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[XFS] endianess annotations for xfs_dir_leaf_hdr_t 

SGI-PV: 943272
SGI-Modid: xfs-linux-melb:xfs-kern:25807a

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Nathan Scott <nathans@sgi.com>
This commit is contained in:
Christoph Hellwig 2006-06-09 14:50:24 +10:00 committed by Nathan Scott
parent ff9901c1e7
commit 8034fff39b
4 changed files with 182 additions and 171 deletions
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2
fs/xfs/xfs_da_btree.c
View File

@ -1786,7 +1786,7 @@ xfs_da_swap_lastblock(xfs_da_args_t *args, xfs_dablk_t *dead_blknop,
dead_leaf = (xfs_dir_leafblock_t *)dead_info;
dead_level = 0;
dead_hash =
INT_GET(dead_leaf->entries[INT_GET(dead_leaf->hdr.count, ARCH_CONVERT) - 1].hashval, ARCH_CONVERT);
INT_GET(dead_leaf->entries[be16_to_cpu(dead_leaf->hdr.count) - 1].hashval, ARCH_CONVERT);
} else if (be16_to_cpu(dead_info->magic) == XFS_DIR2_LEAFN_MAGIC) {
ASSERT(XFS_DIR_IS_V2(mp));
dead_leaf2 = (xfs_dir2_leaf_t *)dead_info;

11
fs/xfs/xfs_dir.c
View File

@ -638,8 +638,8 @@ xfs_dir_leaf_removename(xfs_da_args_t *args, int *count, int *totallen)
retval = xfs_dir_leaf_lookup_int(bp, args, &index);
if (retval == EEXIST) {
(void)xfs_dir_leaf_remove(args->trans, bp, index);
*count = INT_GET(leaf->hdr.count, ARCH_CONVERT);
*totallen = INT_GET(leaf->hdr.namebytes, ARCH_CONVERT);
*count = be16_to_cpu(leaf->hdr.count);
*totallen = be16_to_cpu(leaf->hdr.namebytes);
retval = 0;
}
xfs_da_buf_done(bp);
@ -925,7 +925,7 @@ xfs_dir_node_getdents(xfs_trans_t *trans, xfs_inode_t *dp, uio_t *uio,
bp = NULL;
}
if (bp &&
cookhash > INT_GET(leaf->entries[INT_GET(leaf->hdr.count, ARCH_CONVERT) - 1].hashval, ARCH_CONVERT)) {
cookhash > INT_GET(leaf->entries[be16_to_cpu(leaf->hdr.count) - 1].hashval, ARCH_CONVERT)) {
xfs_dir_trace_g_dub("node: leaf hash too small",
dp, uio, bno);
xfs_da_brelse(trans, bp);
@ -1142,7 +1142,7 @@ void
xfs_dir_trace_g_dul(char *where, xfs_inode_t *dp, uio_t *uio,
xfs_dir_leafblock_t *leaf)
{
int last = INT_GET(leaf->hdr.count, ARCH_CONVERT) - 1;
int last = be16_to_cpu(leaf->hdr.count) - 1;
xfs_dir_trace_enter(XFS_DIR_KTRACE_G_DUL, where,
(void *)dp, (void *)dp->i_mount,
@ -1150,8 +1150,7 @@ xfs_dir_trace_g_dul(char *where, xfs_inode_t *dp, uio_t *uio,
(void *)((unsigned long)(uio->uio_offset & 0xFFFFFFFF)),
(void *)(unsigned long)uio->uio_resid,
(void *)(unsigned long)be32_to_cpu(leaf->hdr.info.forw),
(void *)(unsigned long)
INT_GET(leaf->hdr.count, ARCH_CONVERT),
(void *)(unsigned long)be16_to_cpu(leaf->hdr.count),
(void *)(unsigned long)
INT_GET(leaf->entries[0].hashval, ARCH_CONVERT),
(void *)(unsigned long)

326
fs/xfs/xfs_dir_leaf.c
View File

@ -651,7 +651,7 @@ xfs_dir_leaf_to_shortform(xfs_da_args_t *iargs)
*/
hdr = &leaf->hdr;
entry = &leaf->entries[0];
for (i = INT_GET(hdr->count, ARCH_CONVERT)-1; i >= 0; entry++, i--) {
for (i = be16_to_cpu(hdr->count)-1; i >= 0; entry++, i--) {
namest = XFS_DIR_LEAF_NAMESTRUCT(leaf, INT_GET(entry->nameidx, ARCH_CONVERT));
if ((entry->namelen == 2) &&
(namest->name[0] == '.') &&
@ -681,7 +681,7 @@ xfs_dir_leaf_to_shortform(xfs_da_args_t *iargs)
args.trans = iargs->trans;
args.justcheck = 0;
args.addname = args.oknoent = 1;
for (i = 0; i < INT_GET(hdr->count, ARCH_CONVERT); entry++, i++) {
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));
@ -744,7 +744,7 @@ xfs_dir_leaf_to_node(xfs_da_args_t *args)
ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_DIR_LEAF_MAGIC);
node->btree[0].hashval = cpu_to_be32(
INT_GET(leaf->entries[
INT_GET(leaf->hdr.count, ARCH_CONVERT)-1].hashval, ARCH_CONVERT));
be16_to_cpu(leaf->hdr.count)-1].hashval, ARCH_CONVERT));
xfs_da_buf_done(bp2);
node->btree[0].before = cpu_to_be32(blkno);
node->hdr.count = cpu_to_be16(1);
@ -783,11 +783,12 @@ xfs_dir_leaf_create(xfs_da_args_t *args, xfs_dablk_t blkno, xfs_dabuf_t **bpp)
memset((char *)leaf, 0, XFS_LBSIZE(dp->i_mount));
hdr = &leaf->hdr;
hdr->info.magic = cpu_to_be16(XFS_DIR_LEAF_MAGIC);
INT_SET(hdr->firstused, ARCH_CONVERT, XFS_LBSIZE(dp->i_mount));
hdr->firstused = cpu_to_be16(XFS_LBSIZE(dp->i_mount));
if (!hdr->firstused)
INT_SET(hdr->firstused, ARCH_CONVERT, XFS_LBSIZE(dp->i_mount) - 1);
INT_SET(hdr->freemap[0].base, ARCH_CONVERT, sizeof(xfs_dir_leaf_hdr_t));
INT_SET(hdr->freemap[0].size, ARCH_CONVERT, INT_GET(hdr->firstused, ARCH_CONVERT) - INT_GET(hdr->freemap[0].base, ARCH_CONVERT));
hdr->firstused = cpu_to_be16(XFS_LBSIZE(dp->i_mount) - 1);
hdr->freemap[0].base = cpu_to_be16(sizeof(xfs_dir_leaf_hdr_t));
hdr->freemap[0].size = cpu_to_be16(be16_to_cpu(hdr->firstused) -
be16_to_cpu(hdr->freemap[0].base));
xfs_da_log_buf(args->trans, bp, 0, XFS_LBSIZE(dp->i_mount) - 1);
@ -862,7 +863,7 @@ xfs_dir_leaf_add(xfs_dabuf_t *bp, xfs_da_args_t *args, int index)
leaf = bp->data;
ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_DIR_LEAF_MAGIC);
ASSERT((index >= 0) && (index <= INT_GET(leaf->hdr.count, ARCH_CONVERT)));
ASSERT((index >= 0) && (index <= be16_to_cpu(leaf->hdr.count)));
hdr = &leaf->hdr;
entsize = XFS_DIR_LEAF_ENTSIZE_BYNAME(args->namelen);
@ -870,25 +871,25 @@ xfs_dir_leaf_add(xfs_dabuf_t *bp, xfs_da_args_t *args, int index)
* Search through freemap for first-fit on new name length.
