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path: root/fs/xfs/libxfs/xfs_bmap.c
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Diffstat (limited to 'fs/xfs/libxfs/xfs_bmap.c')
-rw-r--r--fs/xfs/libxfs/xfs_bmap.c257
1 files changed, 109 insertions, 148 deletions
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index 4dccd4d90622..49d0d4ea63fc 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -52,19 +52,17 @@ xfs_bmap_compute_maxlevels(
xfs_mount_t *mp, /* file system mount structure */
int whichfork) /* data or attr fork */
{
+ uint64_t maxblocks; /* max blocks at this level */
+ xfs_extnum_t maxleafents; /* max leaf entries possible */
int level; /* btree level */
- uint maxblocks; /* max blocks at this level */
- uint maxleafents; /* max leaf entries possible */
int maxrootrecs; /* max records in root block */
int minleafrecs; /* min records in leaf block */
int minnoderecs; /* min records in node block */
int sz; /* root block size */
/*
- * The maximum number of extents in a file, hence the maximum number of
- * leaf entries, is controlled by the size of the on-disk extent count,
- * either a signed 32-bit number for the data fork, or a signed 16-bit
- * number for the attr fork.
+ * The maximum number of extents in a fork, hence the maximum number of
+ * leaf entries, is controlled by the size of the on-disk extent count.
*
* Note that we can no longer assume that if we are in ATTR1 that the
* fork offset of all the inodes will be
@@ -74,22 +72,22 @@ xfs_bmap_compute_maxlevels(
* ATTR2 we have to assume the worst case scenario of a minimum size
* available.
*/
- if (whichfork == XFS_DATA_FORK) {
- maxleafents = MAXEXTNUM;
+ maxleafents = xfs_iext_max_nextents(xfs_has_large_extent_counts(mp),
+ whichfork);
+ if (whichfork == XFS_DATA_FORK)
sz = XFS_BMDR_SPACE_CALC(MINDBTPTRS);
- } else {
- maxleafents = MAXAEXTNUM;
+ else
sz = XFS_BMDR_SPACE_CALC(MINABTPTRS);
- }
+
maxrootrecs = xfs_bmdr_maxrecs(sz, 0);
minleafrecs = mp->m_bmap_dmnr[0];
minnoderecs = mp->m_bmap_dmnr[1];
- maxblocks = (maxleafents + minleafrecs - 1) / minleafrecs;
+ maxblocks = howmany_64(maxleafents, minleafrecs);
for (level = 1; maxblocks > 1; level++) {
if (maxblocks <= maxrootrecs)
maxblocks = 1;
else
- maxblocks = (maxblocks + minnoderecs - 1) / minnoderecs;
+ maxblocks = howmany_64(maxblocks, minnoderecs);
}
mp->m_bm_maxlevels[whichfork] = level;
ASSERT(mp->m_bm_maxlevels[whichfork] <= xfs_bmbt_maxlevels_ondisk());
@@ -130,7 +128,7 @@ xfs_bmbt_lookup_first(
*/
static inline bool xfs_bmap_needs_btree(struct xfs_inode *ip, int whichfork)
{
- struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork);
+ struct xfs_ifork *ifp = xfs_ifork_ptr(ip, whichfork);
return whichfork != XFS_COW_FORK &&
ifp->if_format == XFS_DINODE_FMT_EXTENTS &&
@@ -142,7 +140,7 @@ static inline bool xfs_bmap_needs_btree(struct xfs_inode *ip, int whichfork)
*/
static inline bool xfs_bmap_wants_extents(struct xfs_inode *ip, int whichfork)
{
- struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork);
+ struct xfs_ifork *ifp = xfs_ifork_ptr(ip, whichfork);
return whichfork != XFS_COW_FORK &&
ifp->if_format == XFS_DINODE_FMT_BTREE &&
@@ -296,7 +294,7 @@ xfs_check_block(
else
thispa = XFS_BMBT_PTR_ADDR(mp, block, j, dmxr);
if (*thispa == *pp) {
- xfs_warn(mp, "%s: thispa(%d) == pp(%d) %Ld",
+ xfs_warn(mp, "%s: thispa(%d) == pp(%d) %lld",
__func__, j, i,
(unsigned long long)be64_to_cpu(*thispa));
xfs_err(mp, "%s: ptrs are equal in node\n",
@@ -321,7 +319,7 @@ xfs_bmap_check_leaf_extents(
int whichfork) /* data or attr fork */
{
struct xfs_mount *mp = ip->i_mount;
- struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork);
+ struct xfs_ifork *ifp = xfs_ifork_ptr(ip, whichfork);
struct xfs_btree_block *block; /* current btree block */
xfs_fsblock_t bno; /* block # of "block" */
struct xfs_buf *bp; /* buffer for "block" */
@@ -468,7 +466,7 @@ error0:
