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| author | Jeff Layton <jlayton@redhat.com> | 2013-01-28 14:41:08 -0500 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2013-02-04 09:16:19 -0500 |
| commit | 6dc8889589678c228a675b9f01721318a31a8f5b (patch) | |
| tree | 3cbfbef12dec62f99826c7f32a84fb6a86b8f4cf /fs/nfsd/nfscache.c | |
| parent | 7b9e8522a65886d8ae168547a67c3617b6ba83f1 (diff) | |
| download | op-kernel-dev-6dc8889589678c228a675b9f01721318a31a8f5b.zip op-kernel-dev-6dc8889589678c228a675b9f01721318a31a8f5b.tar.gz | |
nfsd: remove unneeded spinlock in nfsd_cache_update
The locking rules for cache entries say that locking the cache_lock
isn't needed if you're just touching the current entry. Earlier
in this function we set rp->c_state to RC_UNUSED without any locking,
so I believe it's ok to do the same here.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd/nfscache.c')
| -rw-r--r-- | fs/nfsd/nfscache.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/fs/nfsd/nfscache.c b/fs/nfsd/nfscache.c index 5dd9ec2..972c14a 100644 --- a/fs/nfsd/nfscache.c +++ b/fs/nfsd/nfscache.c @@ -286,9 +286,7 @@ nfsd_cache_update(struct svc_rqst *rqstp, int cachetype, __be32 *statp) cachv = &rp->c_replvec; cachv->iov_base = kmalloc(len << 2, GFP_KERNEL); if (!cachv->iov_base) { - spin_lock(&cache_lock); rp->c_state = RC_UNUSED; - spin_unlock(&cache_lock); return; } cachv->iov_len = len << 2; |
