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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2010-03-10 15:21:44 -0500 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2010-03-10 15:21:44 -0500 |
| commit | b4d2314bb88b07e5a04e6c75b442a1dfcd60e340 (patch) | |
| tree | 9727944bf30a47cf02f9b9547adcaeafeee25843 | |
| parent | 49697ee79242d5f8ac88f1ebc62e583d16bcc687 (diff) | |
| download | blackbird-op-linux-b4d2314bb88b07e5a04e6c75b442a1dfcd60e340.tar.gz blackbird-op-linux-b4d2314bb88b07e5a04e6c75b442a1dfcd60e340.zip | |
NFSv4: Don't ignore the NFS_INO_REVAL_FORCED flag in nfs_revalidate_inode()
If the NFS_INO_REVAL_FORCED flag is set, that means that we don't yet have
an up to date attribute cache. Even if we hold a delegation, we must
put a GETATTR on the wire.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: stable@kernel.org
| -rw-r--r-- | fs/nfs/delegation.h | 6 | ||||
| -rw-r--r-- | fs/nfs/dir.c | 2 | ||||
| -rw-r--r-- | fs/nfs/inode.c | 2 |
3 files changed, 8 insertions, 2 deletions
diff --git a/fs/nfs/delegation.h b/fs/nfs/delegation.h index 944b627ec6e1..69e7b8140122 100644 --- a/fs/nfs/delegation.h +++ b/fs/nfs/delegation.h @@ -71,4 +71,10 @@ static inline int nfs_inode_return_delegation(struct inode *inode) } #endif +static inline int nfs_have_delegated_attributes(struct inode *inode) +{ + return nfs_have_delegation(inode, FMODE_READ) && + !(NFS_I(inode)->cache_validity & NFS_INO_REVAL_FORCED); +} + #endif diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index a1f6b4438fb1..c6f2750648f4 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -1789,7 +1789,7 @@ static int nfs_access_get_cached(struct inode *inode, struct rpc_cred *cred, str cache = nfs_access_search_rbtree(inode, cred); if (cache == NULL) goto out; - if (!nfs_have_delegation(inode, FMODE_READ) && + if (!nfs_have_delegated_attributes(inode) && !time_in_range_open(jiffies, cache->jiffies, cache->jiffies + nfsi->attrtimeo)) goto out_stale; res->jiffies = cache->jiffies; diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index 657201acda84..e358df75a6ad 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -729,7 +729,7 @@ int nfs_attribute_timeout(struct inode *inode) { struct nfs_inode *nfsi = NFS_I(inode); - if (nfs_have_delegation(inode, FMODE_READ)) + if (nfs_have_delegated_attributes(inode)) return 0; return !time_in_range_open(jiffies, nfsi->read_cache_jiffies, nfsi->read_cache_jiffies + nfsi->attrtimeo); } |