if (bp_release)
xfs_trans_brelse(NULL, bp);
error_norelse:
- xfs_warn(mp, "%s: BAD after btree leaves for %d extents",
+ xfs_warn(mp, "%s: BAD after btree leaves for %llu extents",
__func__, i);
xfs_err(mp, "%s: CORRUPTED BTREE OR SOMETHING", __func__);
xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE);
@@ -485,7 +483,7 @@ STATIC void
xfs_bmap_validate_ret(
xfs_fileoff_t bno,
xfs_filblks_t len,
- int flags,
+ uint32_t flags,
xfs_bmbt_irec_t *mval,
int nmap,
int ret_nmap)
@@ -540,7 +538,7 @@ xfs_bmap_btree_to_extents(
int *logflagsp, /* inode logging flags */
int whichfork) /* data or attr fork */
{
- struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork);
+ struct xfs_ifork *ifp = xfs_ifork_ptr(ip, whichfork);
struct xfs_mount *mp = ip->i_mount;
struct xfs_btree_block *rblock = ifp->if_broot;
struct xfs_btree_block *cblock;/* child btree block */
@@ -618,7 +616,7 @@ xfs_bmap_extents_to_btree(
mp = ip->i_mount;
ASSERT(whichfork != XFS_COW_FORK);
- ifp = XFS_IFORK_PTR(ip, whichfork);
+ ifp = xfs_ifork_ptr(ip, whichfork);
ASSERT(ifp->if_format == XFS_DINODE_FMT_EXTENTS);
/*
@@ -747,7 +745,7 @@ xfs_bmap_local_to_extents_empty(
struct xfs_inode *ip,
int whichfork)
{
- struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork);
+ struct xfs_ifork *ifp = xfs_ifork_ptr(ip, whichfork);
ASSERT(whichfork != XFS_COW_FORK);
ASSERT(ifp->if_format == XFS_DINODE_FMT_LOCAL);
@@ -787,7 +785,7 @@ xfs_bmap_local_to_extents(
* So sending the data fork of a regular inode is invalid.
*/
ASSERT(!(S_ISREG(VFS_I(ip)->i_mode) && whichfork == XFS_DATA_FORK));
- ifp = XFS_IFORK_PTR(ip, whichfork);
+ ifp = xfs_ifork_ptr(ip, whichfork);
ASSERT(ifp->if_format == XFS_DINODE_FMT_LOCAL);
if (!ifp->if_bytes) {
@@ -882,7 +880,7 @@ xfs_bmap_add_attrfork_btree(
mp = ip->i_mount;
- if (XFS_BMAP_BMDR_SPACE(block) <= XFS_IFORK_DSIZE(ip))
+ if (XFS_BMAP_BMDR_SPACE(block) <= xfs_inode_data_fork_size(ip))
*flags |= XFS_ILOG_DBROOT;
else {
cur = xfs_bmbt_init_cursor(mp, tp, ip, XFS_DATA_FORK);
@@ -922,7 +920,7 @@ xfs_bmap_add_attrfork_extents(
int error; /* error return value */
if (ip->i_df.if_nextents * sizeof(struct xfs_bmbt_rec) <=
- XFS_IFORK_DSIZE(ip))
+ xfs_inode_data_fork_size(ip))
return 0;
cur = NULL;
error = xfs_bmap_extents_to_btree(tp, ip, &cur, 0, flags,
@@ -953,7 +951,7 @@ xfs_bmap_add_attrfork_local(
{
struct xfs_da_args dargs; /* args for dir/attr code */
- if (ip->i_df.if_bytes <= XFS_IFORK_DSIZE(ip))
+ if (ip->i_df.if_bytes <= xfs_inode_data_fork_size(ip))
return 0;
if (S_ISDIR(VFS_I(ip)->i_mode)) {
@@ -1025,7 +1023,7 @@ xfs_bmap_add_attrfork(
int logflags; /* logging flags */
int error; /* error return value */
- ASSERT(XFS_IFORK_Q(ip) == 0);
+ ASSERT(xfs_inode_has_attr_fork(ip) == 0);
mp = ip->i_mount;
ASSERT(!XFS_NOT_DQATTACHED(mp, ip));
@@ -1036,16 +1034,15 @@ xfs_bmap_add_attrfork(
rsvd, &tp);
if (error)
return error;
- if (XFS_IFORK_Q(ip))
+ if (xfs_inode_has_attr_fork(ip))
goto trans_cancel;
xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
error = xfs_bmap_set_attrforkoff(ip, size, &version);
if (error)
goto trans_cancel;
- ASSERT(ip->i_afp == NULL);
- ip->i_afp = xfs_ifork_alloc(XFS_DINODE_FMT_EXTENTS, 0);
+ xfs_ifork_init_attr(ip, XFS_DINODE_FMT_EXTENTS, 0);
logflags = 0;
switch (ip->i_df.if_format) {
case XFS_DINODE_FMT_LOCAL:
@@ -1118,7 +1115,7 @@ xfs_iread_bmbt_block(
xfs_extnum_t num_recs;
xfs_extnum_t j;
int whichfork = cur->bc_ino.whichfork;
- struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork);
+ struct xfs_ifork *ifp = xfs_ifork_ptr(ip, whichfork);
block = xfs_btree_get_block(cur, level, &bp);
@@ -1166,7 +1163,7 @@ xfs_iread_extents(
int whichfork)
{
struct xfs_iread_state ir;
- struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork);
+ struct xfs_ifork *ifp = xfs_ifork_ptr(ip, whichfork);
struct xfs_mount *mp = ip->i_mount;
struct xfs_btree_cur *cur;
int error;
@@ -1210,7 +1207,7 @@ xfs_bmap_first_unused(