* (may need to figure in size of entry struct too)
*/
tablesize = (INT_GET(hdr->count, ARCH_CONVERT) + 1) * (uint)sizeof(xfs_dir_leaf_entry_t)
+ (uint)sizeof(xfs_dir_leaf_hdr_t);
tablesize = (be16_to_cpu(hdr->count) + 1) *
sizeof(xfs_dir_leaf_entry_t) + sizeof(xfs_dir_leaf_hdr_t);
map = &hdr->freemap[XFS_DIR_LEAF_MAPSIZE-1];
for (sum = 0, i = XFS_DIR_LEAF_MAPSIZE-1; i >= 0; map--, i--) {
if (tablesize > INT_GET(hdr->firstused, ARCH_CONVERT)) {
sum += INT_GET(map->size, ARCH_CONVERT);
if (tablesize > be16_to_cpu(hdr->firstused)) {
sum += be16_to_cpu(map->size);
continue;
}
if (!map->size)
continue; /* no space in this map */
tmp = entsize;
if (INT_GET(map->base, ARCH_CONVERT) < INT_GET(hdr->firstused, ARCH_CONVERT))
if (be16_to_cpu(map->base) < be16_to_cpu(hdr->firstused))
tmp += (uint)sizeof(xfs_dir_leaf_entry_t);
if (INT_GET(map->size, ARCH_CONVERT) >= tmp) {
if (be16_to_cpu(map->size) >= tmp) {
if (!args->justcheck)
xfs_dir_leaf_add_work(bp, args, index, i);
return 0;
}
sum += INT_GET(map->size, ARCH_CONVERT);
sum += be16_to_cpu(map->size);
}
/*
@ -915,7 +916,7 @@ xfs_dir_leaf_add(xfs_dabuf_t *bp, xfs_da_args_t *args, int index)
* After compaction, the block is guaranteed to have only one
* free region, in freemap[0]. If it is not big enough, give up.
*/
if (INT_GET(hdr->freemap[0].size, ARCH_CONVERT) <
if (be16_to_cpu(hdr->freemap[0].size) <
(entsize + (uint)sizeof(xfs_dir_leaf_entry_t)))
return XFS_ERROR(ENOSPC);
@ -944,31 +945,32 @@ xfs_dir_leaf_add_work(xfs_dabuf_t *bp, xfs_da_args_t *args, int index,
ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_DIR_LEAF_MAGIC);
hdr = &leaf->hdr;
ASSERT((mapindex >= 0) && (mapindex < XFS_DIR_LEAF_MAPSIZE));
ASSERT((index >= 0) && (index <= INT_GET(hdr->count, ARCH_CONVERT)));
ASSERT((index >= 0) && (index <= be16_to_cpu(hdr->count)));
/*
* Force open some space in the entry array and fill it in.
*/
entry = &leaf->entries[index];
if (index < INT_GET(hdr->count, ARCH_CONVERT)) {
tmp = INT_GET(hdr->count, ARCH_CONVERT) - index;
if (index < be16_to_cpu(hdr->count)) {
tmp = be16_to_cpu(hdr->count) - index;
tmp *= (uint)sizeof(xfs_dir_leaf_entry_t);
memmove(entry + 1, entry, tmp);
xfs_da_log_buf(args->trans, bp,
XFS_DA_LOGRANGE(leaf, entry, tmp + (uint)sizeof(*entry)));
}
INT_MOD(hdr->count, ARCH_CONVERT, +1);
be16_add(&hdr->count, 1);
/*
* Allocate space for the new string (at the end of the run).
*/
map = &hdr->freemap[mapindex];
mp = args->trans->t_mountp;
ASSERT(INT_GET(map->base, ARCH_CONVERT) < XFS_LBSIZE(mp));
ASSERT(INT_GET(map->size, ARCH_CONVERT) >= XFS_DIR_LEAF_ENTSIZE_BYNAME(args->namelen));
ASSERT(INT_GET(map->size, ARCH_CONVERT) < XFS_LBSIZE(mp));
INT_MOD(map->size, ARCH_CONVERT, -(XFS_DIR_LEAF_ENTSIZE_BYNAME(args->namelen)));
INT_SET(entry->nameidx, ARCH_CONVERT, INT_GET(map->base, ARCH_CONVERT) + INT_GET(map->size, ARCH_CONVERT));
ASSERT(be16_to_cpu(map->base) < XFS_LBSIZE(mp));
ASSERT(be16_to_cpu(map->size) >= XFS_DIR_LEAF_ENTSIZE_BYNAME(args->namelen));
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->namelen = args->namelen;
xfs_da_log_buf(args->trans, bp,
@ -986,19 +988,21 @@ 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) < INT_GET(hdr->firstused, ARCH_CONVERT))
INT_COPY(hdr->firstused, entry->nameidx, ARCH_CONVERT);
ASSERT(INT_GET(hdr->firstused, ARCH_CONVERT) >= ((INT_GET(hdr->count, ARCH_CONVERT)*sizeof(*entry))+sizeof(*hdr)));
tmp = (INT_GET(hdr->count, ARCH_CONVERT)-1) * (uint)sizeof(xfs_dir_leaf_entry_t)
if (INT_GET(entry->nameidx, ARCH_CONVERT) < be16_to_cpu(hdr->firstused))
hdr->firstused = entry->nameidx;
ASSERT(be16_to_cpu(hdr->firstused) >=
((be16_to_cpu(hdr->count)*sizeof(*entry))+sizeof(*hdr)));
tmp = (be16_to_cpu(hdr->count)-1) * (uint)sizeof(xfs_dir_leaf_entry_t)
+ (uint)sizeof(xfs_dir_leaf_hdr_t);
map = &hdr->freemap[0];
for (i = 0; i < XFS_DIR_LEAF_MAPSIZE; map++, i++) {
if (INT_GET(map->base, ARCH_CONVERT) == tmp) {
INT_MOD(map->base, ARCH_CONVERT, (uint)sizeof(xfs_dir_leaf_entry_t));
INT_MOD(map->size, ARCH_CONVERT, -((uint)sizeof(xfs_dir_leaf_entry_t)));
if (be16_to_cpu(map->base) == tmp) {
int entry_size = sizeof(xfs_dir_leaf_entry_t);
be16_add(&map->base, entry_size);
be16_add(&map->size, -entry_size);
}
}
INT_MOD(hdr->namebytes, ARCH_CONVERT, args->namelen);
