diff options
| author | Trond Myklebust <trondmy@gmail.com> | 2020-01-06 13:18:03 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-02-11 04:35:32 -0800 |
| commit | 6282102dbcbf26e20670ce932917ddcafe266e71 (patch) | |
| tree | 19ebf89d95768e48f1f723835310cb3e126b5864 /fs/nfsd | |
| parent | 4544a6912416ca50eabe1efab01f3e25e94636d9 (diff) | |
nfsd: fix filecache lookup
commit 28c7d86bb6172ffbb1a1237c6388e77f9fe5f181 upstream.
If the lookup keeps finding a nfsd_file with an unhashed open file,
then retry once only.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Cc: stable@vger.kernel.org
Fixes: 65294c1f2c5e "nfsd: add a new struct file caching facility to nfsd"
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/nfsd')
| -rw-r--r-- | fs/nfsd/filecache.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/nfsd/filecache.c b/fs/nfsd/filecache.c index ef55e9b1cd4e..3007b8945d38 100644 --- a/fs/nfsd/filecache.c +++ b/fs/nfsd/filecache.c @@ -791,6 +791,7 @@ nfsd_file_acquire(struct svc_rqst *rqstp, struct svc_fh *fhp, struct nfsd_file *nf, *new; struct inode *inode; unsigned int hashval; + bool retry = true; /* FIXME: skip this if fh_dentry is already set? */ status = fh_verify(rqstp, fhp, S_IFREG, @@ -826,6 +827,11 @@ wait_for_construction: /* Did construction of this file fail? */ if (!test_bit(NFSD_FILE_HASHED, &nf->nf_flags)) { + if (!retry) { + status = nfserr_jukebox; + goto out; + } + retry = false; nfsd_file_put_noref(nf); goto retry; } |