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Diffstat (limited to 'fs/xfs/xfs_dir_leaf.c')
-rw-r--r--fs/xfs/xfs_dir_leaf.c127
1 files changed, 66 insertions, 61 deletions
diff --git a/fs/xfs/xfs_dir_leaf.c b/fs/xfs/xfs_dir_leaf.c
index 6a4d8caaba7b..e7121040cd9d 100644
--- a/fs/xfs/xfs_dir_leaf.c
+++ b/fs/xfs/xfs_dir_leaf.c
@@ -652,7 +652,7 @@ xfs_dir_leaf_to_shortform(xfs_da_args_t *iargs)
hdr = &leaf->hdr;
entry = &leaf->entries[0];
for (i = be16_to_cpu(hdr->count)-1; i >= 0; entry++, i--) {
- namest = XFS_DIR_LEAF_NAMESTRUCT(leaf, INT_GET(entry->nameidx, ARCH_CONVERT));
+ namest = XFS_DIR_LEAF_NAMESTRUCT(leaf, be16_to_cpu(entry->nameidx));
if ((entry->namelen == 2) &&
(namest->name[0] == '.') &&
(namest->name[1] == '.')) {
@@ -684,10 +684,10 @@ xfs_dir_leaf_to_shortform(xfs_da_args_t *iargs)
for (i = 0; i < be16_to_cpu(hdr->count); entry++, i++) {
if (!entry->nameidx)
continue;
- namest = XFS_DIR_LEAF_NAMESTRUCT(leaf, INT_GET(entry->nameidx, ARCH_CONVERT));
+ namest = XFS_DIR_LEAF_NAMESTRUCT(leaf, be16_to_cpu(entry->nameidx));
args.name = (char *)(namest->name);
args.namelen = entry->namelen;
- args.hashval = INT_GET(entry->hashval, ARCH_CONVERT);
+ args.hashval = be32_to_cpu(entry->hashval);
XFS_DIR_SF_GET_DIRINO(&namest->inumber, &args.inumber);
xfs_dir_shortform_addname(&args);
}
@@ -742,9 +742,7 @@ xfs_dir_leaf_to_node(xfs_da_args_t *args)
node = bp1->data;
leaf = bp2->data;
ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_DIR_LEAF_MAGIC);
- node->btree[0].hashval = cpu_to_be32(
- INT_GET(leaf->entries[
- be16_to_cpu(leaf->hdr.count)-1].hashval, ARCH_CONVERT));
+ node->btree[0].hashval = leaf->entries[be16_to_cpu(leaf->hdr.count)-1].hashval;
xfs_da_buf_done(bp2);
node->btree[0].before = cpu_to_be32(blkno);
node->hdr.count = cpu_to_be16(1);
@@ -970,8 +968,9 @@ xfs_dir_leaf_add_work(xfs_dabuf_t *bp, xfs_da_args_t *args, int index,
ASSERT(be16_to_cpu(map->size) < XFS_LBSIZE(mp));
be16_add(&map->size, -(XFS_DIR_LEAF_ENTSIZE_BYNAME(args->namelen)));
- INT_SET(entry->nameidx, ARCH_CONVERT, be16_to_cpu(map->base) + be16_to_cpu(map->size));
- INT_SET(entry->hashval, ARCH_CONVERT, args->hashval);
+ entry->nameidx = cpu_to_be16(be16_to_cpu(map->base) +
+ be16_to_cpu(map->size));
+ entry->hashval = cpu_to_be32(args->hashval);
entry->namelen = args->namelen;
xfs_da_log_buf(args->trans, bp,
XFS_DA_LOGRANGE(leaf, entry, sizeof(*entry)));
@@ -979,7 +978,7 @@ xfs_dir_leaf_add_work(xfs_dabuf_t *bp, xfs_da_args_t *args, int index,
/*
* Copy the string and inode number into the new space.
