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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2007-08-15 12:49:17 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2007-10-09 17:18:40 -0400 |
| commit | f2115dc9877d480392e48e3c83bc8cbb4b418fee (patch) | |
| tree | dc32f48bd76aaa9e1ae4de8cb8ac8510f9742716 /fs/nfs/inode.c | |
| parent | 76b32999dfff6e59252a8af17a5671a4cf3bcf9b (diff) | |
| download | lwn-f2115dc9877d480392e48e3c83bc8cbb4b418fee.tar.gz lwn-f2115dc9877d480392e48e3c83bc8cbb4b418fee.zip | |
NFS: Fix over-conservative attribute invalidation in nfs_update_inode()
We should always be declaring the attribute cache as valid after having
updated it.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/inode.c')
| -rw-r--r-- | fs/nfs/inode.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index 45633f9ad851..721e511f8ba9 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -978,8 +978,8 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) /* Are we racing with known updates of the metadata on the server? */ data_stable = nfs_verify_change_attribute(inode, fattr->time_start); - if (data_stable) - nfsi->cache_validity &= ~(NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE|NFS_INO_INVALID_ATIME); + nfsi->cache_validity &= ~(NFS_INO_INVALID_ATTR | NFS_INO_INVALID_ATIME + | NFS_INO_REVAL_PAGECACHE); /* Do atomic weak cache consistency updates */ nfs_wcc_update_inode(inode, fattr); @@ -1060,12 +1060,11 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) nfsi->attrtimeo = NFS_MAXATTRTIMEO(inode); nfsi->attrtimeo_timestamp = now; } + invalid &= ~NFS_INO_INVALID_ATTR; /* Don't invalidate the data if we were to blame */ if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) || S_ISLNK(inode->i_mode))) invalid &= ~NFS_INO_INVALID_DATA; - if (data_stable) - invalid &= ~(NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ATIME|NFS_INO_REVAL_PAGECACHE); if (!nfs_have_delegation(inode, FMODE_READ) || (nfsi->cache_validity & NFS_INO_REVAL_FORCED)) nfsi->cache_validity |= invalid; |