diff mbox series

[1/5] fuse: handle empty request_mask in statx

Message ID 20230810105501.1418427-2-mszeredi@redhat.com (mailing list archive)
State New, archived
Headers show
Series fuse: support birth time | expand

Commit Message

Miklos Szeredi Aug. 10, 2023, 10:54 a.m. UTC 
If no attribute is requested, then don't send request to userspace.

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
---
 fs/fuse/dir.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index f67bef9d83c4..d38ab93e2007 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -1209,7 +1209,12 @@  static int fuse_update_get_attr(struct inode *inode, struct file *file,
 	u32 inval_mask = READ_ONCE(fi->inval_mask);
 	u32 cache_mask = fuse_get_cache_mask(inode);
 
-	if (flags & AT_STATX_FORCE_SYNC)
+	/* FUSE only supports basic stats */
+	request_mask &= STATX_BASIC_STATS;
+
+	if (!request_mask)
+		sync = false;
+	else if (flags & AT_STATX_FORCE_SYNC)
 		sync = true;
 	else if (flags & AT_STATX_DONT_SYNC)
 		sync = false;