be16_add(&hdr->namebytes, args->namelen);
xfs_da_log_buf(args->trans, bp,
XFS_DA_LOGRANGE(leaf, hdr, sizeof(*hdr)));
}
@ -1042,23 +1046,24 @@ xfs_dir_leaf_compact(xfs_trans_t *trans, xfs_dabuf_t *bp, int musthave,
hdr_s = &leaf_s->hdr;
hdr_d = &leaf_d->hdr;
hdr_d->info = hdr_s->info; /* struct copy */
INT_SET(hdr_d->firstused, ARCH_CONVERT, lbsize);
hdr_d->firstused = cpu_to_be16(lbsize);
if (!hdr_d->firstused)
INT_SET(hdr_d->firstused, ARCH_CONVERT, lbsize - 1);
hdr_d->firstused = cpu_to_be16(lbsize - 1);
hdr_d->namebytes = 0;
hdr_d->count = 0;
hdr_d->holes = 0;
INT_SET(hdr_d->freemap[0].base, ARCH_CONVERT, sizeof(xfs_dir_leaf_hdr_t));
INT_SET(hdr_d->freemap[0].size, ARCH_CONVERT, INT_GET(hdr_d->firstused, ARCH_CONVERT) - INT_GET(hdr_d->freemap[0].base, ARCH_CONVERT));
hdr_d->freemap[0].base = cpu_to_be16(sizeof(xfs_dir_leaf_hdr_t));
hdr_d->freemap[0].size = cpu_to_be16(be16_to_cpu(hdr_d->firstused) -
be16_to_cpu(hdr_d->freemap[0].base));
/*
* Copy all entry's in the same (sorted) order,
* but allocate filenames packed and in sequence.
* This changes the source (leaf_s) as well.
*/
xfs_dir_leaf_moveents(leaf_s, 0, leaf_d, 0, (int)INT_GET(hdr_s->count, ARCH_CONVERT), mp);
xfs_dir_leaf_moveents(leaf_s, 0, leaf_d, 0, be16_to_cpu(hdr_s->count), mp);
if (musthave && INT_GET(hdr_d->freemap[0].size, ARCH_CONVERT) < musthave)
if (musthave && be16_to_cpu(hdr_d->freemap[0].size) < musthave)
rval = XFS_ERROR(ENOSPC);
else
rval = 0;
@ -1129,20 +1134,20 @@ xfs_dir_leaf_rebalance(xfs_da_state_t *state, xfs_da_state_blk_t *blk1,
/*
* Move any entries required from leaf to leaf:
*/
if (count < INT_GET(hdr1->count, ARCH_CONVERT)) {
if (count < be16_to_cpu(hdr1->count)) {
/*
* Figure the total bytes to be added to the destination leaf.
*/
count = INT_GET(hdr1->count, ARCH_CONVERT) - count; /* number entries being moved */
space = INT_GET(hdr1->namebytes, ARCH_CONVERT) - totallen;
count = be16_to_cpu(hdr1->count) - count; /* number entries being moved */
space = be16_to_cpu(hdr1->namebytes) - totallen;
space += count * ((uint)sizeof(xfs_dir_leaf_name_t)-1);
space += count * (uint)sizeof(xfs_dir_leaf_entry_t);
/*
* leaf2 is the destination, compact it if it looks tight.
*/
max = INT_GET(hdr2->firstused, ARCH_CONVERT) - (uint)sizeof(xfs_dir_leaf_hdr_t);
max -= INT_GET(hdr2->count, ARCH_CONVERT) * (uint)sizeof(xfs_dir_leaf_entry_t);
max = be16_to_cpu(hdr2->firstused) - (uint)sizeof(xfs_dir_leaf_hdr_t);
max -= be16_to_cpu(hdr2->count) * (uint)sizeof(xfs_dir_leaf_entry_t);
if (space > max) {
xfs_dir_leaf_compact(state->args->trans, blk2->bp,
0, 0);
@ -1151,7 +1156,7 @@ xfs_dir_leaf_rebalance(xfs_da_state_t *state, xfs_da_state_blk_t *blk1,
/*
* Move high entries from leaf1 to low end of leaf2.
*/
xfs_dir_leaf_moveents(leaf1, INT_GET(hdr1->count, ARCH_CONVERT) - count,
xfs_dir_leaf_moveents(leaf1, be16_to_cpu(hdr1->count) - count,
leaf2, 0, count, state->mp);
xfs_da_log_buf(state->args->trans, blk1->bp, 0,
@ -1159,20 +1164,20 @@ xfs_dir_leaf_rebalance(xfs_da_state_t *state, xfs_da_state_blk_t *blk1,
xfs_da_log_buf(state->args->trans, blk2->bp, 0,
state->blocksize-1);
} else if (count > INT_GET(hdr1->count, ARCH_CONVERT)) {
} else if (count > be16_to_cpu(hdr1->count)) {
/*
* Figure the total bytes to be added to the destination leaf.
*/
count -= INT_GET(hdr1->count, ARCH_CONVERT); /* number entries being moved */
space = totallen - INT_GET(hdr1->namebytes, ARCH_CONVERT);
count -= be16_to_cpu(hdr1->count); /* number entries being moved */
space = totallen - be16_to_cpu(hdr1->namebytes);
space += count * ((uint)sizeof(xfs_dir_leaf_name_t)-1);
space += count * (uint)sizeof(xfs_dir_leaf_entry_t);
/*
* leaf1 is the destination, compact it if it looks tight.
*/
max = INT_GET(hdr1->firstused, ARCH_CONVERT) - (uint)sizeof(xfs_dir_leaf_hdr_t);
max -= INT_GET(hdr1->count, ARCH_CONVERT) * (uint)sizeof(xfs_dir_leaf_entry_t);
max = be16_to_cpu(hdr1->firstused) - (uint)sizeof(xfs_dir_leaf_hdr_t);
max -= be16_to_cpu(hdr1->count) * (uint)sizeof(xfs_dir_leaf_entry_t);
if (space > max) {
xfs_dir_leaf_compact(state->args->trans, blk1->bp,
0, 0);
@ -1181,7 +1186,7 @@ xfs_dir_leaf_rebalance(xfs_da_state_t *state, xfs_da_state_blk_t *blk1,
/*
* Move low entries from leaf2 to high end of leaf1.
