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| author | Trond Myklebust <trond.myklebust@primarydata.com> | 2015-08-20 23:56:07 (GMT) |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2015-08-25 18:39:44 (GMT) |
| commit | aaae3f00d3f67f681a1f3cb7af999e976e8a24ce (patch) | |
| tree | 43d88350d655da2791ea6ce8b270b8e54c46f9bb /fs/nfs | |
| parent | dd52128afddecade1dcd0767aec124c13c8a40bb (diff) | |
| download | linux-aaae3f00d3f67f681a1f3cb7af999e976e8a24ce.tar.xz | |
NFSv4: Force a post-op attribute update when holding a delegation
If the ctime or mtime or change attribute have changed because
of an operation we initiated, we should make sure that we force
an attribute update. However we do not want to mark the page cache
for revalidation.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Cc: stable@vger.kernel.org # v4.0+
Diffstat (limited to 'fs/nfs')
| -rw-r--r-- | fs/nfs/inode.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index 2744d48..e2cc003 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -1477,6 +1477,13 @@ static int nfs_post_op_update_inode_locked(struct inode *inode, struct nfs_fattr { unsigned long invalid = NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE; + /* + * Don't revalidate the pagecache if we hold a delegation, but do + * force an attribute update + */ + if (NFS_PROTO(inode)->have_delegation(inode, FMODE_READ)) + invalid = NFS_INO_INVALID_ATTR|NFS_INO_REVAL_FORCED; + if (S_ISDIR(inode->i_mode)) invalid |= NFS_INO_INVALID_DATA; nfs_set_cache_invalid(inode, invalid); |