xfs_fileoff_t *first_unused, /* unused block */
int whichfork) /* data or attr fork */
{
- struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork);
+ struct xfs_ifork *ifp = xfs_ifork_ptr(ip, whichfork);
struct xfs_bmbt_irec got;
struct xfs_iext_cursor icur;
xfs_fileoff_t lastaddr = 0;
@@ -1257,7 +1254,7 @@ xfs_bmap_last_before(
xfs_fileoff_t *last_block, /* last block */
int whichfork) /* data or attr fork */
{
- struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork);
+ struct xfs_ifork *ifp = xfs_ifork_ptr(ip, whichfork);
struct xfs_bmbt_irec got;
struct xfs_iext_cursor icur;
int error;
@@ -1291,7 +1288,7 @@ xfs_bmap_last_extent(
struct xfs_bmbt_irec *rec,
int *is_empty)
{
- struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork);
+ struct xfs_ifork *ifp = xfs_ifork_ptr(ip, whichfork);
struct xfs_iext_cursor icur;
int error;
@@ -1357,7 +1354,7 @@ xfs_bmap_last_offset(
xfs_fileoff_t *last_block,
int whichfork)
{
- struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork);
+ struct xfs_ifork *ifp = xfs_ifork_ptr(ip, whichfork);
struct xfs_bmbt_irec rec;
int is_empty;
int error;
@@ -1391,7 +1388,7 @@ xfs_bmap_add_extent_delay_real(
int whichfork)
{
struct xfs_mount *mp = bma->ip->i_mount;
- struct xfs_ifork *ifp = XFS_IFORK_PTR(bma->ip, whichfork);
+ struct xfs_ifork *ifp = xfs_ifork_ptr(bma->ip, whichfork);
struct xfs_bmbt_irec *new = &bma->got;
int error; /* error return value */
int i; /* temp state */
@@ -1399,7 +1396,7 @@ xfs_bmap_add_extent_delay_real(
xfs_bmbt_irec_t r[3]; /* neighbor extent entries */
/* left is 0, right is 1, prev is 2 */
int rval=0; /* return value (logging flags) */
- int state = xfs_bmap_fork_to_state(whichfork);
+ uint32_t state = xfs_bmap_fork_to_state(whichfork);
xfs_filblks_t da_new; /* new count del alloc blocks used */
xfs_filblks_t da_old; /* old count del alloc blocks used */
xfs_filblks_t temp=0; /* value for da_new calculations */
@@ -1452,7 +1449,7 @@ xfs_bmap_add_extent_delay_real(
LEFT.br_startoff + LEFT.br_blockcount == new->br_startoff &&
LEFT.br_startblock + LEFT.br_blockcount == new->br_startblock &&
LEFT.br_state == new->br_state &&
- LEFT.br_blockcount + new->br_blockcount <= MAXEXTLEN)
+ LEFT.br_blockcount + new->br_blockcount <= XFS_MAX_BMBT_EXTLEN)
state |= BMAP_LEFT_CONTIG;
/*
@@ -1470,13 +1467,13 @@ xfs_bmap_add_extent_delay_real(
new_endoff == RIGHT.br_startoff &&
new->br_startblock + new->br_blockcount == RIGHT.br_startblock &&
new->br_state == RIGHT.br_state &&
- new->br_blockcount + RIGHT.br_blockcount <= MAXEXTLEN &&
+ new->br_blockcount + RIGHT.br_blockcount <= XFS_MAX_BMBT_EXTLEN &&
((state & (BMAP_LEFT_CONTIG | BMAP_LEFT_FILLING |
BMAP_RIGHT_FILLING)) !=
(BMAP_LEFT_CONTIG | BMAP_LEFT_FILLING |
BMAP_RIGHT_FILLING) ||
LEFT.br_blockcount + new->br_blockcount + RIGHT.br_blockcount
- <= MAXEXTLEN))
+ <= XFS_MAX_BMBT_EXTLEN))
state |= BMAP_RIGHT_CONTIG;
error = 0;
@@ -1950,14 +1947,14 @@ xfs_bmap_add_extent_unwritten_real(
xfs_bmbt_irec_t r[3]; /* neighbor extent entries */
/* left is 0, right is 1, prev is 2 */
int rval=0; /* return value (logging flags) */
- int state = xfs_bmap_fork_to_state(whichfork);
+ uint32_t state = xfs_bmap_fork_to_state(whichfork);
struct xfs_mount *mp = ip->i_mount;
struct xfs_bmbt_irec old;
*logflagsp = 0;
cur = *curp;
- ifp = XFS_IFORK_PTR(ip, whichfork);
+ ifp = xfs_ifork_ptr(ip, whichfork);
ASSERT(!isnullstartblock(new->br_startblock));
@@ -2000,7 +1997,7 @@ xfs_bmap_add_extent_unwritten_real(
LEFT.br_startoff + LEFT.br_blockcount == new->br_startoff &&
LEFT.br_startblock + LEFT.br_blockcount == new->br_startblock &&
LEFT.br_state == new->br_state &&
- LEFT.br_blockcount + new->br_blockcount <= MAXEXTLEN)
+ LEFT.br_blockcount + new->br_blockcount <= XFS_MAX_BMBT_EXTLEN)
state |= BMAP_LEFT_CONTIG;
/*
@@ -2018,13 +2015,13 @@ xfs_bmap_add_extent_unwritten_real(
new_endoff == RIGHT.br_startoff &&
