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path: root/fs/xfs/libxfs/xfs_attr_leaf.c
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Diffstat (limited to 'fs/xfs/libxfs/xfs_attr_leaf.c')
-rw-r--r--fs/xfs/libxfs/xfs_attr_leaf.c63
1 files changed, 32 insertions, 31 deletions
diff --git a/fs/xfs/libxfs/xfs_attr_leaf.c b/fs/xfs/libxfs/xfs_attr_leaf.c
index b9e98950eb3d..fddb55605e0c 100644
--- a/fs/xfs/libxfs/xfs_attr_leaf.c
+++ b/fs/xfs/libxfs/xfs_attr_leaf.c
@@ -47,7 +47,7 @@
*/
STATIC int xfs_attr3_leaf_create(struct xfs_da_args *args,
xfs_dablk_t which_block, struct xfs_buf **bpp);
-STATIC int xfs_attr3_leaf_add_work(struct xfs_buf *leaf_buffer,
+STATIC void xfs_attr3_leaf_add_work(struct xfs_buf *leaf_buffer,
struct xfs_attr3_icleaf_hdr *ichdr,
struct xfs_da_args *args, int freemap_index);
STATIC void xfs_attr3_leaf_compact(struct xfs_da_args *args,
@@ -686,7 +686,7 @@ xfs_attr_shortform_bytesfit(
*/
if (!dp->i_forkoff && dp->i_df.if_bytes >
xfs_default_attroffset(dp))
- dsize = XFS_BMDR_SPACE_CALC(MINDBTPTRS);
+ dsize = xfs_bmdr_space_calc(MINDBTPTRS);
break;
case XFS_DINODE_FMT_BTREE:
/*
@@ -700,7 +700,7 @@ xfs_attr_shortform_bytesfit(
return 0;
return dp->i_forkoff;
}
- dsize = XFS_BMAP_BROOT_SPACE(mp, dp->i_df.if_broot);
+ dsize = xfs_bmap_bmdr_space(dp->i_df.if_broot);
break;
}
@@ -708,11 +708,11 @@ xfs_attr_shortform_bytesfit(
* A data fork btree root must have space for at least
* MINDBTPTRS key/ptr pairs if the data fork is small or empty.
*/
- minforkoff = max_t(int64_t, dsize, XFS_BMDR_SPACE_CALC(MINDBTPTRS));
+ minforkoff = max_t(int64_t, dsize, xfs_bmdr_space_calc(MINDBTPTRS));
minforkoff = roundup(minforkoff, 8) >> 3;
/* attr fork btree root can have at least this many key/ptr pairs */
- maxforkoff = XFS_LITINO(mp) - XFS_BMDR_SPACE_CALC(MINABTPTRS);
+ maxforkoff = XFS_LITINO(mp) - xfs_bmdr_space_calc(MINABTPTRS);
maxforkoff = maxforkoff >> 3; /* rounded down */
if (offset >= maxforkoff)
@@ -995,10 +995,8 @@ xfs_attr_shortform_to_leaf(
xfs_attr_sethash(&nargs);
error = xfs_attr3_leaf_lookup_int(bp, &nargs); /* set a->index */
ASSERT(error == -ENOATTR);
- error = xfs_attr3_leaf_add(bp, &nargs);
- ASSERT(error != -ENOSPC);
- if (error)
- goto out;
+ if (!xfs_attr3_leaf_add(bp, &nargs))
+ ASSERT(0);
sfe = xfs_attr_sf_nextentry(sfe);
}
error = 0;
@@ -1138,10 +1136,7 @@ xfs_attr3_leaf_to_shortform(
trace_xfs_attr_leaf_to_sf(args);
- tmpbuffer = kmalloc(args->geo->blksize, GFP_KERNEL | __GFP_NOFAIL);
- if (!tmpbuffer)
- return -ENOMEM;
-
+ tmpbuffer = kvmalloc(args->geo->blksize, GFP_KERNEL | __GFP_NOFAIL);
memcpy(tmpbuffer, bp->b_addr, args->geo->blksize);
leaf = (xfs_attr_leafblock_t *)tmpbuffer;
@@ -1205,7 +1200,7 @@ xfs_attr3_leaf_to_shortform(
error = 0;
out:
- kfree(tmpbuffer);
+ kvfree(tmpbuffer);
return error;
}
@@ -1336,6 +1331,9 @@ xfs_attr3_leaf_create(
/*
* Split the leaf node, rebalance, then add the new entry.
+ *
+ * Returns 0 if the entry was added, 1 if a further split is needed or a
+ * negative error number otherwise.
