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Code Issues Releases Wiki Activity

NFS: Fix an Oops in the nfs_access_cache_shrinker()

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The nfs_access_cache_shrinker may race with nfs_access_zap_cache().

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2007-06-05 19:23:43 -04:00
parent e2f032e9ef
commit a50f7951a3
1 changed files with 2 additions and 1 deletions
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3
fs/nfs/dir.c
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@ -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 @@ int nfs_access_cache_shrinker(int nr_to_scan, gfp_t gfp_mask)
clear_bit(NFS_INO_ACL_LRU_SET, &nfsi->flags);
}
spin_unlock(&inode->i_lock);
spin_unlock(&nfs_access_lru_lock);
iput(inode);
goto restart;
}