new->br_startblock + new->br_blockcount == RIGHT.br_startblock &&
new->br_state == RIGHT.br_state &&
- new->br_blockcount + RIGHT.br_blockcount <= MAXEXTLEN &&
+ new->br_blockcount + RIGHT.br_blockcount <= XFS_MAX_BMBT_EXTLEN &&
((state & (BMAP_LEFT_CONTIG | BMAP_LEFT_FILLING |
BMAP_RIGHT_FILLING)) !=
(BMAP_LEFT_CONTIG | BMAP_LEFT_FILLING |
BMAP_RIGHT_FILLING) ||
LEFT.br_blockcount + new->br_blockcount + RIGHT.br_blockcount
- <= MAXEXTLEN))
+ <= XFS_MAX_BMBT_EXTLEN))
state |= BMAP_RIGHT_CONTIG;
/*
@@ -2479,10 +2476,10 @@ xfs_bmap_add_extent_hole_delay(
xfs_filblks_t newlen=0; /* new indirect size */
xfs_filblks_t oldlen=0; /* old indirect size */
xfs_bmbt_irec_t right; /* right neighbor extent entry */
- int state = xfs_bmap_fork_to_state(whichfork);
+ uint32_t state = xfs_bmap_fork_to_state(whichfork);
xfs_filblks_t temp; /* temp for indirect calculations */
- ifp = XFS_IFORK_PTR(ip, whichfork);
+ ifp = xfs_ifork_ptr(ip, whichfork);
ASSERT(isnullstartblock(new->br_startblock));
/*
@@ -2510,15 +2507,15 @@ xfs_bmap_add_extent_hole_delay(
*/
if ((state & BMAP_LEFT_VALID) && (state & BMAP_LEFT_DELAY) &&
left.br_startoff + left.br_blockcount == new->br_startoff &&
- left.br_blockcount + new->br_blockcount <= MAXEXTLEN)
+ left.br_blockcount + new->br_blockcount <= XFS_MAX_BMBT_EXTLEN)
state |= BMAP_LEFT_CONTIG;
if ((state & BMAP_RIGHT_VALID) && (state & BMAP_RIGHT_DELAY) &&
new->br_startoff + new->br_blockcount == right.br_startoff &&
- new->br_blockcount + right.br_blockcount <= MAXEXTLEN &&
+ new->br_blockcount + right.br_blockcount <= XFS_MAX_BMBT_EXTLEN &&
(!(state & BMAP_LEFT_CONTIG) ||
(left.br_blockcount + new->br_blockcount +
- right.br_blockcount <= MAXEXTLEN)))
+ right.br_blockcount <= XFS_MAX_BMBT_EXTLEN)))
state |= BMAP_RIGHT_CONTIG;
/*
@@ -2616,9 +2613,9 @@ xfs_bmap_add_extent_hole_real(
struct xfs_btree_cur **curp,
struct xfs_bmbt_irec *new,
int *logflagsp,
- int flags)
+ uint32_t flags)
{
- struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork);
+ struct xfs_ifork *ifp = xfs_ifork_ptr(ip, whichfork);
struct xfs_mount *mp = ip->i_mount;
struct xfs_btree_cur *cur = *curp;
int error; /* error return value */
@@ -2626,7 +2623,7 @@ xfs_bmap_add_extent_hole_real(
xfs_bmbt_irec_t left; /* left neighbor extent entry */
xfs_bmbt_irec_t right; /* right neighbor extent entry */
int rval=0; /* return value (logging flags) */
- int state = xfs_bmap_fork_to_state(whichfork);
+ uint32_t state = xfs_bmap_fork_to_state(whichfork);
struct xfs_bmbt_irec old;
ASSERT(!isnullstartblock(new->br_startblock));
@@ -2661,17 +2658,17 @@ xfs_bmap_add_extent_hole_real(
left.br_startoff + left.br_blockcount == new->br_startoff &&
left.br_startblock + left.br_blockcount == new->br_startblock &&
left.br_state == new->br_state &&
- left.br_blockcount + new->br_blockcount <= MAXEXTLEN)
+ left.br_blockcount + new->br_blockcount <= XFS_MAX_BMBT_EXTLEN)
state |= BMAP_LEFT_CONTIG;
if ((state & BMAP_RIGHT_VALID) && !(state & BMAP_RIGHT_DELAY) &&
new->br_startoff + new->br_blockcount == right.br_startoff &&
new->br_startblock + new->br_blockcount == right.br_startblock &&
new->br_state == right.br_state &&
- new->br_blockcount + right.br_blockcount <= MAXEXTLEN &&
+ new->br_blockcount + right.br_blockcount <= XFS_MAX_BMBT_EXTLEN &&
(!(state & BMAP_LEFT_CONTIG) ||
left.br_blockcount + new->br_blockcount +
- right.br_blockcount <= MAXEXTLEN))
+ right.br_blockcount <= XFS_MAX_BMBT_EXTLEN))
state |= BMAP_RIGHT_CONTIG;
error = 0;
@@ -2906,15 +2903,15 @@ xfs_bmap_extsize_align(
/*
* For large extent hint sizes, the aligned extent might be larger than
- * MAXEXTLEN. In that case, reduce the size by an extsz so that it pulls
- * the length back under MAXEXTLEN. The outer allocation loops handle
- * short allocation just fine, so it is safe to do this. We only want to
- * do it when we are forced to, though, because it means more allocation
- * operations are required.
