diff mbox series

[v10,10/12] ext4: switch to multigrain timestamps

Message ID 20241002-mgtime-v10-10-d1c4717f5284@kernel.org (mailing list archive)
State Handled Elsewhere
Headers show
Series timekeeping/fs: multigrain timestamp redux | expand

Commit Message

Jeff Layton Oct. 2, 2024, 9:27 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.

For ext4, we only need to enable 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>
---
 fs/ext4/super.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index e72145c4ae5a071cf4a809d0519a01a8fb84dc2d..a125d9435b8a1c8f7a96a2a0bdd9ce1b4671f8a2 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -7298,7 +7298,7 @@  static struct file_system_type ext4_fs_type = {
 	.init_fs_context	= ext4_init_fs_context,
 	.parameters		= ext4_param_specs,
 	.kill_sb		= ext4_kill_sb,
-	.fs_flags		= FS_REQUIRES_DEV | FS_ALLOW_IDMAP,
+	.fs_flags		= FS_REQUIRES_DEV | FS_ALLOW_IDMAP | FS_MGTIME,
 };
 MODULE_ALIAS_FS("ext4");