diff options
| author | Jeff Layton <jlayton@kernel.org> | 2023-08-07 15:38:41 -0400 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2023-08-11 09:04:57 +0200 |
| commit | d48c3397291690c3576d6c983b0a86ecbc203cac (patch) | |
| tree | 3d92a4e17c86a28314290553062698bf71392104 /mm/shmem.c | |
| parent | ffb6cf19e06334062744b7e3493f71e500964f8e (diff) | |
| download | linux-d48c3397291690c3576d6c983b0a86ecbc203cac.tar.gz | |
tmpfs: add support for multigrain timestamps
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: Jan Kara <jack@suse.cz>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Message-Id: <20230807-mgctime-v7-10-d1dec143a704@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'mm/shmem.c')
| -rw-r--r-- | mm/shmem.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/shmem.c b/mm/shmem.c index 142ead70e8c1ee..98cc4be7a8a897 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -4220,7 +4220,7 @@ static struct file_system_type shmem_fs_type = { #endif .kill_sb = kill_litter_super, #ifdef CONFIG_SHMEM - .fs_flags = FS_USERNS_MOUNT | FS_ALLOW_IDMAP, + .fs_flags = FS_USERNS_MOUNT | FS_ALLOW_IDMAP | FS_MGTIME, #else .fs_flags = FS_USERNS_MOUNT, #endif |