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Diffstat (limited to 'fs/xfs/xfs_dir2_node.c')
-rw-r--r--fs/xfs/xfs_dir2_node.c117
1 files changed, 63 insertions, 54 deletions
diff --git a/fs/xfs/xfs_dir2_node.c b/fs/xfs/xfs_dir2_node.c
index 9cfc003..3a426ed 100644
--- a/fs/xfs/xfs_dir2_node.c
+++ b/fs/xfs/xfs_dir2_node.c
@@ -54,15 +54,15 @@ static int xfs_dir2_node_addname_int(xfs_da_args_t *args,
* Check internal consistency of a leafn block.
*/
#ifdef DEBUG
-#define xfs_dir3_leaf_check(mp, bp) \
+#define xfs_dir3_leaf_check(dp, bp) \
do { \
- if (!xfs_dir3_leafn_check((mp), (bp))) \
+ if (!xfs_dir3_leafn_check((dp), (bp))) \
ASSERT(0); \
} while (0);
static bool
xfs_dir3_leafn_check(
- struct xfs_mount *mp,
+ struct xfs_inode *dp,
struct xfs_buf *bp)
{
struct xfs_dir2_leaf *leaf = bp->b_addr;
@@ -77,10 +77,10 @@ xfs_dir3_leafn_check(
} else if (leafhdr.magic != XFS_DIR2_LEAFN_MAGIC)
return false;
- return xfs_dir3_leaf_check_int(mp, &leafhdr, leaf);
+ return xfs_dir3_leaf_check_int(dp->i_mount, dp, &leafhdr, leaf);
}
#else
-#define xfs_dir3_leaf_check(mp, bp)
+#define xfs_dir3_leaf_check(dp, bp)
#endif
static bool
@@ -408,8 +408,8 @@ xfs_dir2_leaf_to_node(
leaf->hdr.info.magic = cpu_to_be16(XFS_DIR3_LEAFN_MAGIC);
lbp->b_ops = &xfs_dir3_leafn_buf_ops;
xfs_trans_buf_set_type(tp, lbp, XFS_BLFT_DIR_LEAFN_BUF);
- xfs_dir3_leaf_log_header(tp, lbp);
- xfs_dir3_leaf_check(mp, lbp);
+ xfs_dir3_leaf_log_header(tp, dp, lbp);
+ xfs_dir3_leaf_check(dp, lbp);
return 0;
}
@@ -443,7 +443,7 @@ xfs_dir2_leafn_add(
tp = args->trans;
leaf = bp->b_addr;
xfs_dir3_leaf_hdr_from_disk(&leafhdr, leaf);
- ents = xfs_dir3_leaf_ents_p(leaf);
+ ents = dp->d_ops->leaf_ents_p(leaf);
/*
* Quick check just to make sure we are not going to index
@@ -459,7 +459,7 @@ xfs_dir2_leafn_add(
* a compact.
*/
- if (leafhdr.count == xfs_dir3_max_leaf_ents(mp, leaf)) {
+ if (leafhdr.count == dp->d_ops->leaf_max_ents(mp)) {
if (!leafhdr.stale)
return XFS_ERROR(ENOSPC);
compact = leafhdr.stale > 1;
@@ -498,9 +498,9 @@ xfs_dir2_leafn_add(
args->blkno, args->index));
xfs_dir3_leaf_hdr_to_disk(leaf, &leafhdr);
- xfs_dir3_leaf_log_header(tp, bp);
- xfs_dir3_leaf_log_ents(tp, bp, lfloglow, lfloghigh);
- xfs_dir3_leaf_check(mp, bp);
+ xfs_dir3_leaf_log_header(tp, dp, bp);
+ xfs_dir3_leaf_log_ents(tp, dp, bp, lfloglow, lfloghigh);
+ xfs_dir3_leaf_check(dp, bp);
return 0;
}
@@ -529,6 +529,7 @@ xfs_dir2_free_hdr_check(
*/
xfs_dahash_t /* hash value */
xfs_dir2_leafn_lasthash(
+ struct xfs_inode *dp,
struct xfs_buf *bp, /* leaf buffer */
int *count) /* count of entries in leaf */
{
@@ -546,7 +547,7 @@ xfs_dir2_leafn_lasthash(
if (!leafhdr.count)
return 0;
- ents = xfs_dir3_leaf_ents_p(leaf);
+ ents = dp->d_ops->leaf_ents_p(leaf);
return be32_to_cpu(ents[leafhdr.count - 1].hashval);
}
@@ -584,9 +585,9 @@ xfs_dir2_leafn_lookup_for_addname(
mp = dp->i_mount;
leaf = bp->b_addr;
xfs_dir3_leaf_hdr_from_disk(&leafhdr, leaf);
- ents = xfs_dir3_leaf_ents_p(leaf);
+ ents = dp->d_ops->leaf_ents_p(leaf);
- xfs_dir3_leaf_check(mp, bp);
+ xfs_dir3_leaf_check(dp, bp);
ASSERT(leafhdr.count > 0);
/*
@@ -734,9 +735,9 @@ xfs_dir2_leafn_lookup_for_entry(
mp = dp->i_mount;
leaf = bp->b_addr;
xfs_dir3_leaf_hdr_from_disk(&leafhdr, leaf);