*/
int
xfs_attr3_leaf_split(
@@ -1343,8 +1341,9 @@ xfs_attr3_leaf_split(
struct xfs_da_state_blk *oldblk,
struct xfs_da_state_blk *newblk)
{
- xfs_dablk_t blkno;
- int error;
+ bool added;
+ xfs_dablk_t blkno;
+ int error;
trace_xfs_attr_leaf_split(state->args);
@@ -1379,10 +1378,10 @@ xfs_attr3_leaf_split(
*/
if (state->inleaf) {
trace_xfs_attr_leaf_add_old(state->args);
- error = xfs_attr3_leaf_add(oldblk->bp, state->args);
+ added = xfs_attr3_leaf_add(oldblk->bp, state->args);
} else {
trace_xfs_attr_leaf_add_new(state->args);
- error = xfs_attr3_leaf_add(newblk->bp, state->args);
+ added = xfs_attr3_leaf_add(newblk->bp, state->args);
}
/*
@@ -1390,13 +1389,15 @@ xfs_attr3_leaf_split(
*/
oldblk->hashval = xfs_attr_leaf_lasthash(oldblk->bp, NULL);
newblk->hashval = xfs_attr_leaf_lasthash(newblk->bp, NULL);
- return error;
+ if (!added)
+ return 1;
+ return 0;
}
/*
* Add a name to the leaf attribute list structure.
*/
-int
+bool
xfs_attr3_leaf_add(
struct xfs_buf *bp,
struct xfs_da_args *args)
@@ -1405,6 +1406,7 @@ xfs_attr3_leaf_add(
struct xfs_attr3_icleaf_hdr ichdr;
int tablesize;
int entsize;
+ bool added = true;
int sum;
int tmp;
int i;
@@ -1433,7 +1435,7 @@ xfs_attr3_leaf_add(
if (ichdr.freemap[i].base < ichdr.firstused)
tmp += sizeof(xfs_attr_leaf_entry_t);
if (ichdr.freemap[i].size >= tmp) {
- tmp = xfs_attr3_leaf_add_work(bp, &ichdr, args, i);
+ xfs_attr3_leaf_add_work(bp, &ichdr, args, i);
goto out_log_hdr;
}
sum += ichdr.freemap[i].size;
@@ -1445,7 +1447,7 @@ xfs_attr3_leaf_add(
* no good and we should just give up.
*/
if (!ichdr.holes && sum < entsize)
- return -ENOSPC;
+ return false;
/*
* Compact the entries to coalesce free space.
@@ -1458,24 +1460,24 @@ xfs_attr3_leaf_add(
* free region, in freemap[0]. If it is not big enough, give up.
*/
if (ichdr.freemap[0].size < (entsize + sizeof(xfs_attr_leaf_entry_t))) {
- tmp = -ENOSPC;
+ added = false;
goto out_log_hdr;
}
- tmp = xfs_attr3_leaf_add_work(bp, &ichdr, args, 0);
+ xfs_attr3_leaf_add_work(bp, &ichdr, args, 0);
out_log_hdr:
xfs_attr3_leaf_hdr_to_disk(args->geo, leaf, &ichdr);
xfs_trans_log_buf(args->trans, bp,
XFS_DA_LOGRANGE(leaf, &leaf->hdr,
xfs_attr3_leaf_hdr_size(leaf)));
- return tmp;
+ return added;
}
/*
* Add a name to a leaf attribute list structure.
*/
-STATIC int
+STATIC void
xfs_attr3_leaf_add_work(
struct xfs_buf *bp,
struct xfs_attr3_icleaf_hdr *ichdr,
@@ -1593,7 +1595,6 @@ xfs_attr3_leaf_add_work(
}
}
ichdr->usedbytes += xfs_attr_leaf_entsize(leaf, args->index);
- return 0;
}
/*
@@ -1613,7 +1614,7 @@ xfs_attr3_leaf_compact(
trace_xfs_attr_leaf_compact(args);
- tmpbuffer = kmalloc(args->geo->blksize, GFP_KERNEL | __GFP_NOFAIL);
+ tmpbuffer = kvmalloc(args->geo->blksize, GFP_KERNEL | __GFP_NOFAIL);
memcpy(tmpbuffer, bp->b_addr, args->geo->blksize);
memset(bp->b_addr, 0, args->geo->blksize);
leaf_src = (xfs_attr_leafblock_t *)tmpbuffer;
@@ -1651,7 +1652,7 @@ xfs_attr3_leaf_compact(
*/
xfs_trans_log_buf(trans, bp, 0, args->geo->blksize - 1);
- kfree(tmpbuffer);
+ kvfree(tmpbuffer);
}
/*
@@ -2330,7 +2331,7 @@ xfs_attr3_leaf_unbalance(
struct xfs_attr_leafblock *tmp_leaf;
struct xfs_attr3_icleaf_hdr tmphdr;
- tmp_leaf = kzalloc(state->args->geo->blksize,
+ tmp_leaf = kvzalloc(state->args->geo->blksize,
GFP_KERNEL | __GFP_NOFAIL);
/*
@@ -2371,7 +2372,7 @@ xfs_attr3_leaf_unbalance(
}
memcpy(save_leaf, tmp_leaf, state->args->geo->blksize);
savehdr = tmphdr; /* struct copy */
- kfree(tmp_leaf);
+ kvfree(tmp_leaf);
}
xfs_attr3_leaf_hdr_to_disk(state->args->geo, save_leaf, &savehdr);
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-24 20:53:23 +0300