diff mbox series

[v7,09/11] ext4: switch to multigrain timestamps

Message ID 20240913-mgtime-v7-9-92d4020e3b00@kernel.org
State Superseded
Headers show
Series fs: multigrain timestamp redux | expand

Commit Message

Jeff Layton Sept. 13, 2024, 1:54 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>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
---
 fs/ext4/super.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index e72145c4ae5a..a125d9435b8a 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");