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authorChristoph Hellwig <hch@infradead.org>2009-07-18 18:14:55 -0400
committerFelix Blyakher <felixb@sgi.com>2009-08-12 01:07:07 -0500
commitf41d7fb9da05b604f8a69fb6cac2a0563c8ede4e (patch)
tree7602eb7f81322551fd4fd8e37f11e05550bf49b2
parentca35dcd6cae7d4a780c484c53f45548c4719f82c (diff)
xfs: switch to NOFS allocation under i_lock in xfs_da_state_alloc
xfs_da_state_alloc is always called with i_lock held, but i_lock is taken in reclaim context so all allocations under it must avoid recursions into the filesystem. Reported by the new reclaim context tracing in lockdep. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Felix Blyakher <felixb@sgi.com> Signed-off-by: Felix Blyakher <felixb@sgi.com>
-rw-r--r--fs/xfs/xfs_da_btree.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/xfs/xfs_da_btree.c b/fs/xfs/xfs_da_btree.c
index 9ff6e57a507..bd0bb6dfcdf 100644
--- a/fs/xfs/xfs_da_btree.c
+++ b/fs/xfs/xfs_da_btree.c
@@ -2201,7 +2201,7 @@ kmem_zone_t *xfs_dabuf_zone; /* dabuf zone */
xfs_da_state_t *
xfs_da_state_alloc(void)
{
- return kmem_zone_zalloc(xfs_da_state_zone, KM_SLEEP);
+ return kmem_zone_zalloc(xfs_da_state_zone, KM_NOFS);
}
/*