On Fri 22-05-15 17:14:05, Tejun Heo wrote:
> Writeback now supports cgroup writeback and the generic writeback,
> buffer, libfs, and mpage helpers that ext2 uses are all updated to
> work with cgroup writeback.
>
> This patch enables cgroup writeback for ext2 by adding
> FS_CGROUP_WRITEBACK to its ->fs_flags.
>
> Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
> Cc: Jens Axboe <axboe@xxxxxxxxx>
> Cc: Jan Kara <jack@xxxxxxx>
> Cc: linux-ext4@xxxxxxxxxxxxxxx
Hallelujah!
Reviewed-by: Jan Kara <jack@xxxxxxxx>
> ---
> fs/ext2/super.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/ext2/super.c b/fs/ext2/super.c
> index d0e746e..549219d 100644
> --- a/fs/ext2/super.c
> +++ b/fs/ext2/super.c
> @@ -1543,7 +1543,7 @@ static struct file_system_type ext2_fs_type = {
> .name = "ext2",
> .mount = ext2_mount,
> .kill_sb = kill_block_super,
> - .fs_flags = FS_REQUIRES_DEV,
> + .fs_flags = FS_REQUIRES_DEV | FS_CGROUP_WRITEBACK,
> };
> MODULE_ALIAS_FS("ext2");
>
> --
> 2.4.0
>
--
Jan Kara <jack@xxxxxxx>
SUSE Labs, CR
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