+ * XFS_BMBT_MAX_EXTLEN. In that case, reduce the size by an extsz so
+ * that it pulls the length back under XFS_BMBT_MAX_EXTLEN. The outer
+ * allocation loops handle short allocation just fine, so it is safe to
+ * do this. We only want to do it when we are forced to, though, because
+ * it means more allocation operations are required.
*/
- while (align_alen > MAXEXTLEN)
+ while (align_alen > XFS_MAX_BMBT_EXTLEN)
align_alen -= extsz;
- ASSERT(align_alen <= MAXEXTLEN);
+ ASSERT(align_alen <= XFS_MAX_BMBT_EXTLEN);
/*
* If the previous block overlaps with this proposed allocation
@@ -3004,9 +3001,9 @@ xfs_bmap_extsize_align(
return -EINVAL;
} else {
ASSERT(orig_off >= align_off);
- /* see MAXEXTLEN handling above */
+ /* see XFS_BMBT_MAX_EXTLEN handling above */
ASSERT(orig_end <= align_off + align_alen ||
- align_alen + extsz > MAXEXTLEN);
+ align_alen + extsz > XFS_MAX_BMBT_EXTLEN);
}
#ifdef DEBUG
@@ -3187,7 +3184,8 @@ xfs_bmap_longest_free_extent(
pag = xfs_perag_get(mp, ag);
if (!pag->pagf_init) {
- error = xfs_alloc_pagf_init(mp, tp, ag, XFS_ALLOC_FLAG_TRYLOCK);
+ error = xfs_alloc_read_agf(pag, tp, XFS_ALLOC_FLAG_TRYLOCK,
+ NULL);
if (error) {
/* Couldn't lock the AGF, so skip this AG. */
if (error == -EAGAIN) {
@@ -3766,7 +3764,7 @@ xfs_bmapi_trim_map(
xfs_fileoff_t obno,
xfs_fileoff_t end,
int n,
- int flags)
+ uint32_t flags)
{
if ((flags & XFS_BMAPI_ENTIRE) ||
got->br_startoff + got->br_blockcount <= obno) {
@@ -3811,7 +3809,7 @@ xfs_bmapi_update_map(
xfs_fileoff_t obno,
xfs_fileoff_t end,
int *n,
- int flags)
+ uint32_t flags)
{
xfs_bmbt_irec_t *mval = *map;
@@ -3864,11 +3862,11 @@ xfs_bmapi_read(
xfs_filblks_t len,
struct xfs_bmbt_irec *mval,
int *nmap,
- int flags)
+ uint32_t flags)
{
struct xfs_mount *mp = ip->i_mount;
int whichfork = xfs_bmapi_whichfork(flags);
- struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork);
+ struct xfs_ifork *ifp = xfs_ifork_ptr(ip, whichfork);
struct xfs_bmbt_irec got;
xfs_fileoff_t obno;
xfs_fileoff_t end;
@@ -3961,7 +3959,7 @@ xfs_bmapi_reserve_delalloc(
int eof)
{
struct xfs_mount *mp = ip->i_mount;
- struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork);
+ struct xfs_ifork *ifp = xfs_ifork_ptr(ip, whichfork);
xfs_extlen_t alen;
xfs_extlen_t indlen;
int error;
@@ -3971,7 +3969,7 @@ xfs_bmapi_reserve_delalloc(
* Cap the alloc length. Keep track of prealloc so we know whether to
* tag the inode before we return.