- ents = xfs_dir3_leaf_ents_p(leaf);
+ ents = dp->d_ops->leaf_ents_p(leaf);
- xfs_dir3_leaf_check(mp, bp);
+ xfs_dir3_leaf_check(dp, bp);
ASSERT(leafhdr.count > 0);
/*
@@ -906,7 +907,7 @@ xfs_dir3_leafn_moveents(
if (start_d < dhdr->count) {
memmove(&dents[start_d + count], &dents[start_d],
(dhdr->count - start_d) * sizeof(xfs_dir2_leaf_entry_t));
- xfs_dir3_leaf_log_ents(tp, bp_d, start_d + count,
+ xfs_dir3_leaf_log_ents(tp, args->dp, bp_d, start_d + count,
count + dhdr->count - 1);
}
/*
@@ -928,7 +929,8 @@ xfs_dir3_leafn_moveents(
*/
memcpy(&dents[start_d], &sents[start_s],
count * sizeof(xfs_dir2_leaf_entry_t));
- xfs_dir3_leaf_log_ents(tp, bp_d, start_d, start_d + count - 1);
+ xfs_dir3_leaf_log_ents(tp, args->dp, bp_d,
+ start_d, start_d + count - 1);
/*
* If there are source entries after the ones we copied,
@@ -937,7 +939,8 @@ xfs_dir3_leafn_moveents(
if (start_s + count < shdr->count) {
memmove(&sents[start_s], &sents[start_s + count],
count * sizeof(xfs_dir2_leaf_entry_t));
- xfs_dir3_leaf_log_ents(tp, bp_s, start_s, start_s + count - 1);
+ xfs_dir3_leaf_log_ents(tp, args->dp, bp_s,
+ start_s, start_s + count - 1);
}
/*
@@ -955,6 +958,7 @@ xfs_dir3_leafn_moveents(
*/
int /* sort order */
xfs_dir2_leafn_order(
+ struct xfs_inode *dp,
struct xfs_buf *leaf1_bp, /* leaf1 buffer */
struct xfs_buf *leaf2_bp) /* leaf2 buffer */
{
@@ -967,8 +971,8 @@ xfs_dir2_leafn_order(
xfs_dir3_leaf_hdr_from_disk(&hdr1, leaf1);
xfs_dir3_leaf_hdr_from_disk(&hdr2, leaf2);
- ents1 = xfs_dir3_leaf_ents_p(leaf1);
- ents2 = xfs_dir3_leaf_ents_p(leaf2);
+ ents1 = dp->d_ops->leaf_ents_p(leaf1);
+ ents2 = dp->d_ops->leaf_ents_p(leaf2);
if (hdr1.count > 0 && hdr2.count > 0 &&
(be32_to_cpu(ents2[0].hashval) < be32_to_cpu(ents1[0].hashval) ||
@@ -1006,12 +1010,13 @@ xfs_dir2_leafn_rebalance(
struct xfs_dir2_leaf_entry *ents2;
struct xfs_dir3_icleaf_hdr hdr1;
struct xfs_dir3_icleaf_hdr hdr2;
+ struct xfs_inode *dp = state->args->dp;
args = state->args;
/*
* If the block order is wrong, swap the arguments.
*/
- if ((swap = xfs_dir2_leafn_order(blk1->bp, blk2->bp))) {
+ if ((swap = xfs_dir2_leafn_order(dp, blk1->bp, blk2->bp))) {
xfs_da_state_blk_t *tmp; /* temp for block swap */
tmp = blk1;
@@ -1022,8 +1027,8 @@ xfs_dir2_leafn_rebalance(
leaf2 = blk2->bp->b_addr;
xfs_dir3_leaf_hdr_from_disk(&hdr1, leaf1);
xfs_dir3_leaf_hdr_from_disk(&hdr2, leaf2);
- ents1 = xfs_dir3_leaf_ents_p(leaf1);
- ents2 = xfs_dir3_leaf_ents_p(leaf2);
+ ents1 = dp->d_ops->leaf_ents_p(leaf1);
+ ents2 = dp->d_ops->leaf_ents_p(leaf2);
oldsum = hdr1.count + hdr2.count;
#if defined(DEBUG) || defined(XFS_WARN)
@@ -1071,11 +1076,11 @@ xfs_dir2_leafn_rebalance(
/* log the changes made when moving the entries */
xfs_dir3_leaf_hdr_to_disk(leaf1, &hdr1);
xfs_dir3_leaf_hdr_to_disk(leaf2, &hdr2);
- xfs_dir3_leaf_log_header(args->trans, blk1->bp);
- xfs_dir3_leaf_log_header(args->trans, blk2->bp);
+ xfs_dir3_leaf_log_header(args->trans, dp, blk1->bp);
+ xfs_dir3_leaf_log_header(args->trans, dp, blk2->bp);
- xfs_dir3_leaf_check(args->dp->i_mount, blk1->bp);
- xfs_dir3_leaf_check(args->dp->i_mount, blk2->bp);
+ xfs_dir3_leaf_check(dp, blk1->bp);
+ xfs_dir3_leaf_check(dp, blk2->bp);
/*
* Mark whether we're inserting into the old or new leaf.
