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| author | Trond Myklebust <trond.myklebust@hammerspace.com> | 2021-03-24 20:55:09 +0300 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@hammerspace.com> | 2021-04-13 00:14:17 +0300 |
| commit | e8764a6f96d3ca17be7466c7b0fddef64f4e3d14 (patch) | |
| tree | f9ec3d2ba8f69f89ea61f232359f8c2e2f520558 /fs/nfs | |
| parent | 4cdfeb648ac56ef0f961549528ccebd76042f1d3 (diff) | |
| download | linux-e8764a6f96d3ca17be7466c7b0fddef64f4e3d14.tar.xz | |
NFS: Don't revalidate attributes that are not being asked for
If the user doesn't set STATX_UID/GID/MODE, then don't care if they are
known to be stale. Ditto if we're not being asked for the file size.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'fs/nfs')
| -rw-r--r-- | fs/nfs/inode.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index 8b2f4a5eaa42..4982bc18ee26 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -857,12 +857,17 @@ int nfs_getattr(struct user_namespace *mnt_userns, const struct path *path, /* Check whether the cached attributes are stale */ do_update |= force_sync || nfs_attribute_cache_expired(inode); cache_validity = READ_ONCE(NFS_I(inode)->cache_validity); - do_update |= cache_validity & - (NFS_INO_INVALID_ATTR|NFS_INO_INVALID_LABEL); + do_update |= cache_validity & NFS_INO_INVALID_CHANGE; if (request_mask & STATX_ATIME) do_update |= cache_validity & NFS_INO_INVALID_ATIME; - if (request_mask & (STATX_CTIME|STATX_MTIME)) - do_update |= cache_validity & NFS_INO_REVAL_PAGECACHE; + if (request_mask & STATX_CTIME) + do_update |= cache_validity & NFS_INO_INVALID_CTIME; + if (request_mask & STATX_MTIME) + do_update |= cache_validity & NFS_INO_INVALID_MTIME; + if (request_mask & STATX_SIZE) + do_update |= cache_validity & NFS_INO_INVALID_SIZE; + if (request_mask & (STATX_UID | STATX_GID | STATX_MODE | STATX_NLINK)) + do_update |= cache_validity & NFS_INO_INVALID_OTHER; if (request_mask & STATX_BLOCKS) do_update |= cache_validity & NFS_INO_INVALID_BLOCKS; if (do_update) { |