*/
xfs_dir_leaf_moveents(leaf2, 0, leaf1, (int)INT_GET(hdr1->count, ARCH_CONVERT),
xfs_dir_leaf_moveents(leaf2, 0, leaf1, be16_to_cpu(hdr1->count),
count, state->mp);
xfs_da_log_buf(state->args->trans, blk1->bp, 0,
@ -1193,15 +1198,15 @@ 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[ INT_GET(leaf1->hdr.count, ARCH_CONVERT)-1 ].hashval, ARCH_CONVERT);
blk2->hashval = INT_GET(leaf2->entries[ INT_GET(leaf2->hdr.count, ARCH_CONVERT)-1 ].hashval, ARCH_CONVERT);
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);
/*
* Adjust the expected index for insertion.
* GROT: this doesn't work unless blk2 was originally empty.
*/
if (!state->inleaf) {
blk2->index = blk1->index - INT_GET(leaf1->hdr.count, ARCH_CONVERT);
blk2->index = blk1->index - be16_to_cpu(leaf1->hdr.count);
}
}
@ -1238,9 +1243,10 @@ xfs_dir_leaf_figure_balance(xfs_da_state_t *state,
* Examine entries until we reduce the absolute difference in
* byte usage between the two blocks to a minimum.
*/
max = INT_GET(hdr1->count, ARCH_CONVERT) + INT_GET(hdr2->count, ARCH_CONVERT);
max = be16_to_cpu(hdr1->count) + be16_to_cpu(hdr2->count);
half = (max+1) * (uint)(sizeof(*entry)+sizeof(xfs_dir_leaf_entry_t)-1);
half += INT_GET(hdr1->namebytes, ARCH_CONVERT) + INT_GET(hdr2->namebytes, ARCH_CONVERT) + state->args->namelen;
half += be16_to_cpu(hdr1->namebytes) + be16_to_cpu(hdr2->namebytes) +
state->args->namelen;
half /= 2;
lastdelta = state->blocksize;
entry = &leaf1->entries[0];
@ -1263,7 +1269,7 @@ xfs_dir_leaf_figure_balance(xfs_da_state_t *state,
/*
* Wrap around into the second block if necessary.
*/
if (count == INT_GET(hdr1->count, ARCH_CONVERT)) {
if (count == be16_to_cpu(hdr1->count)) {
leaf1 = leaf2;
entry = &leaf1->entries[0];
}
@ -1328,11 +1334,11 @@ xfs_dir_leaf_toosmall(xfs_da_state_t *state, int *action)
info = blk->bp->data;
ASSERT(be16_to_cpu(info->magic) == XFS_DIR_LEAF_MAGIC);
leaf = (xfs_dir_leafblock_t *)info;
count = INT_GET(leaf->hdr.count, ARCH_CONVERT);
count = be16_to_cpu(leaf->hdr.count);
bytes = (uint)sizeof(xfs_dir_leaf_hdr_t) +
count * (uint)sizeof(xfs_dir_leaf_entry_t) +
count * ((uint)sizeof(xfs_dir_leaf_name_t)-1) +
INT_GET(leaf->hdr.namebytes, ARCH_CONVERT);
be16_to_cpu(leaf->hdr.namebytes);
if (bytes > (state->blocksize >> 1)) {
*action = 0; /* blk over 50%, don't try to join */
return 0;
@ -1386,13 +1392,13 @@ xfs_dir_leaf_toosmall(xfs_da_state_t *state, int *action)
ASSERT(bp != NULL);
leaf = (xfs_dir_leafblock_t *)info;
count = INT_GET(leaf->hdr.count, ARCH_CONVERT);
count = be16_to_cpu(leaf->hdr.count);
bytes = state->blocksize - (state->blocksize>>2);
bytes -= INT_GET(leaf->hdr.namebytes, ARCH_CONVERT);
bytes -= be16_to_cpu(leaf->hdr.namebytes);
leaf = bp->data;
ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_DIR_LEAF_MAGIC);
count += INT_GET(leaf->hdr.count, ARCH_CONVERT);
bytes -= INT_GET(leaf->hdr.namebytes, ARCH_CONVERT);
count += be16_to_cpu(leaf->hdr.count);
bytes -= be16_to_cpu(leaf->hdr.namebytes);
bytes -= count * ((uint)sizeof(xfs_dir_leaf_name_t) - 1);
bytes -= count * (uint)sizeof(xfs_dir_leaf_entry_t);
bytes -= (uint)sizeof(xfs_dir_leaf_hdr_t);
@ -1451,11 +1457,12 @@ xfs_dir_leaf_remove(xfs_trans_t *trans, xfs_dabuf_t *bp, int index)
ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_DIR_LEAF_MAGIC);
hdr = &leaf->hdr;
mp = trans->t_mountp;
ASSERT((INT_GET(hdr->count, ARCH_CONVERT) > 0) && (INT_GET(hdr->count, ARCH_CONVERT) < (XFS_LBSIZE(mp)/8)));
ASSERT((index >= 0) && (index < INT_GET(hdr->count, ARCH_CONVERT)));
ASSERT(INT_GET(hdr->firstused, ARCH_CONVERT) >= ((INT_GET(hdr->count, ARCH_CONVERT)*sizeof(*entry))+sizeof(*hdr)));
ASSERT(hdr->count && (be16_to_cpu(hdr->count) < (XFS_LBSIZE(mp)/8)));
ASSERT((index >= 0) && (index < be16_to_cpu(hdr->count)));
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) >= INT_GET(hdr->firstused, ARCH_CONVERT));
ASSERT(INT_GET(entry->nameidx, ARCH_CONVERT) >= be16_to_cpu(hdr->firstused));
ASSERT(INT_GET(entry->nameidx, ARCH_CONVERT) < XFS_LBSIZE(mp));
/*
@ -1464,27 +1471,28 @@ xfs_dir_leaf_remove(xfs_trans_t *trans, xfs_dabuf_t *bp, int index)
* find smallest free region in case we need to replace it,
* adjust any map that borders the entry table,
*/
tablesize = INT_GET(hdr->count, ARCH_CONVERT) * (uint)sizeof(xfs_dir_leaf_entry_t)
tablesize = be16_to_cpu(hdr->count) * (uint)sizeof(xfs_dir_leaf_entry_t)
+ (uint)sizeof(xfs_dir_leaf_hdr_t);
map = &hdr->freemap[0];
tmp = INT_GET(map->size, ARCH_CONVERT);
