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NFSv4: Ensure nfs_atomic_open set the dentry verifier on ENOENT

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If the OPEN rpc call to the server fails with an ENOENT call, nfs_atomic_open
will create a negative dentry for that file, however it currently fails
to call nfs_set_verifier(), thus causing the dentry to be immediately
revalidated on the next call to nfs_lookup_revalidate() instead of following
the usual lookup caching rules.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Trond Myklebust 2014-10-23 19:33:14 +03:00
parent 0df1f2487d
commit 809fd143de
1 changed files with 1 additions and 0 deletions
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fs/nfs/dir.c
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@ -1527,6 +1527,7 @@ int nfs_atomic_open(struct inode *dir, struct dentry *dentry,
case -ENOENT:
d_drop(dentry);
d_add(dentry, NULL);
nfs_set_verifier(dentry, nfs_save_change_attribute(dir));
break;
case -EISDIR:
case -ENOTDIR: