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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2007-06-05 23:23:43 (GMT) |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2007-07-11 03:40:25 (GMT) |
| commit | a50f7951a31d3b976e829250853f89c9d2da32c0 (patch) | |
| tree | de9e8a3f93ee724471a49d9edb1155adef8d41f5 | |
| parent | e2f032e9ef66e33089d09452892696ea97d1dca1 (diff) | |
| download | linux-a50f7951a31d3b976e829250853f89c9d2da32c0.tar.xz | |
NFS: Fix an Oops in the nfs_access_cache_shrinker()
The nfs_access_cache_shrinker may race with nfs_access_zap_cache().
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| -rw-r--r-- | fs/nfs/dir.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index 0f41678..322141f 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -1743,8 +1743,8 @@ int nfs_access_cache_shrinker(int nr_to_scan, gfp_t gfp_mask) struct nfs_inode *nfsi; struct nfs_access_entry *cache; - spin_lock(&nfs_access_lru_lock); restart: + spin_lock(&nfs_access_lru_lock); list_for_each_entry(nfsi, &nfs_access_lru_list, access_cache_inode_lru) { struct inode *inode; @@ -1769,6 +1769,7 @@ remove_lru_entry: clear_bit(NFS_INO_ACL_LRU_SET, &nfsi->flags); } spin_unlock(&inode->i_lock); + spin_unlock(&nfs_access_lru_lock); iput(inode); goto restart; } |