp) /* inode fork pointer */
{
xfs_bmbt_rec_t *ep, *ep_next; /* extent record pointers */
xfs_bmbt_rec_host_t *ep, *ep_next; /* extent record pointers */
xfs_ext_irec_t *erp, *erp_next; /* extent irec pointers */
int erp_idx = 0; /* extent irec index */
int ext_avail; /* empty entries in ex list */

10
fs/xfs/xfs_inode.h
View File

@ -44,7 +44,7 @@
* it is possible that a third level of indirection may be required.
*/
typedef struct xfs_ext_irec {
xfs_bmbt_rec_t *er_extbuf; /* block of extent records */
xfs_bmbt_rec_host_t *er_extbuf; /* block of extent records */
xfs_extnum_t er_extoff; /* extent offset in file */
xfs_extnum_t er_extcount; /* number of extents in page/block */
} xfs_ext_irec_t;
@ -65,12 +65,12 @@ typedef struct xfs_ifork {
unsigned char if_ext_max; /* max # of extent records */
xfs_extnum_t if_lastex; /* last if_extents used */
union {
xfs_bmbt_rec_t *if_extents; /* linear map file exts */
xfs_bmbt_rec_host_t *if_extents;/* linear map file exts */
xfs_ext_irec_t *if_ext_irec; /* irec map file exts */
char *if_data; /* inline file data */
} if_u1;
union {
xfs_bmbt_rec_t if_inline_ext[XFS_INLINE_EXTS];
xfs_bmbt_rec_host_t if_inline_ext[XFS_INLINE_EXTS];
/* very small file extents */
char if_inline_data[XFS_INLINE_DATA];
/* very small file data */
@ -549,7 +549,7 @@ xfs_inode_t *xfs_vtoi(struct bhv_vnode *vp);
void xfs_synchronize_atime(xfs_inode_t *);
xfs_bmbt_rec_t *xfs_iext_get_ext(xfs_ifork_t *, xfs_extnum_t);
xfs_bmbt_rec_host_t *xfs_iext_get_ext(xfs_ifork_t *, xfs_extnum_t);
void xfs_iext_insert(xfs_ifork_t *, xfs_extnum_t, xfs_extnum_t,
xfs_bmbt_irec_t *);
void xfs_iext_add(xfs_ifork_t *, xfs_extnum_t, int);
@ -564,7 +564,7 @@ void xfs_iext_indirect_to_direct(xfs_ifork_t *);
void xfs_iext_direct_to_inline(xfs_ifork_t *, xfs_extnum_t);
void xfs_iext_inline_to_direct(xfs_ifork_t *, int);
void xfs_iext_destroy(xfs_ifork_t *);
xfs_bmbt_rec_t *xfs_iext_bno_to_ext(xfs_ifork_t *, xfs_fileoff_t, int *);
xfs_bmbt_rec_host_t *xfs_iext_bno_to_ext(xfs_ifork_t *, xfs_fileoff_t, int *);
xfs_ext_irec_t *xfs_iext_bno_to_irec(xfs_ifork_t *, xfs_fileoff_t, int *);
xfs_ext_irec_t *xfs_iext_idx_to_irec(xfs_ifork_t *, xfs_extnum_t *, int *, int);
void xfs_iext_irec_init(xfs_ifork_t *);