*/
- alen = XFS_FILBLKS_MIN(len + prealloc, MAXEXTLEN);
+ alen = XFS_FILBLKS_MIN(len + prealloc, XFS_MAX_BMBT_EXTLEN);
if (!eof)
alen = XFS_FILBLKS_MIN(alen, got->br_startoff - aoff);
if (prealloc && alen >= len)
@@ -4088,7 +4086,7 @@ xfs_bmapi_allocate(
{
struct xfs_mount *mp = bma->ip->i_mount;
int whichfork = xfs_bmapi_whichfork(bma->flags);
- struct xfs_ifork *ifp = XFS_IFORK_PTR(bma->ip, whichfork);
+ struct xfs_ifork *ifp = xfs_ifork_ptr(bma->ip, whichfork);
int tmp_logflags = 0;
int error;
@@ -4104,7 +4102,7 @@ xfs_bmapi_allocate(
if (!xfs_iext_peek_prev_extent(ifp, &bma->icur, &bma->prev))
bma->prev.br_startoff = NULLFILEOFF;
} else {
- bma->length = XFS_FILBLKS_MIN(bma->length, MAXEXTLEN);
+ bma->length = XFS_FILBLKS_MIN(bma->length, XFS_MAX_BMBT_EXTLEN);
if (!bma->eof)
bma->length = XFS_FILBLKS_MIN(bma->length,
bma->got.br_startoff - bma->offset);
@@ -4184,10 +4182,10 @@ xfs_bmapi_convert_unwritten(
struct xfs_bmalloca *bma,
struct xfs_bmbt_irec *mval,
xfs_filblks_t len,
- int flags)
+ uint32_t flags)
{
int whichfork = xfs_bmapi_whichfork(flags);
- struct xfs_ifork *ifp = XFS_IFORK_PTR(bma->ip, whichfork);
+ struct xfs_ifork *ifp = xfs_ifork_ptr(bma->ip, whichfork);
int tmp_logflags = 0;
int error;
@@ -4264,7 +4262,7 @@ xfs_bmapi_minleft(
struct xfs_inode *ip,
int fork)
{
- struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, fork);
+ struct xfs_ifork *ifp = xfs_ifork_ptr(ip, fork);
if (tp && tp->t_firstblock != NULLFSBLOCK)
return 0;
@@ -4285,7 +4283,7 @@ xfs_bmapi_finish(
int whichfork,
int error)
{
- struct xfs_ifork *ifp = XFS_IFORK_PTR(bma->ip, whichfork);
+ struct xfs_ifork *ifp = xfs_ifork_ptr(bma->ip, whichfork);
if ((bma->logflags & xfs_ilog_fext(whichfork)) &&
ifp->if_format != XFS_DINODE_FMT_EXTENTS)
@@ -4312,7 +4310,7 @@ xfs_bmapi_write(
struct xfs_inode *ip, /* incore inode */
xfs_fileoff_t bno, /* starting file offs. mapped */
xfs_filblks_t len, /* length to map in file */
- int flags, /* XFS_BMAPI_... */
+ uint32_t flags, /* XFS_BMAPI_... */
xfs_extlen_t total, /* total blocks needed */
struct xfs_bmbt_irec *mval, /* output: map values */
int *nmap) /* i/o: mval size/count */
@@ -4324,7 +4322,7 @@ xfs_bmapi_write(
};
struct xfs_mount *mp = ip->i_mount;
int whichfork = xfs_bmapi_whichfork(flags);
- struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork);
+ struct xfs_ifork *ifp = xfs_ifork_ptr(ip, whichfork);
xfs_fileoff_t end; /* end of mapped file region */
bool eof = false; /* after the end of extents */
int error; /* error return */
@@ -4424,8 +4422,8 @@ xfs_bmapi_write(
* xfs_extlen_t and therefore 32 bits. Hence we have to
* check for 32-bit overflows and handle them here.
*/
- if (len > (xfs_filblks_t)MAXEXTLEN)
- bma.length = MAXEXTLEN;
+ if (len > (xfs_filblks_t)XFS_MAX_BMBT_EXTLEN)
+ bma.length = XFS_MAX_BMBT_EXTLEN;
else
bma.length = len;
@@ -4505,7 +4503,7 @@ xfs_bmapi_convert_delalloc(
struct iomap *iomap,
unsigned int *seq)
{
- struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork);
+ struct xfs_ifork *ifp = xfs_ifork_ptr(ip, whichfork);
struct xfs_mount *mp = ip->i_mount;
xfs_fileoff_t offset_fsb = XFS_B_TO_FSBT(mp, offset);
struct xfs_bmalloca bma = { NULL };
@@ -4526,14 +4524,16 @@ xfs_bmapi_convert_delalloc(
return error;
xfs_ilock(ip, XFS_ILOCK_EXCL);
+ xfs_trans_ijoin(tp, ip, 0);
error = xfs_iext_count_may_overflow(ip, whichfork,
XFS_IEXT_ADD_NOSPLIT_CNT);
+ if (error == -EFBIG)
+ error = xfs_iext_count_upgrade(tp, ip,
+ XFS_IEXT_ADD_NOSPLIT_CNT);
if (error)
goto out_trans_cancel;
- xfs_trans_ijoin(tp, ip, 0);
-
if (!xfs_iext_lookup_extent(ip, ifp, offset_fsb, &bma.icur, &bma.got) ||
bma.got.br_startoff > offset_fsb) {
/*
@@ -4551,7 +4551,7 @@ xfs_bmapi_convert_delalloc(
* the extent. Just return the real extent at this offset.