*/
- namest = XFS_DIR_LEAF_NAMESTRUCT(leaf, INT_GET(entry->nameidx, ARCH_CONVERT));
+ namest = XFS_DIR_LEAF_NAMESTRUCT(leaf, be16_to_cpu(entry->nameidx));
XFS_DIR_SF_PUT_DIRINO(&args->inumber, &namest->inumber);
memcpy(namest->name, args->name, args->namelen);
xfs_da_log_buf(args->trans, bp,
@@ -988,7 +987,7 @@ xfs_dir_leaf_add_work(xfs_dabuf_t *bp, xfs_da_args_t *args, int index,
/*
* Update the control info for this leaf node
*/
- if (INT_GET(entry->nameidx, ARCH_CONVERT) < be16_to_cpu(hdr->firstused))
+ if (be16_to_cpu(entry->nameidx) < be16_to_cpu(hdr->firstused))
hdr->firstused = entry->nameidx;
ASSERT(be16_to_cpu(hdr->firstused) >=
((be16_to_cpu(hdr->count)*sizeof(*entry))+sizeof(*hdr)));
@@ -1198,8 +1197,10 @@ xfs_dir_leaf_rebalance(xfs_da_state_t *state, xfs_da_state_blk_t *blk1,
/*
* Copy out last hashval in each block for B-tree code.
*/
- blk1->hashval = INT_GET(leaf1->entries[be16_to_cpu(leaf1->hdr.count)-1].hashval, ARCH_CONVERT);
- blk2->hashval = INT_GET(leaf2->entries[be16_to_cpu(leaf2->hdr.count)-1].hashval, ARCH_CONVERT);
+ blk1->hashval = be32_to_cpu(leaf1->entries[
+ be16_to_cpu(leaf1->hdr.count)-1].hashval);
+ blk2->hashval = be32_to_cpu(leaf2->entries[
+ be16_to_cpu(leaf2->hdr.count)-1].hashval);
/*
* Adjust the expected index for insertion.
@@ -1462,8 +1463,8 @@ xfs_dir_leaf_remove(xfs_trans_t *trans, xfs_dabuf_t *bp, int index)
ASSERT(be16_to_cpu(hdr->firstused) >=
((be16_to_cpu(hdr->count)*sizeof(*entry))+sizeof(*hdr)));
entry = &leaf->entries[index];
- ASSERT(INT_GET(entry->nameidx, ARCH_CONVERT) >= be16_to_cpu(hdr->firstused));
- ASSERT(INT_GET(entry->nameidx, ARCH_CONVERT) < XFS_LBSIZE(mp));
+ ASSERT(be16_to_cpu(entry->nameidx) >= be16_to_cpu(hdr->firstused));
+ ASSERT(be16_to_cpu(entry->nameidx) < XFS_LBSIZE(mp));
/*
* Scan through free region table:
@@ -1487,9 +1488,11 @@ xfs_dir_leaf_remove(xfs_trans_t *trans, xfs_dabuf_t *bp, int index)
be16_add(&map->size, entry_size);
}
- if ((be16_to_cpu(map->base) + be16_to_cpu(map->size)) == INT_GET(entry->nameidx, ARCH_CONVERT)) {
+ if ((be16_to_cpu(map->base) + be16_to_cpu(map->size)) ==
+ be16_to_cpu(entry->nameidx)) {
before = i;
- } else if (be16_to_cpu(map->base) == (INT_GET(entry->nameidx, ARCH_CONVERT) + entsize)) {
+ } else if (be16_to_cpu(map->base) ==
+ (be16_to_cpu(entry->nameidx) + entsize)) {
after = i;
} else if (be16_to_cpu(map->size) < tmp) {
tmp = be16_to_cpu(map->size);
@@ -1530,7 +1533,7 @@ xfs_dir_leaf_remove(xfs_trans_t *trans, xfs_dabuf_t *bp, int index)
/*
* Did we remove the first entry?
*/
- if (INT_GET(entry->nameidx, ARCH_CONVERT) == be16_to_cpu(hdr->firstused))
+ if (be16_to_cpu(entry->nameidx) == be16_to_cpu(hdr->firstused))
smallest = 1;
else
smallest = 0;
@@ -1538,7 +1541,7 @@ xfs_dir_leaf_remove(xfs_trans_t *trans, xfs_dabuf_t *bp, int index)
/*
* Compress the remaining entries and zero out the removed stuff.