@@ -1096,10 +1101,10 @@ xfs_dir2_leafn_rebalance(
* Finally sanity check just to make sure we are not returning a
* negative index
*/
- if(blk2->index < 0) {
+ if (blk2->index < 0) {
state->inleaf = 1;
blk2->index = 0;
- xfs_alert(args->dp->i_mount,
+ xfs_alert(dp->i_mount,
"%s: picked the wrong leaf? reverting original leaf: blk1->index %d",
__func__, blk1->index);
}
@@ -1222,7 +1227,7 @@ xfs_dir2_leafn_remove(
mp = dp->i_mount;
leaf = bp->b_addr;
xfs_dir3_leaf_hdr_from_disk(&leafhdr, leaf);
- ents = xfs_dir3_leaf_ents_p(leaf);
+ ents = dp->d_ops->leaf_ents_p(leaf);
/*
* Point to the entry we're removing.
@@ -1243,10 +1248,10 @@ xfs_dir2_leafn_remove(
*/
leafhdr.stale++;
xfs_dir3_leaf_hdr_to_disk(leaf, &leafhdr);
- xfs_dir3_leaf_log_header(tp, bp);
+ xfs_dir3_leaf_log_header(tp, dp, bp);
lep->address = cpu_to_be32(XFS_DIR2_NULL_DATAPTR);
- xfs_dir3_leaf_log_ents(tp, bp, index, index);
+ xfs_dir3_leaf_log_ents(tp, dp, bp, index, index);
/*
* Make the data entry free. Keep track of the longest freespace
@@ -1335,12 +1340,12 @@ xfs_dir2_leafn_remove(
return error;
}
- xfs_dir3_leaf_check(mp, bp);
+ xfs_dir3_leaf_check(dp, bp);
/*
* Return indication of whether this leaf block is empty enough
* to justify trying to join it with a neighbor.
*/
- *rval = (xfs_dir3_leaf_hdr_size(leaf) +
+ *rval = (dp->d_ops->leaf_hdr_size() +
(uint)sizeof(ents[0]) * (leafhdr.count - leafhdr.stale)) <
mp->m_dir_magicpct;
return 0;
@@ -1359,12 +1364,14 @@ xfs_dir2_leafn_split(
xfs_dablk_t blkno; /* new leaf block number */
int error; /* error return value */
xfs_mount_t *mp; /* filesystem mount point */
+ struct xfs_inode *dp;
/*
* Allocate space for a new leaf node.
*/
args = state->args;
- mp = args->dp->i_mount;
+ dp = args->dp;
+ mp = dp->i_mount;
ASSERT(args != NULL);
ASSERT(oldblk->magic == XFS_DIR2_LEAFN_MAGIC);
error = xfs_da_grow_inode(args, &blkno);
@@ -1400,10 +1407,10 @@ xfs_dir2_leafn_split(
/*
* Update last hashval in each block since we added the name.
*/
- oldblk->hashval = xfs_dir2_leafn_lasthash(oldblk->bp, NULL);
- newblk->hashval = xfs_dir2_leafn_lasthash(newblk->bp, NULL);
- xfs_dir3_leaf_check(mp, oldblk->bp);
- xfs_dir3_leaf_check(mp, newblk->bp);
+ oldblk->hashval = xfs_dir2_leafn_lasthash(dp, oldblk->bp, NULL);
+ newblk->hashval = xfs_dir2_leafn_lasthash(dp, newblk->bp, NULL);
+ xfs_dir3_leaf_check(dp, oldblk->bp);
+ xfs_dir3_leaf_check(dp, newblk->bp);
return error;
}
@@ -1433,6 +1440,7 @@ xfs_dir2_leafn_toosmall(
int rval; /* result from path_shift */
struct xfs_dir3_icleaf_hdr leafhdr;
struct xfs_dir2_leaf_entry *ents;
+ struct xfs_inode *dp = state->args->dp;
/*
* Check for the degenerate case of the block being over 50% full.