*/
if (!isnullstartblock(bma.got.br_startblock)) {
- xfs_bmbt_to_iomap(ip, iomap, &bma.got, flags);
+ xfs_bmbt_to_iomap(ip, iomap, &bma.got, 0, flags);
*seq = READ_ONCE(ifp->if_seq);
goto out_trans_cancel;
}
@@ -4560,7 +4560,8 @@ xfs_bmapi_convert_delalloc(
bma.ip = ip;
bma.wasdel = true;
bma.offset = bma.got.br_startoff;
- bma.length = max_t(xfs_filblks_t, bma.got.br_blockcount, MAXEXTLEN);
+ bma.length = max_t(xfs_filblks_t, bma.got.br_blockcount,
+ XFS_MAX_BMBT_EXTLEN);
bma.minleft = xfs_bmapi_minleft(tp, ip, whichfork);
/*
@@ -4598,7 +4599,7 @@ xfs_bmapi_convert_delalloc(
XFS_STATS_INC(mp, xs_xstrat_quick);
ASSERT(!isnullstartblock(bma.got.br_startblock));
- xfs_bmbt_to_iomap(ip, iomap, &bma.got, flags);
+ xfs_bmbt_to_iomap(ip, iomap, &bma.got, 0, flags);
*seq = READ_ONCE(ifp->if_seq);
if (whichfork == XFS_COW_FORK)
@@ -4629,7 +4630,7 @@ xfs_bmapi_remap(
xfs_fileoff_t bno,
xfs_filblks_t len,
xfs_fsblock_t startblock,
- int flags)
+ uint32_t flags)
{
struct xfs_mount *mp = ip->i_mount;
struct xfs_ifork *ifp;
@@ -4639,9 +4640,9 @@ xfs_bmapi_remap(
int whichfork = xfs_bmapi_whichfork(flags);
int logflags = 0, error;
- ifp = XFS_IFORK_PTR(ip, whichfork);
+ ifp = xfs_ifork_ptr(ip, whichfork);
ASSERT(len > 0);
- ASSERT(len <= (xfs_filblks_t)MAXEXTLEN);
+ ASSERT(len <= (xfs_filblks_t)XFS_MAX_BMBT_EXTLEN);
ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
ASSERT(!(flags & ~(XFS_BMAPI_ATTRFORK | XFS_BMAPI_PREALLOC |
XFS_BMAPI_NORMAP)));
@@ -4796,12 +4797,12 @@ xfs_bmap_del_extent_delay(
struct xfs_bmbt_irec *del)
{
struct xfs_mount *mp = ip->i_mount;
- struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork);
+ struct xfs_ifork *ifp = xfs_ifork_ptr(ip, whichfork);
struct xfs_bmbt_irec new;
int64_t da_old, da_new, da_diff = 0;
xfs_fileoff_t del_endoff, got_endoff;
xfs_filblks_t got_indlen, new_indlen, stolen;
- int state = xfs_bmap_fork_to_state(whichfork);
+ uint32_t state = xfs_bmap_fork_to_state(whichfork);
int error = 0;
bool isrt;
@@ -4923,10 +4924,10 @@ xfs_bmap_del_extent_cow(
struct xfs_bmbt_irec *del)
{
struct xfs_mount *mp = ip->i_mount;
- struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, XFS_COW_FORK);
+ struct xfs_ifork *ifp = xfs_ifork_ptr(ip, XFS_COW_FORK);
struct xfs_bmbt_irec new;
xfs_fileoff_t del_endoff, got_endoff;
- int state = BMAP_COWFORK;
+ uint32_t state = BMAP_COWFORK;
XFS_STATS_INC(mp, xs_del_exlist);
@@ -4999,7 +5000,7 @@ xfs_bmap_del_extent_real(
xfs_bmbt_irec_t *del, /* data to remove from extents */
int *logflagsp, /* inode logging flags */
int whichfork, /* data or attr fork */
- int bflags) /* bmapi flags */
+ uint32_t bflags) /* bmapi flags */
{
xfs_fsblock_t del_endblock=0; /* first block past del */
xfs_fileoff_t del_endoff; /* first offset past del */
@@ -5015,13 +5016,13 @@ xfs_bmap_del_extent_real(
xfs_bmbt_irec_t new; /* new record to be inserted */
/* REFERENCED */
uint qfield; /* quota field to update */
- int state = xfs_bmap_fork_to_state(whichfork);
+ uint32_t state = xfs_bmap_fork_to_state(whichfork);
struct xfs_bmbt_irec old;
mp = ip->i_mount;
XFS_STATS_INC(mp, xs_del_exlist);
- ifp = XFS_IFORK_PTR(ip, whichfork);
+ ifp = xfs_ifork_ptr(ip, whichfork);
ASSERT(del->br_blockcount > 0);
xfs_iext_get_extent(ifp, icur, &got);
ASSERT(got.br_startoff <= del->br_startoff);
@@ -5148,26 +5149,6 @@ xfs_bmap_del_extent_real(
* Deleting the middle of the extent.
*/
- /*
- * For directories, -ENOSPC is returned since a directory entry
- * remove operation must not fail due to low extent count
- * availability. -ENOSPC will be handled by higher layers of XFS
- * by letting the corresponding empty Data/Free blocks to linger
- * until a future remove operation. Dabtree blocks would be
- * swapped with the last block in the leaf space and then the
- * new last block will be unmapped.
- *
- * The above logic also applies to the source directory entry of
- * a rename operation.