*/
- namest = XFS_DIR_LEAF_NAMESTRUCT(leaf, INT_GET(entry->nameidx, ARCH_CONVERT));
+ namest = XFS_DIR_LEAF_NAMESTRUCT(leaf, be16_to_cpu(entry->nameidx));
memset((char *)namest, 0, entsize);
xfs_da_log_buf(trans, bp, XFS_DA_LOGRANGE(leaf, namest, entsize));
@@ -1561,11 +1564,11 @@ xfs_dir_leaf_remove(xfs_trans_t *trans, xfs_dabuf_t *bp, int index)
tmp = XFS_LBSIZE(mp);
entry = &leaf->entries[0];
for (i = be16_to_cpu(hdr->count)-1; i >= 0; entry++, i--) {
- ASSERT(INT_GET(entry->nameidx, ARCH_CONVERT) >=
+ ASSERT(be16_to_cpu(entry->nameidx) >=
be16_to_cpu(hdr->firstused));
- ASSERT(INT_GET(entry->nameidx, ARCH_CONVERT) < XFS_LBSIZE(mp));
- if (INT_GET(entry->nameidx, ARCH_CONVERT) < tmp)
- tmp = INT_GET(entry->nameidx, ARCH_CONVERT);
+ ASSERT(be16_to_cpu(entry->nameidx) < XFS_LBSIZE(mp));
+ if (be16_to_cpu(entry->nameidx) < tmp)
+ tmp = be16_to_cpu(entry->nameidx);
}
hdr->firstused = cpu_to_be16(tmp);
if (!hdr->firstused)
@@ -1617,7 +1620,8 @@ xfs_dir_leaf_unbalance(xfs_da_state_t *state, xfs_da_state_blk_t *drop_blk,
/*
* Save last hashval from dying block for later Btree fixup.
*/
- drop_blk->hashval = INT_GET(drop_leaf->entries[be16_to_cpu(drop_leaf->hdr.count)-1].hashval, ARCH_CONVERT);
+ drop_blk->hashval = be32_to_cpu(drop_leaf->entries[
+ be16_to_cpu(drop_leaf->hdr.count)-1].hashval);
/*
* Check if we need a temp buffer, or can we do it in place.
@@ -1676,7 +1680,8 @@ xfs_dir_leaf_unbalance(xfs_da_state_t *state, xfs_da_state_blk_t *drop_blk,
/*
* Copy out last hashval in each block for B-tree code.
*/
- save_blk->hashval = INT_GET(save_leaf->entries[be16_to_cpu(save_leaf->hdr.count)-1 ].hashval, ARCH_CONVERT);
+ save_blk->hashval = be32_to_cpu(save_leaf->entries[
+ be16_to_cpu(save_leaf->hdr.count)-1].hashval);
}
/*========================================================================
@@ -1716,30 +1721,32 @@ xfs_dir_leaf_lookup_int(xfs_dabuf_t *bp, xfs_da_args_t *args, int *index)
for (entry = &leaf->entries[probe]; span > 4;
entry = &leaf->entries[probe]) {
span /= 2;
- if (INT_GET(entry->hashval, ARCH_CONVERT) < hashval)
+ if (be32_to_cpu(entry->hashval) < hashval)
probe += span;
- else if (INT_GET(entry->hashval, ARCH_CONVERT) > hashval)
+ else if (be32_to_cpu(entry->hashval) > hashval)
probe -= span;
else
break;
}
ASSERT((probe >= 0) && \
((!leaf->hdr.count) || (probe < be16_to_cpu(leaf->hdr.count))));
- ASSERT((span <= 4) || (INT_GET(entry->hashval, ARCH_CONVERT) == hashval));
+ ASSERT((span <= 4) || (be32_to_cpu(entry->hashval) == hashval));
/*
* Since we may have duplicate hashval's, find the first matching
* hashval in the leaf.
*/
- while ((probe > 0) && (INT_GET(entry->hashval, ARCH_CONVERT) >= hashval)) {
+ while ((probe > 0) && (be32_to_cpu(entry->hashval) >= hashval)) {
entry--;
probe--;
}
- while ((probe < be16_to_cpu(leaf->hdr.count)) && (INT_GET(entry->hashval, ARCH_CONVERT) < hashval)) {
+ while ((probe < be16_to_cpu(leaf->hdr.count)) &&
+ (be32_to_cpu(entry->hashval) < hashval)) {
entry++;
probe++;
}
- if ((probe == be16_to_cpu(leaf->hdr.count)) || (INT_GET(entry->hashval, ARCH_CONVERT) != hashval)) {
+ if ((probe == be16_to_cpu(leaf->hdr.count)) ||
+ (be32_to_cpu(entry->hashval) != hashval)) {
*index = probe;
ASSERT(args->oknoent);
return XFS_ERROR(ENOENT);
@@ -1748,8 +1755,9 @@ xfs_dir_leaf_lookup_int(xfs_dabuf_t *bp, xfs_da_args_t *args, int *index)
/*
* Duplicate keys may be present, so search all of them for a match.
