On Tue 25-07-23 10:58:17, Jeff Layton wrote: > 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. > > Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx> Looks good. Feel free to add: Reviewed-by: Jan Kara <jack@xxxxxxx> Honza > --- > mm/shmem.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/mm/shmem.c b/mm/shmem.c > index 654d9a585820..b6019c905058 100644 > --- a/mm/shmem.c > +++ b/mm/shmem.c > @@ -4264,7 +4264,7 @@ 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 > > -- > 2.41.0 > -- Jan Kara <jack@xxxxxxxx> SUSE Labs, CR