Re: [PATCH] btrfs: Implement lazytime

[Kusanagi Kouichi]

On 2020-01-14 22:21:07 +0100, David Sterba wrote:
> On Tue, Jan 14, 2020 at 05:53:24PM +0900, Kusanagi Kouichi wrote:
> > I tested with xfstests and lazytime didn't cause any new failures.
> 
> The changelog should describe what the patch does (the 'why' part too,
> but this is obvious from the subject in this case). That fstests pass
> without new failures is nice but there should be a specific test for
> that or instructions in the changelog how to test.

To test lazytime, I set the following variables:
TEST_FS_MOUNT_OPTS="-o lazytime,space_cache=v2"
MOUNT_OPTIONS="-o lazytime,space_cache=v2"