*/
- while ((probe < be16_to_cpu(leaf->hdr.count)) && (INT_GET(entry->hashval, ARCH_CONVERT) == hashval)) {
- namest = XFS_DIR_LEAF_NAMESTRUCT(leaf, INT_GET(entry->nameidx, ARCH_CONVERT));
+ while ((probe < be16_to_cpu(leaf->hdr.count)) &&
+ (be32_to_cpu(entry->hashval) == hashval)) {
+ namest = XFS_DIR_LEAF_NAMESTRUCT(leaf, be16_to_cpu(entry->nameidx));
if (entry->namelen == args->namelen &&
namest->name[0] == args->name[0] &&
memcmp(args->name, namest->name, args->namelen) == 0) {
@@ -1825,19 +1833,19 @@ xfs_dir_leaf_moveents(xfs_dir_leafblock_t *leaf_s, int start_s,
entry_s = &leaf_s->entries[start_s];
entry_d = &leaf_d->entries[start_d];
for (i = 0; i < count; entry_s++, entry_d++, i++) {
- ASSERT(INT_GET(entry_s->nameidx, ARCH_CONVERT) >=
+ ASSERT(be16_to_cpu(entry_s->nameidx) >=
be16_to_cpu(hdr_s->firstused));
tmp = XFS_DIR_LEAF_ENTSIZE_BYENTRY(entry_s);
be16_add(&hdr_d->firstused, -(tmp));
entry_d->hashval = entry_s->hashval;
entry_d->nameidx = hdr_d->firstused;
entry_d->namelen = entry_s->namelen;
- ASSERT(INT_GET(entry_d->nameidx, ARCH_CONVERT) + tmp <= XFS_LBSIZE(mp));
- memcpy(XFS_DIR_LEAF_NAMESTRUCT(leaf_d, INT_GET(entry_d->nameidx, ARCH_CONVERT)),
- XFS_DIR_LEAF_NAMESTRUCT(leaf_s, INT_GET(entry_s->nameidx, ARCH_CONVERT)), tmp);
- ASSERT(INT_GET(entry_s->nameidx, ARCH_CONVERT) + tmp <= XFS_LBSIZE(mp));
- memset((char *)XFS_DIR_LEAF_NAMESTRUCT(leaf_s, INT_GET(entry_s->nameidx, ARCH_CONVERT)),
- 0, tmp);
+ ASSERT(be16_to_cpu(entry_d->nameidx) + tmp <= XFS_LBSIZE(mp));
+ memcpy(XFS_DIR_LEAF_NAMESTRUCT(leaf_d, be16_to_cpu(entry_d->nameidx)),
+ XFS_DIR_LEAF_NAMESTRUCT(leaf_s, be16_to_cpu(entry_s->nameidx)), tmp);
+ ASSERT(be16_to_cpu(entry_s->nameidx) + tmp <= XFS_LBSIZE(mp));
+ memset((char *)XFS_DIR_LEAF_NAMESTRUCT(leaf_s,
+ be16_to_cpu(entry_s->nameidx)), 0, tmp);
be16_add(&hdr_s->namebytes, -(entry_d->namelen));
be16_add(&hdr_d->namebytes, entry_d->namelen);
be16_add(&hdr_s->count, -1);
@@ -1900,10 +1908,12 @@ xfs_dir_leaf_order(xfs_dabuf_t *leaf1_bp, xfs_dabuf_t *leaf2_bp)
ASSERT((be16_to_cpu(leaf1->hdr.info.magic) == XFS_DIR_LEAF_MAGIC) &&
(be16_to_cpu(leaf2->hdr.info.magic) == XFS_DIR_LEAF_MAGIC));
if (leaf1->hdr.count && leaf2->hdr.count &&
- ((INT_GET(leaf2->entries[ 0 ].hashval, ARCH_CONVERT) <
- INT_GET(leaf1->entries[ 0 ].hashval, ARCH_CONVERT)) ||
- (INT_GET(leaf2->entries[be16_to_cpu(leaf2->hdr.count)-1].hashval, ARCH_CONVERT) <
- INT_GET(leaf1->entries[be16_to_cpu(leaf1->hdr.count)-1].hashval, ARCH_CONVERT)))) {
+ ((be32_to_cpu(leaf2->entries[0].hashval) <
+ be32_to_cpu(leaf1->entries[0 ].hashval)) ||
+ (be32_to_cpu(leaf2->entries[
+ be16_to_cpu(leaf2->hdr.count)-1].hashval) <
+ be32_to_cpu(leaf1->entries[
+ be16_to_cpu(leaf1->hdr.count)-1].hashval)))) {
return 1;
}
return 0;
@@ -1923,7 +1933,7 @@ xfs_dir_leaf_lasthash(xfs_dabuf_t *bp, int *count)
*count = be16_to_cpu(leaf->hdr.count);
