summary refs log tree commit diff
path: root/fs
diff options
context:
space:
mode:
authorDavid Chinner <dgc@sgi.com>2008-05-19 16:29:34 +1000
committerLachlan McIlroy <lachlan@redback.melbourne.sgi.com>2008-05-23 15:26:03 +1000
commit49383b0e98ad1f69ff4c816eb1961f703df12318 (patch)
treee99cd87ff5d2b104682b04e470f01f79ac84996b /fs
parent978b7237123d007b9fa983af6e0e2fa8f97f9934 (diff)
downloadlinux-49383b0e98ad1f69ff4c816eb1961f703df12318.tar.gz
[XFS] Don't allow memory reclaim to wait on the filesystem in inode
writeback

If we allow memory reclaim to wait on the pages under writeback in inode
cluster writeback we could deadlock because we are currently holding the
ILOCK on the initial writeback inode which is needed in data I/O
completion to change the file size or do unwritten extent conversion
before the pages are taken out of writeback state.

SGI-PV: 981091
SGI-Modid: xfs-linux-melb:xfs-kern:31015a

Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/xfs/xfs_inode.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index cf0bb9c1d621..739ea45a9d10 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -2986,7 +2986,7 @@ xfs_iflush_cluster(
 	ASSERT(pag->pag_ici_init);
 
 	ilist_size = XFS_INODE_CLUSTER_SIZE(mp) * sizeof(xfs_inode_t *);
-	ilist = kmem_alloc(ilist_size, KM_MAYFAIL);
+	ilist = kmem_alloc(ilist_size, KM_MAYFAIL|KM_NOFS);
 	if (!ilist)
 		return 0;