On Fri, Oct 6, 2023 at 7:32 PM Yu Kuai <yukuai1@xxxxxxxxxxxxxxx> wrote: > > Hi, > > 在 2023/10/05 11:55, Song Liu 写道: > > On Wed, Oct 4, 2023 at 8:42 PM Yu Kuai <yukuai1@xxxxxxxxxxxxxxx> wrote: > >> > >> Hi, > >> > >> 在 2023/09/29 3:15, Song Liu 写道: > >>> Hi Kuai, > >>> > >>> Thanks for the patchset! > >>> > >>> A few high level questions/suggestions: > >> > >> Thanks a lot for these! > >>> > >>> 1. This is a big change that needs a lot of explanation. While you managed to > >>> keep each patch relatively small (great job btw), it is not very clear why we > >>> need these changes. Specifically, we are adding a new mutex, it is worth > >>> mentioning why we cannot achieve the same goal without it. Please add > >>> more information in the cover letter. We will put part of the cover letter in > >>> the merge commit. > >> > >> Yeah, I realize that I explain too little. I will add background and > >> design. > >>> > Can you take a look about this new cover letter? I don't have time right now to look into all the details, but it looks great at first glance. We can still edit it a little bit when applying the patchset, but that may not be necessary. Thanks, Song > > ##### Backgroud > > Our testers started to test raid10 last year, and we found that there > are lots of problem in the following test scenario: > > - add or remove disks to the array > - issue io to the array -- dm-devel mailing list dm-devel@xxxxxxxxxx https://listman.redhat.com/mailman/listinfo/dm-devel