if (!leaf->hdr.count)
return(0);
- return(INT_GET(leaf->entries[be16_to_cpu(leaf->hdr.count)-1].hashval, ARCH_CONVERT));
+ return be32_to_cpu(leaf->entries[be16_to_cpu(leaf->hdr.count)-1].hashval);
}
/*
@@ -1972,7 +1982,7 @@ xfs_dir_leaf_getdents_int(
i < be16_to_cpu(leaf->hdr.count); entry++, i++) {
namest = XFS_DIR_LEAF_NAMESTRUCT(leaf,
- INT_GET(entry->nameidx, ARCH_CONVERT));
+ be16_to_cpu(entry->nameidx));
if (unlikely(
((char *)namest < (char *)leaf) ||
@@ -1982,19 +1992,16 @@ xfs_dir_leaf_getdents_int(
xfs_dir_trace_g_du("leaf: corrupted", dp, uio);
return XFS_ERROR(EFSCORRUPTED);
}
- if (INT_GET(entry->hashval, ARCH_CONVERT) >= cookhash) {
- if ( entno < want_entno
- && INT_GET(entry->hashval, ARCH_CONVERT)
- == cookhash) {
+ if (be32_to_cpu(entry->hashval) >= cookhash) {
+ if (entno < want_entno &&
+ be32_to_cpu(entry->hashval) == cookhash) {
/*
* Trying to get to a particular offset in a
* run of equal-hashval entries.
*/
entno++;
- } else if ( want_entno > 0
- && entno == want_entno
- && INT_GET(entry->hashval, ARCH_CONVERT)
- == cookhash) {
+ } else if (want_entno > 0 && entno == want_entno &&
+ be32_to_cpu(entry->hashval) == cookhash) {
break;
} else {
entno = 0;
@@ -2035,7 +2042,7 @@ xfs_dir_leaf_getdents_int(
* the inode number from this entry.
*/
namest = XFS_DIR_LEAF_NAMESTRUCT(leaf,
- INT_GET(entry->nameidx, ARCH_CONVERT));
+ be16_to_cpu(entry->nameidx));
if (unlikely(
((char *)namest < (char *)leaf) ||
@@ -2050,9 +2057,9 @@ xfs_dir_leaf_getdents_int(
dp, uio, p.cook.o);
if (i < (be16_to_cpu(leaf->hdr.count) - 1)) {
- nexthash = INT_GET(entry[1].hashval, ARCH_CONVERT);
+ nexthash = be32_to_cpu(entry[1].hashval);
- if (nexthash == INT_GET(entry->hashval, ARCH_CONVERT))
+ if (nexthash == be32_to_cpu(entry->hashval))
nextentno = entno + 1;
else
nextentno = 0;
@@ -2088,8 +2095,7 @@ xfs_dir_leaf_getdents_int(
return XFS_ERROR(EFSCORRUPTED);
}
- nexthash = INT_GET(leaf2->entries[0].hashval,
- ARCH_CONVERT);
+ nexthash = be32_to_cpu(leaf2->entries[0].hashval);
nextentno = -1;
XFS_PUT_COOKIE(p.cook, mp, thishash, 0, nexthash);
xfs_da_brelse(dp->i_transp, bp2);
@@ -2113,9 +2119,9 @@ xfs_dir_leaf_getdents_int(
* that share the same hashval. Hopefully the buffer
* provided is big enough to handle it (see pv763517).
*/
+ thishash = be32_to_cpu(entry->hashval);
#if (BITS_PER_LONG == 32)
- if ((thishash = INT_GET(entry->hashval, ARCH_CONVERT))
- != lasthash) {
+ if (thishash != lasthash) {
XFS_PUT_COOKIE(lastoffset, mp, bno, entno, thishash);
lastresid = uio->uio_resid;
lasthash = thishash;
@@ -2124,7 +2130,6 @@ xfs_dir_leaf_getdents_int(
dp, uio, p.cook.o);
}
#else
- thishash = INT_GET(entry->hashval, ARCH_CONVERT);
XFS_PUT_COOKIE(lastoffset, mp, bno, entno, thishash);
lastresid = uio->uio_resid;
#endif /* BITS_PER_LONG == 32 */
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.