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authorDave Chinner <david@fromorbit.com>2015-08-25 10:13:35 +1000
committerDave Chinner <david@fromorbit.com>2015-08-25 10:13:35 +1000
commit70b33a7466baac62103e04c916b8915665b79d80 (patch)
tree14549cadf0ddb49f3392eb9869c62e3d5ec4ce20 /fs/xfs/xfs_buf_item.c
parentaa493382cb8c5768ba452d87f175fc2aff63911d (diff)
parentf79af0b9090895520c69fbe1939184c4f8ed8426 (diff)
downloadlinux-next-70b33a7466baac62103e04c916b8915665b79d80.tar.gz
Merge branch 'xfs-misc-fixes-for-4.3-3' into for-next
Diffstat (limited to 'fs/xfs/xfs_buf_item.c')
-rw-r--r--fs/xfs/xfs_buf_item.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c
index 919057e0a45b..7e986da34f6c 100644
--- a/fs/xfs/xfs_buf_item.c
+++ b/fs/xfs/xfs_buf_item.c
@@ -746,13 +746,13 @@ xfs_buf_item_free_format(
* buffer (see xfs_buf_attach_iodone() below), then put the
* buf log item at the front.
*/
-void
+int
xfs_buf_item_init(
- xfs_buf_t *bp,
- xfs_mount_t *mp)
+ struct xfs_buf *bp,
+ struct xfs_mount *mp)
{
- xfs_log_item_t *lip = bp->b_fspriv;
- xfs_buf_log_item_t *bip;
+ struct xfs_log_item *lip = bp->b_fspriv;
+ struct xfs_buf_log_item *bip;
int chunks;
int map_size;
int error;
@@ -766,12 +766,11 @@ xfs_buf_item_init(
*/
ASSERT(bp->b_target->bt_mount == mp);
if (lip != NULL && lip->li_type == XFS_LI_BUF)
- return;
+ return 0;
bip = kmem_zone_zalloc(xfs_buf_item_zone, KM_SLEEP);
xfs_log_item_init(mp, &bip->bli_item, XFS_LI_BUF, &xfs_buf_item_ops);
bip->bli_buf = bp;
- xfs_buf_hold(bp);
/*
* chunks is the number of XFS_BLF_CHUNK size pieces the buffer
@@ -784,6 +783,11 @@ xfs_buf_item_init(
*/
error = xfs_buf_item_get_format(bip, bp->b_map_count);
ASSERT(error == 0);
+ if (error) { /* to stop gcc throwing set-but-unused warnings */
+ kmem_zone_free(xfs_buf_item_zone, bip);
+ return error;
+ }
+
for (i = 0; i < bip->bli_format_count; i++) {
chunks = DIV_ROUND_UP(BBTOB(bp->b_maps[i].bm_len),
@@ -803,6 +807,8 @@ xfs_buf_item_init(
if (bp->b_fspriv)
bip->bli_item.li_bio_list = bp->b_fspriv;
bp->b_fspriv = bip;
+ xfs_buf_hold(bp);
+ return 0;
}