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authorChristoph Hellwig <hch@infradead.org>2011-10-11 15:14:09 +0000
committerAlex Elder <aelder@sgi.com>2011-10-11 11:02:48 -0500
commit17b38471c3c07a49f0bbc2ecc2e92050c164e226 (patch)
tree163e112a5736240efc29dab83d0603c931dff98f /fs/xfs/xfs_trans_ail.c
parentbc6e588a8971aa74c02e42db4d6e0248679f3738 (diff)
xfs: force the log if we encounter pinned buffers in .iop_pushbuf
We need to check for pinned buffers even in .iop_pushbuf given that inode items flush into the same buffers that may be pinned directly due operations on the unlinked inode list operating directly on buffers. To do this add a return value to .iop_pushbuf that tells the AIL push about this and use the existing log force mechanisms to unpin it. Signed-off-by: Christoph Hellwig <hch@lst.de> Reported-by: Stefan Priebe <s.priebe@profihost.ag> Tested-by: Stefan Priebe <s.priebe@profihost.ag> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Alex Elder <aelder@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_trans_ail.c')
-rw-r--r--fs/xfs/xfs_trans_ail.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/fs/xfs/xfs_trans_ail.c b/fs/xfs/xfs_trans_ail.c
index 9bd1ee55ef6a..e4cd9180d33a 100644
--- a/fs/xfs/xfs_trans_ail.c
+++ b/fs/xfs/xfs_trans_ail.c
@@ -427,8 +427,13 @@ xfs_ail_worker(
case XFS_ITEM_PUSHBUF:
XFS_STATS_INC(xs_push_ail_pushbuf);
- IOP_PUSHBUF(lip);
- ailp->xa_last_pushed_lsn = lsn;
+
+ if (!IOP_PUSHBUF(lip)) {
+ stuck++;
+ flush_log = 1;
+ } else {
+ ailp->xa_last_pushed_lsn = lsn;
+ }
push_xfsbufd = 1;
break;