- */
- error = xfs_iext_count_may_overflow(ip, whichfork, 1);
- if (error) {
- ASSERT(S_ISDIR(VFS_I(ip)->i_mode) &&
- whichfork == XFS_DATA_FORK);
- error = -ENOSPC;
- goto done;
- }
-
old = got;
got.br_blockcount = del->br_startoff - got.br_startoff;
@@ -5281,7 +5262,7 @@ __xfs_bunmapi(
struct xfs_inode *ip, /* incore inode */
xfs_fileoff_t start, /* first file offset deleted */
xfs_filblks_t *rlen, /* i/o: amount remaining */
- int flags, /* misc flags */
+ uint32_t flags, /* misc flags */
xfs_extnum_t nexts) /* number of extents max */
{
struct xfs_btree_cur *cur; /* bmap btree cursor */
@@ -5299,7 +5280,6 @@ __xfs_bunmapi(
int whichfork; /* data or attribute fork */
xfs_fsblock_t sum;
xfs_filblks_t len = *rlen; /* length to unmap in file */
- xfs_fileoff_t max_len;
xfs_fileoff_t end;
struct xfs_iext_cursor icur;
bool done = false;
@@ -5308,7 +5288,7 @@ __xfs_bunmapi(
whichfork = xfs_bmapi_whichfork(flags);
ASSERT(whichfork != XFS_COW_FORK);
- ifp = XFS_IFORK_PTR(ip, whichfork);
+ ifp = xfs_ifork_ptr(ip, whichfork);
if (XFS_IS_CORRUPT(mp, !xfs_ifork_has_extents(ifp)))
return -EFSCORRUPTED;
if (xfs_is_shutdown(mp))
@@ -5318,16 +5298,6 @@ __xfs_bunmapi(
ASSERT(len > 0);
ASSERT(nexts >= 0);
- /*
- * Guesstimate how many blocks we can unmap without running the risk of
- * blowing out the transaction with a mix of EFIs and reflink
- * adjustments.
- */
- if (tp && xfs_is_reflink_inode(ip) && whichfork == XFS_DATA_FORK)
- max_len = min(len, xfs_refcount_max_unmap(tp->t_log_res));
- else
- max_len = len;
-
error = xfs_iread_extents(tp, ip, whichfork);
if (error)
return error;
@@ -5366,7 +5336,7 @@ __xfs_bunmapi(
extno = 0;
while (end != (xfs_fileoff_t)-1 && end >= start &&
- (nexts == 0 || extno < nexts) && max_len > 0) {
+ (nexts == 0 || extno < nexts)) {
/*
* Is the found extent after a hole in which end lives?
* Just back up to the previous extent, if so.
@@ -5400,14 +5370,6 @@ __xfs_bunmapi(
if (del.br_startoff + del.br_blockcount > end + 1)
del.br_blockcount = end + 1 - del.br_startoff;
- /* How much can we safely unmap? */
- if (max_len < del.br_blockcount) {
- del.br_startoff += del.br_blockcount - max_len;
- if (!wasdel)
- del.br_startblock += del.br_blockcount - max_len;
- del.br_blockcount = max_len;
- }
-
if (!isrt)
goto delete;
@@ -5543,7 +5505,6 @@ delete:
if (error)
goto error0;
- max_len -= del.br_blockcount;
end = del.br_startoff - 1;
nodelete:
/*
@@ -5609,7 +5570,7 @@ xfs_bunmapi(
struct xfs_inode *ip,
xfs_fileoff_t bno,
xfs_filblks_t len,
- int flags,
+ uint32_t flags,
xfs_extnum_t nexts,
int *done)
{
@@ -5641,7 +5602,7 @@ xfs_bmse_can_merge(
if ((left->br_startoff + left->br_blockcount != startoff) ||
(left->br_startblock + left->br_blockcount != got->br_startblock) ||
(left->br_state != got->br_state) ||
- (left->br_blockcount + got->br_blockcount > MAXEXTLEN))
+ (left->br_blockcount + got->br_blockcount > XFS_MAX_BMBT_EXTLEN))
return false;
return true;
@@ -5668,7 +5629,7 @@ xfs_bmse_merge(
struct xfs_btree_cur *cur,
int *logflags) /* output */
{
- struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork);
+ struct xfs_ifork *ifp = xfs_ifork_ptr(ip, whichfork);
struct xfs_bmbt_irec new;
xfs_filblks_t blockcount;
int error, i;
@@ -5789,7 +5750,7 @@ xfs_bmap_collapse_extents(
{
int whichfork = XFS_DATA_FORK;
struct xfs_mount *mp = ip->i_mount;
- struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork);
+ struct xfs_ifork *ifp = xfs_ifork_ptr(ip, whichfork);
struct xfs_btree_cur *cur = NULL;
struct xfs_bmbt_irec got, prev;
struct xfs_iext_cursor icur;
@@ -5904,7 +5865,7 @@ xfs_bmap_insert_extents(
{
int whichfork = XFS_DATA_FORK;
struct xfs_mount *mp = ip->i_mount;
- struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork);
+ struct xfs_ifork *ifp = xfs_ifork_ptr(ip, whichfork);
struct xfs_btree_cur *cur = NULL;
struct xfs_bmbt_irec got, next;
struct xfs_iext_cursor icur;
@@ -6004,7 +5965,7 @@ xfs_bmap_split_extent(
xfs_fileoff_t split_fsb)
{
int whichfork = XFS_DATA_FORK;
- struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork);
+ struct xfs_ifork *ifp = xfs_ifork_ptr(ip, whichfork);
struct xfs_btree_cur *cur = NULL;
struct xfs_bmbt_irec got;
struct xfs_bmbt_irec new; /* split extent */
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.