NFS: Mask out unsupported attributes in nfs_getattr()

We don't currently support STATX_BTIME, so don't advertise it in the
return values for nfs_getattr().

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>

diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 8de5b3b..c429a53 100644 (file)
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -815,6 +815,10 @@ int nfs_getattr(struct user_namespace *mnt_userns, const struct path *path,
 
        trace_nfs_getattr_enter(inode);
 
+       request_mask &= STATX_TYPE | STATX_MODE | STATX_NLINK | STATX_UID |
+                       STATX_GID | STATX_ATIME | STATX_MTIME | STATX_CTIME |
+                       STATX_INO | STATX_SIZE | STATX_BLOCKS;
+
        if ((query_flags & AT_STATX_DONT_SYNC) && !force_sync) {
                nfs_readdirplus_parent_cache_hit(path->dentry);
                goto out_no_update;