tmp = be16_to_cpu(map->size);
before = after = -1;
smallest = XFS_DIR_LEAF_MAPSIZE - 1;
entsize = XFS_DIR_LEAF_ENTSIZE_BYENTRY(entry);
for (i = 0; i < XFS_DIR_LEAF_MAPSIZE; map++, i++) {
ASSERT(INT_GET(map->base, ARCH_CONVERT) < XFS_LBSIZE(mp));
ASSERT(INT_GET(map->size, ARCH_CONVERT) < XFS_LBSIZE(mp));
if (INT_GET(map->base, ARCH_CONVERT) == tablesize) {
INT_MOD(map->base, ARCH_CONVERT, -((uint)sizeof(xfs_dir_leaf_entry_t)));
INT_MOD(map->size, ARCH_CONVERT, (uint)sizeof(xfs_dir_leaf_entry_t));
ASSERT(be16_to_cpu(map->base) < XFS_LBSIZE(mp));
ASSERT(be16_to_cpu(map->size) < XFS_LBSIZE(mp));
if (be16_to_cpu(map->base) == tablesize) {
int entry_size = sizeof(xfs_dir_leaf_entry_t);
be16_add(&map->base, -entry_size);
be16_add(&map->size, entry_size);
}
if ((INT_GET(map->base, ARCH_CONVERT) + INT_GET(map->size, ARCH_CONVERT)) == INT_GET(entry->nameidx, ARCH_CONVERT)) {
if ((be16_to_cpu(map->base) + be16_to_cpu(map->size)) == INT_GET(entry->nameidx, ARCH_CONVERT)) {
before = i;
} else if (INT_GET(map->base, ARCH_CONVERT) == (INT_GET(entry->nameidx, ARCH_CONVERT) + entsize)) {
} else if (be16_to_cpu(map->base) == (INT_GET(entry->nameidx, ARCH_CONVERT) + entsize)) {
after = i;
} else if (INT_GET(map->size, ARCH_CONVERT) < tmp) {
tmp = INT_GET(map->size, ARCH_CONVERT);
} else if (be16_to_cpu(map->size) < tmp) {
tmp = be16_to_cpu(map->size);
smallest = i;
}
}
@ -1496,33 +1504,33 @@ xfs_dir_leaf_remove(xfs_trans_t *trans, xfs_dabuf_t *bp, int index)
if ((before >= 0) || (after >= 0)) {
if ((before >= 0) && (after >= 0)) {
map = &hdr->freemap[before];
INT_MOD(map->size, ARCH_CONVERT, entsize);
INT_MOD(map->size, ARCH_CONVERT, INT_GET(hdr->freemap[after].size, ARCH_CONVERT));
be16_add(&map->size, entsize);
be16_add(&map->size, be16_to_cpu(hdr->freemap[after].size));
hdr->freemap[after].base = 0;
hdr->freemap[after].size = 0;
} else if (before >= 0) {
map = &hdr->freemap[before];
INT_MOD(map->size, ARCH_CONVERT, entsize);
be16_add(&map->size, entsize);
} else {
map = &hdr->freemap[after];
INT_COPY(map->base, entry->nameidx, ARCH_CONVERT);
INT_MOD(map->size, ARCH_CONVERT, entsize);
map->base = entry->nameidx;
be16_add(&map->size, entsize);
}
} else {
/*
* Replace smallest region (if it is smaller than free'd entry)
*/
map = &hdr->freemap[smallest];
if (INT_GET(map->size, ARCH_CONVERT) < entsize) {
INT_COPY(map->base, entry->nameidx, ARCH_CONVERT);
INT_SET(map->size, ARCH_CONVERT, entsize);
if (be16_to_cpu(map->size) < entsize) {
map->base = entry->nameidx;
map->size = cpu_to_be16(entsize);
}
}
/*
* Did we remove the first entry?
*/
if (INT_GET(entry->nameidx, ARCH_CONVERT) == INT_GET(hdr->firstused, ARCH_CONVERT))
if (INT_GET(entry->nameidx, ARCH_CONVERT) == be16_to_cpu(hdr->firstused))
smallest = 1;
else
smallest = 0;
@ -1534,13 +1542,13 @@ xfs_dir_leaf_remove(xfs_trans_t *trans, xfs_dabuf_t *bp, int index)
memset((char *)namest, 0, entsize);
xfs_da_log_buf(trans, bp, XFS_DA_LOGRANGE(leaf, namest, entsize));
INT_MOD(hdr->namebytes, ARCH_CONVERT, -(entry->namelen));
tmp = (INT_GET(hdr->count, ARCH_CONVERT) - index) * (uint)sizeof(xfs_dir_leaf_entry_t);
be16_add(&hdr->namebytes, -(entry->namelen));
tmp = (be16_to_cpu(hdr->count) - index) * (uint)sizeof(xfs_dir_leaf_entry_t);
memmove(entry, entry + 1, tmp);
INT_MOD(hdr->count, ARCH_CONVERT, -1);
be16_add(&hdr->count, -1);
xfs_da_log_buf(trans, bp,
XFS_DA_LOGRANGE(leaf, entry, tmp + (uint)sizeof(*entry)));
entry = &leaf->entries[INT_GET(hdr->count, ARCH_CONVERT)];
entry = &leaf->entries[be16_to_cpu(hdr->count)];
memset((char *)entry, 0, sizeof(xfs_dir_leaf_entry_t));
/*
@ -1552,15 +1560,16 @@ xfs_dir_leaf_remove(xfs_trans_t *trans, xfs_dabuf_t *bp, int index)
if (smallest) {
tmp = XFS_LBSIZE(mp);
entry = &leaf->entries[0];
for (i = INT_GET(hdr->count, ARCH_CONVERT)-1; i >= 0; entry++, i--) {
ASSERT(INT_GET(entry->nameidx, ARCH_CONVERT) >= INT_GET(hdr->firstused, ARCH_CONVERT));
for (i = be16_to_cpu(hdr->count)-1; i >= 0; entry++, i--) {
ASSERT(INT_GET(entry->nameidx, ARCH_CONVERT) >=
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);
}
INT_SET(hdr->firstused, ARCH_CONVERT, tmp);
hdr->firstused = cpu_to_be16(tmp);
if (!hdr->firstused)
INT_SET(hdr->firstused, ARCH_CONVERT, tmp - 1);
hdr->firstused = cpu_to_be16(tmp - 1);
} else {
hdr->holes = 1; /* mark as needing compaction */
}
@ -1572,9 +1581,9 @@ xfs_dir_leaf_remove(xfs_trans_t *trans, xfs_dabuf_t *bp, int index)
* "join" the leaf with a sibling if so.
