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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
parent978b7237123d007b9fa983af6e0e2fa8f97f9934 (diff)
[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>
-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;