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authorJeff Layton <jlayton@kernel.org>2023-08-07 22:38:43 +0300
committerChristian Brauner <brauner@kernel.org>2023-08-11 10:04:57 +0300
commit0269b585868e59b6a2ecc6ea685d39310e4fc18b (patch)
treec8baf6a97ae0fe72e6b3ecdca2ef744ea14e2c08 /fs/ext4
parente44df2664746aed8b6dd5245eb711a0ce33c5cf5 (diff)
downloadlinux-0269b585868e59b6a2ecc6ea685d39310e4fc18b.tar.xz
ext4: switch to 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. For ext4, we only need to enable the FS_MGTIME flag. Acked-by: Theodore Ts'o <tytso@mit.edu> Reviewed-by: Jan Kara <jack@suse.cz> Signed-off-by: Jeff Layton <jlayton@kernel.org> Message-Id: <20230807-mgctime-v7-12-d1dec143a704@kernel.org> Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'fs/ext4')
-rw-r--r--fs/ext4/super.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index b54c70e1a74e..cb1ff47af156 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -7279,7 +7279,7 @@ static struct file_system_type ext4_fs_type = {
.init_fs_context = ext4_init_fs_context,
.parameters = ext4_param_specs,
.kill_sb = kill_block_super,
- .fs_flags = FS_REQUIRES_DEV | FS_ALLOW_IDMAP,
+ .fs_flags = FS_REQUIRES_DEV | FS_ALLOW_IDMAP | FS_MGTIME,
};
MODULE_ALIAS_FS("ext4");