*/
tmp = (uint)sizeof(xfs_dir_leaf_hdr_t);
tmp += INT_GET(leaf->hdr.count, ARCH_CONVERT) * (uint)sizeof(xfs_dir_leaf_entry_t);
tmp += INT_GET(leaf->hdr.count, ARCH_CONVERT) * ((uint)sizeof(xfs_dir_leaf_name_t) - 1);
tmp += INT_GET(leaf->hdr.namebytes, ARCH_CONVERT);
tmp += be16_to_cpu(leaf->hdr.count) * (uint)sizeof(xfs_dir_leaf_entry_t);
tmp += be16_to_cpu(leaf->hdr.count) * ((uint)sizeof(xfs_dir_leaf_name_t) - 1);
tmp += be16_to_cpu(leaf->hdr.namebytes);
if (tmp < mp->m_dir_magicpct)
return 1; /* leaf is < 37% full */
return 0;
@ -1608,7 +1617,7 @@ 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[ drop_leaf->hdr.count-1 ].hashval, ARCH_CONVERT);
drop_blk->hashval = INT_GET(drop_leaf->entries[be16_to_cpu(drop_leaf->hdr.count)-1].hashval, ARCH_CONVERT);
/*
* Check if we need a temp buffer, or can we do it in place.
@ -1622,11 +1631,11 @@ xfs_dir_leaf_unbalance(xfs_da_state_t *state, xfs_da_state_blk_t *drop_blk,
*/
if (xfs_dir_leaf_order(save_blk->bp, drop_blk->bp)) {
xfs_dir_leaf_moveents(drop_leaf, 0, save_leaf, 0,
(int)INT_GET(drop_hdr->count, ARCH_CONVERT), mp);
be16_to_cpu(drop_hdr->count), mp);
} else {
xfs_dir_leaf_moveents(drop_leaf, 0,
save_leaf, INT_GET(save_hdr->count, ARCH_CONVERT),
(int)INT_GET(drop_hdr->count, ARCH_CONVERT), mp);
save_leaf, be16_to_cpu(save_hdr->count),
be16_to_cpu(drop_hdr->count), mp);
}
} else {
/*
@ -1640,22 +1649,22 @@ xfs_dir_leaf_unbalance(xfs_da_state_t *state, xfs_da_state_blk_t *drop_blk,
tmp_hdr = &tmp_leaf->hdr;
tmp_hdr->info = save_hdr->info; /* struct copy */
tmp_hdr->count = 0;
INT_SET(tmp_hdr->firstused, ARCH_CONVERT, state->blocksize);
tmp_hdr->firstused = cpu_to_be16(state->blocksize);
if (!tmp_hdr->firstused)
INT_SET(tmp_hdr->firstused, ARCH_CONVERT, state->blocksize - 1);
tmp_hdr->firstused = cpu_to_be16(state->blocksize - 1);
tmp_hdr->namebytes = 0;
if (xfs_dir_leaf_order(save_blk->bp, drop_blk->bp)) {
xfs_dir_leaf_moveents(drop_leaf, 0, tmp_leaf, 0,
(int)INT_GET(drop_hdr->count, ARCH_CONVERT), mp);
be16_to_cpu(drop_hdr->count), mp);
xfs_dir_leaf_moveents(save_leaf, 0,
tmp_leaf, INT_GET(tmp_leaf->hdr.count, ARCH_CONVERT),
(int)INT_GET(save_hdr->count, ARCH_CONVERT), mp);
tmp_leaf, be16_to_cpu(tmp_leaf->hdr.count),
be16_to_cpu(save_hdr->count), mp);
} else {
xfs_dir_leaf_moveents(save_leaf, 0, tmp_leaf, 0,
(int)INT_GET(save_hdr->count, ARCH_CONVERT), mp);
be16_to_cpu(save_hdr->count), mp);
xfs_dir_leaf_moveents(drop_leaf, 0,
tmp_leaf, INT_GET(tmp_leaf->hdr.count, ARCH_CONVERT),
(int)INT_GET(drop_hdr->count, ARCH_CONVERT), mp);
tmp_leaf, be16_to_cpu(tmp_leaf->hdr.count),
be16_to_cpu(drop_hdr->count), mp);
}
memcpy(save_leaf, tmp_leaf, state->blocksize);
kmem_free(tmpbuffer, state->blocksize);
@ -1667,7 +1676,7 @@ 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[ INT_GET(save_leaf->hdr.count, ARCH_CONVERT)-1 ].hashval, ARCH_CONVERT);
save_blk->hashval = INT_GET(save_leaf->entries[be16_to_cpu(save_leaf->hdr.count)-1 ].hashval, ARCH_CONVERT);
}
/*========================================================================
@ -1697,13 +1706,13 @@ xfs_dir_leaf_lookup_int(xfs_dabuf_t *bp, xfs_da_args_t *args, int *index)
leaf = bp->data;
ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_DIR_LEAF_MAGIC);
ASSERT(INT_GET(leaf->hdr.count, ARCH_CONVERT) < (XFS_LBSIZE(args->dp->i_mount)/8));
ASSERT(be16_to_cpu(leaf->hdr.count) < (XFS_LBSIZE(args->dp->i_mount)/8));
/*
* Binary search. (note: small blocks will skip this loop)
*/
hashval = args->hashval;
probe = span = INT_GET(leaf->hdr.count, ARCH_CONVERT) / 2;
probe = span = be16_to_cpu(leaf->hdr.count) / 2;
for (entry = &leaf->entries[probe]; span > 4;
entry = &leaf->entries[probe]) {
span /= 2;
@ -1715,7 +1724,7 @@ xfs_dir_leaf_lookup_int(xfs_dabuf_t *bp, xfs_da_args_t *args, int *index)
break;
}
ASSERT((probe >= 0) && \
((!leaf->hdr.count) || (probe < INT_GET(leaf->hdr.count, ARCH_CONVERT))));
((!leaf->hdr.count) || (probe < be16_to_cpu(leaf->hdr.count))));
ASSERT((span <= 4) || (INT_GET(entry->hashval, ARCH_CONVERT) == hashval));
/*
@ -1726,11 +1735,11 @@ xfs_dir_leaf_lookup_int(xfs_dabuf_t *bp, xfs_da_args_t *args, int *index)
entry--;
probe--;
}
while ((probe < INT_GET(leaf->hdr.count, ARCH_CONVERT)) && (INT_GET(entry->hashval, ARCH_CONVERT) < hashval)) {
while ((probe < be16_to_cpu(leaf->hdr.count)) && (INT_GET(entry->hashval, ARCH_CONVERT) < hashval)) {