@@ -1442,11 +1450,11 @@ xfs_dir2_leafn_toosmall(
blk = &state->path.blk[state->path.active - 1];
leaf = blk->bp->b_addr;
xfs_dir3_leaf_hdr_from_disk(&leafhdr, leaf);
- ents = xfs_dir3_leaf_ents_p(leaf);
- xfs_dir3_leaf_check(state->args->dp->i_mount, blk->bp);
+ ents = dp->d_ops->leaf_ents_p(leaf);
+ xfs_dir3_leaf_check(dp, blk->bp);
count = leafhdr.count - leafhdr.stale;
- bytes = xfs_dir3_leaf_hdr_size(leaf) + count * sizeof(ents[0]);
+ bytes = dp->d_ops->leaf_hdr_size() + count * sizeof(ents[0]);
if (bytes > (state->blocksize >> 1)) {
/*
* Blk over 50%, don't try to join.
@@ -1491,7 +1499,7 @@ xfs_dir2_leafn_toosmall(
/*
* Read the sibling leaf block.
*/
- error = xfs_dir3_leafn_read(state->args->trans, state->args->dp,
+ error = xfs_dir3_leafn_read(state->args->trans, dp,
blkno, -1, &bp);
if (error)
return error;
@@ -1504,7 +1512,7 @@ xfs_dir2_leafn_toosmall(
leaf = bp->b_addr;
xfs_dir3_leaf_hdr_from_disk(&hdr2, leaf);
- ents = xfs_dir3_leaf_ents_p(leaf);
+ ents = dp->d_ops->leaf_ents_p(leaf);
count += hdr2.count - hdr2.stale;
bytes -= count * sizeof(ents[0]);
@@ -1558,6 +1566,7 @@ xfs_dir2_leafn_unbalance(
struct xfs_dir3_icleaf_hdr drophdr;
struct xfs_dir2_leaf_entry *sents;
struct xfs_dir2_leaf_entry *dents;
+ struct xfs_inode *dp = state->args->dp;
args = state->args;
ASSERT(drop_blk->magic == XFS_DIR2_LEAFN_MAGIC);
@@ -1567,8 +1576,8 @@ xfs_dir2_leafn_unbalance(
xfs_dir3_leaf_hdr_from_disk(&savehdr, save_leaf);
xfs_dir3_leaf_hdr_from_disk(&drophdr, drop_leaf);
- sents = xfs_dir3_leaf_ents_p(save_leaf);
- dents = xfs_dir3_leaf_ents_p(drop_leaf);
+ sents = args->dp->d_ops->leaf_ents_p(save_leaf);
+ dents = args->dp->d_ops->leaf_ents_p(drop_leaf);
/*
* If there are any stale leaf entries, take this opportunity
@@ -1583,7 +1592,7 @@ xfs_dir2_leafn_unbalance(
* Move the entries from drop to the appropriate end of save.
*/
drop_blk->hashval = be32_to_cpu(dents[drophdr.count - 1].hashval);
- if (xfs_dir2_leafn_order(save_blk->bp, drop_blk->bp))
+ if (xfs_dir2_leafn_order(dp, save_blk->bp, drop_blk->bp))
xfs_dir3_leafn_moveents(args, drop_blk->bp, &drophdr, dents, 0,
save_blk->bp, &savehdr, sents, 0,
drophdr.count);
@@ -1596,11 +1605,11 @@ xfs_dir2_leafn_unbalance(
/* log the changes made when moving the entries */
xfs_dir3_leaf_hdr_to_disk(save_leaf, &savehdr);
xfs_dir3_leaf_hdr_to_disk(drop_leaf, &drophdr);
- xfs_dir3_leaf_log_header(args->trans, save_blk->bp);
- xfs_dir3_leaf_log_header(args->trans, drop_blk->bp);
+ xfs_dir3_leaf_log_header(args->trans, dp, save_blk->bp);
+ xfs_dir3_leaf_log_header(args->trans, dp, drop_blk->bp);
- xfs_dir3_leaf_check(args->dp->i_mount, save_blk->bp);
- xfs_dir3_leaf_check(args->dp->i_mount, drop_blk->bp);
+ xfs_dir3_leaf_check(dp, save_blk->bp);
+ xfs_dir3_leaf_check(dp, drop_blk->bp);
}
/*
@@ -2211,7 +2220,7 @@ xfs_dir2_node_replace(
blk = &state->path.blk[state->path.active - 1];
ASSERT(blk->magic == XFS_DIR2_LEAFN_MAGIC);
leaf = blk->bp->b_addr;
- ents = xfs_dir3_leaf_ents_p(leaf);
+ ents = args->dp->d_ops->leaf_ents_p(leaf);
lep = &ents[blk->index];
ASSERT(state->extravalid);
/*
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