2021-03-30 00:20:19

by Trond Myklebust

[permalink] [raw]
Subject: [PATCH 03/17] NFS: Mask out unsupported attributes in nfs_getattr()

From: Trond Myklebust <[email protected]>

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

Signed-off-by: Trond Myklebust <[email protected]>
---
fs/nfs/inode.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 8de5b3b9da91..93f487c15663 100644
--- 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;
--
2.30.2