entry++;
probe++;
}
if ((probe == INT_GET(leaf->hdr.count, ARCH_CONVERT)) || (INT_GET(entry->hashval, ARCH_CONVERT) != hashval)) {
if ((probe == be16_to_cpu(leaf->hdr.count)) || (INT_GET(entry->hashval, ARCH_CONVERT) != hashval)) {
*index = probe;
ASSERT(args->oknoent);
return XFS_ERROR(ENOENT);
@ -1739,7 +1748,7 @@ 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 < INT_GET(leaf->hdr.count, ARCH_CONVERT)) && (INT_GET(entry->hashval, ARCH_CONVERT) == hashval)) {
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));
if (entry->namelen == args->namelen &&
namest->name[0] == args->name[0] &&
@ -1752,7 +1761,7 @@ xfs_dir_leaf_lookup_int(xfs_dabuf_t *bp, xfs_da_args_t *args, int *index)
probe++;
}
*index = probe;
ASSERT(probe == INT_GET(leaf->hdr.count, ARCH_CONVERT) || args->oknoent);
ASSERT(probe == be16_to_cpu(leaf->hdr.count) || args->oknoent);
return XFS_ERROR(ENOENT);
}
@ -1787,22 +1796,22 @@ xfs_dir_leaf_moveents(xfs_dir_leafblock_t *leaf_s, int start_s,
ASSERT(be16_to_cpu(leaf_d->hdr.info.magic) == XFS_DIR_LEAF_MAGIC);
hdr_s = &leaf_s->hdr;
hdr_d = &leaf_d->hdr;
ASSERT((INT_GET(hdr_s->count, ARCH_CONVERT) > 0) && (INT_GET(hdr_s->count, ARCH_CONVERT) < (XFS_LBSIZE(mp)/8)));
ASSERT(INT_GET(hdr_s->firstused, ARCH_CONVERT) >=
((INT_GET(hdr_s->count, ARCH_CONVERT)*sizeof(*entry_s))+sizeof(*hdr_s)));
ASSERT(INT_GET(hdr_d->count, ARCH_CONVERT) < (XFS_LBSIZE(mp)/8));
ASSERT(INT_GET(hdr_d->firstused, ARCH_CONVERT) >=
((INT_GET(hdr_d->count, ARCH_CONVERT)*sizeof(*entry_d))+sizeof(*hdr_d)));
ASSERT(hdr_s->count && (be16_to_cpu(hdr_s->count) < (XFS_LBSIZE(mp)/8)));
ASSERT(be16_to_cpu(hdr_s->firstused) >=
((be16_to_cpu(hdr_s->count)*sizeof(*entry_s))+sizeof(*hdr_s)));
ASSERT(be16_to_cpu(hdr_d->count) < (XFS_LBSIZE(mp)/8));
ASSERT(be16_to_cpu(hdr_d->firstused) >=
((be16_to_cpu(hdr_d->count)*sizeof(*entry_d))+sizeof(*hdr_d)));
ASSERT(start_s < INT_GET(hdr_s->count, ARCH_CONVERT));
ASSERT(start_d <= INT_GET(hdr_d->count, ARCH_CONVERT));
ASSERT(count <= INT_GET(hdr_s->count, ARCH_CONVERT));
ASSERT(start_s < be16_to_cpu(hdr_s->count));
ASSERT(start_d <= be16_to_cpu(hdr_d->count));
ASSERT(count <= be16_to_cpu(hdr_s->count));
/*
* Move the entries in the destination leaf up to make a hole?
*/
if (start_d < INT_GET(hdr_d->count, ARCH_CONVERT)) {
tmp = INT_GET(hdr_d->count, ARCH_CONVERT) - start_d;
if (start_d < be16_to_cpu(hdr_d->count)) {
tmp = be16_to_cpu(hdr_d->count) - start_d;
tmp *= (uint)sizeof(xfs_dir_leaf_entry_t);
entry_s = &leaf_d->entries[start_d];
entry_d = &leaf_d->entries[start_d + count];
@ -1816,11 +1825,12 @@ 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) >= INT_GET(hdr_s->firstused, ARCH_CONVERT));
ASSERT(INT_GET(entry_s->nameidx, ARCH_CONVERT) >=
be16_to_cpu(hdr_s->firstused));
tmp = XFS_DIR_LEAF_ENTSIZE_BYENTRY(entry_s);
INT_MOD(hdr_d->firstused, ARCH_CONVERT, -(tmp));
entry_d->hashval = entry_s->hashval; /* INT_: direct copy */
INT_COPY(entry_d->nameidx, hdr_d->firstused, ARCH_CONVERT);
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)),
@ -1828,20 +1838,20 @@ xfs_dir_leaf_moveents(xfs_dir_leafblock_t *leaf_s, int start_s,
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);
INT_MOD(hdr_s->namebytes, ARCH_CONVERT, -(entry_d->namelen));
INT_MOD(hdr_d->namebytes, ARCH_CONVERT, entry_d->namelen);
INT_MOD(hdr_s->count, ARCH_CONVERT, -1);
INT_MOD(hdr_d->count, ARCH_CONVERT, +1);
tmp = INT_GET(hdr_d->count, ARCH_CONVERT) * (uint)sizeof(xfs_dir_leaf_entry_t)
be16_add(&hdr_s->namebytes, -(entry_d->namelen));
be16_add(&hdr_d->namebytes, entry_d->namelen);
be16_add(&hdr_s->count, -1);
be16_add(&hdr_d->count, +1);
tmp = be16_to_cpu(hdr_d->count) * (uint)sizeof(xfs_dir_leaf_entry_t)
+ (uint)sizeof(xfs_dir_leaf_hdr_t);
ASSERT(INT_GET(hdr_d->firstused, ARCH_CONVERT) >= tmp);
ASSERT(be16_to_cpu(hdr_d->firstused) >= tmp);
}
/*
* Zero out the entries we just copied.
*/
if (start_s == INT_GET(hdr_s->count, ARCH_CONVERT)) {
if (start_s == be16_to_cpu(hdr_s->count)) {
tmp = count * (uint)sizeof(xfs_dir_leaf_entry_t);
entry_s = &leaf_s->entries[start_s];
ASSERT((char *)entry_s + tmp <= (char *)leaf_s + XFS_LBSIZE(mp));
@ -1851,14 +1861,14 @@ xfs_dir_leaf_moveents(xfs_dir_leafblock_t *leaf_s, int start_s,
* Move the remaining entries down to fill the hole,
* then zero the entries at the top.
