diff mbox series

[v9,12/12] tmpfs: add support for multigrain timestamps

Message ID 20241002-mgtime-v9-12-77e2baad57ac@kernel.org (mailing list archive)
State Handled Elsewhere
Headers show
Series fs: multigrain timestamp redux | expand

Commit Message

Jeff Layton Oct. 2, 2024, 6:49 p.m. UTC 
Enable multigrain timestamps, which should ensure that there is an
apparent change to the timestamp whenever it has been written after
being actively observed via getattr.

tmpfs only requires the FS_MGTIME flag.

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Tested-by: Randy Dunlap <rdunlap@infradead.org> # documentation bits
Signed-off-by: Jeff Layton <jlayton@kernel.org>
---
 mm/shmem.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/mm/shmem.c b/mm/shmem.c
index 5a77acf6ac6a..5f17eaaa32e2 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -4804,7 +4804,7 @@  static struct file_system_type shmem_fs_type = {
 	.parameters	= shmem_fs_parameters,
 #endif
 	.kill_sb	= kill_litter_super,
-	.fs_flags	= FS_USERNS_MOUNT | FS_ALLOW_IDMAP,
+	.fs_flags	= FS_USERNS_MOUNT | FS_ALLOW_IDMAP | FS_MGTIME,
 };
 
 void __init shmem_init(void)