*/
tmp = INT_GET(hdr_s->count, ARCH_CONVERT) - count;
tmp = be16_to_cpu(hdr_s->count) - count;
tmp *= (uint)sizeof(xfs_dir_leaf_entry_t);
entry_s = &leaf_s->entries[start_s + count];
entry_d = &leaf_s->entries[start_s];
memcpy(entry_d, entry_s, tmp);
tmp = count * (uint)sizeof(xfs_dir_leaf_entry_t);
entry_s = &leaf_s->entries[INT_GET(hdr_s->count, ARCH_CONVERT)];
entry_s = &leaf_s->entries[be16_to_cpu(hdr_s->count)];
ASSERT((char *)entry_s + tmp <= (char *)leaf_s + XFS_LBSIZE(mp));
memset((char *)entry_s, 0, tmp);
}
@ -1866,11 +1876,14 @@ xfs_dir_leaf_moveents(xfs_dir_leafblock_t *leaf_s, int start_s,
/*
* Fill in the freemap information
*/
INT_SET(hdr_d->freemap[0].base, ARCH_CONVERT, (uint)sizeof(xfs_dir_leaf_hdr_t));
INT_MOD(hdr_d->freemap[0].base, ARCH_CONVERT, INT_GET(hdr_d->count, ARCH_CONVERT) * (uint)sizeof(xfs_dir_leaf_entry_t));
INT_SET(hdr_d->freemap[0].size, ARCH_CONVERT, INT_GET(hdr_d->firstused, ARCH_CONVERT) - INT_GET(hdr_d->freemap[0].base, ARCH_CONVERT));
INT_SET(hdr_d->freemap[1].base, ARCH_CONVERT, (hdr_d->freemap[2].base = 0));
INT_SET(hdr_d->freemap[1].size, ARCH_CONVERT, (hdr_d->freemap[2].size = 0));
hdr_d->freemap[0].base = cpu_to_be16(sizeof(xfs_dir_leaf_hdr_t) +
be16_to_cpu(hdr_d->count) * sizeof(xfs_dir_leaf_entry_t));
hdr_d->freemap[0].size = cpu_to_be16(be16_to_cpu(hdr_d->firstused) -
be16_to_cpu(hdr_d->freemap[0].base));
hdr_d->freemap[1].base = 0;
hdr_d->freemap[1].size = 0;
hdr_d->freemap[2].base = 0;
hdr_d->freemap[2].size = 0;
hdr_s->holes = 1; /* leaf may not be compact */
}
@ -1886,11 +1899,11 @@ xfs_dir_leaf_order(xfs_dabuf_t *leaf1_bp, xfs_dabuf_t *leaf2_bp)
leaf2 = leaf2_bp->data;
ASSERT((be16_to_cpu(leaf1->hdr.info.magic) == XFS_DIR_LEAF_MAGIC) &&
(be16_to_cpu(leaf2->hdr.info.magic) == XFS_DIR_LEAF_MAGIC));
if ((INT_GET(leaf1->hdr.count, ARCH_CONVERT) > 0) && (INT_GET(leaf2->hdr.count, ARCH_CONVERT) > 0) &&
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[ INT_GET(leaf2->hdr.count, ARCH_CONVERT)-1 ].hashval, ARCH_CONVERT) <
INT_GET(leaf1->entries[ INT_GET(leaf1->hdr.count, ARCH_CONVERT)-1 ].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)))) {
return 1;
}
return 0;
@ -1907,10 +1920,10 @@ xfs_dir_leaf_lasthash(xfs_dabuf_t *bp, int *count)
leaf = bp->data;
ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_DIR_LEAF_MAGIC);
if (count)
*count = INT_GET(leaf->hdr.count, ARCH_CONVERT);
*count = be16_to_cpu(leaf->hdr.count);
if (!leaf->hdr.count)
return(0);
return(INT_GET(leaf->entries[ INT_GET(leaf->hdr.count, ARCH_CONVERT)-1 ].hashval, ARCH_CONVERT));
return(INT_GET(leaf->entries[be16_to_cpu(leaf->hdr.count)-1].hashval, ARCH_CONVERT));
}
/*
@ -1956,8 +1969,7 @@ xfs_dir_leaf_getdents_int(
* Re-find our place.
*/
for (i = entno = 0, entry = &leaf->entries[0];
i < INT_GET(leaf->hdr.count, ARCH_CONVERT);
entry++, i++) {
i < be16_to_cpu(leaf->hdr.count); entry++, i++) {
namest = XFS_DIR_LEAF_NAMESTRUCT(leaf,
INT_GET(entry->nameidx, ARCH_CONVERT));
@ -1991,7 +2003,7 @@ xfs_dir_leaf_getdents_int(
}
}
if (i == INT_GET(leaf->hdr.count, ARCH_CONVERT)) {
if (i == be16_to_cpu(leaf->hdr.count)) {
xfs_dir_trace_g_du("leaf: hash not found", dp, uio);
if (!leaf->hdr.info.forw)
uio->uio_offset =
@ -2012,7 +2024,7 @@ xfs_dir_leaf_getdents_int(
/*
* We're synchronized, start copying entries out to the user.
*/
for (; entno >= 0 && i < INT_GET(leaf->hdr.count, ARCH_CONVERT);
for (; entno >= 0 && i < be16_to_cpu(leaf->hdr.count);
entry++, i++, (entno = nextentno)) {
int lastresid=0, retval;
xfs_dircook_t lastoffset;
@ -2037,7 +2049,7 @@ xfs_dir_leaf_getdents_int(
xfs_dir_trace_g_duc("leaf: middle cookie ",
dp, uio, p.cook.o);
if (i < (INT_GET(leaf->hdr.count, ARCH_CONVERT) - 1)) {
if (i < (be16_to_cpu(leaf->hdr.count) - 1)) {
nexthash = INT_GET(entry[1].hashval, ARCH_CONVERT);
if (nexthash == INT_GET(entry->hashval, ARCH_CONVERT))

14
fs/xfs/xfs_dir_leaf.h
View File

@ -68,17 +68,17 @@ struct xfs_trans;
#define XFS_DIR_LEAF_MAPSIZE 3 /* how many freespace slots */
typedef struct xfs_dir_leaf_map { /* RLE map of free bytes */
__uint16_t base; /* base of free region */
__uint16_t size; /* run length of free region */
__be16 base; /* base of free region */
__be16 size; /* run length of free region */
} xfs_dir_leaf_map_t;
typedef struct xfs_dir_leaf_hdr { /* constant-structure header block */
xfs_da_blkinfo_t info; /* block type, links, etc. */
__uint16_t count; /* count of active leaf_entry's */
__uint16_t namebytes; /* num bytes of name strings stored */
__uint16_t firstused; /* first used byte in name area */
__uint8_t holes; /* != 0 if blk needs compaction */
__uint8_t pad1;
__be16 count; /* count of active leaf_entry's */
__be16 namebytes; /* num bytes of name strings stored */
__be16 firstused; /* first used byte in name area */
__u8 holes; /* != 0 if blk needs compaction */
__u8 pad1;
xfs_dir_leaf_map_t freemap[XFS_DIR_LEAF_MAPSIZE];
} xfs_dir_leaf_hdr_t;