On Mon, 24 May 2021 at 08:04, Song Liu <song@xxxxxxxxxx> wrote: > > On Thu, May 20, 2021 at 5:56 PM Guoqing Jiang <jgq516@xxxxxxxxx> wrote: > > > > V2 changes: > > > > 1. add accounting_bio to md_personality. > > 2. cleanup in case bioset_integrity_create fails. > > 3. use bio_end_io_acct. > > 4. remove patch for enable io accounting for multipath. > > 5. add one patch to rename print_msg. > > 6. add one patch to deprecate linear, multipath and faulty. > > > > Artur Paszkiewicz (1): > > md: the latest try for improve io stats accounting > > > > Guoqing Jiang (6): > > md: revert io stats accounting > > md: add accounting_bio for raid0 and raid5 > > md/raid1: rename print_msg with r1bio_existed > > md/raid1: enable io accounting > > md/raid10: enable io accounting > > md: mark some personalities as deprecated > > Thanks Guoqing! This version looks great to me. No need to send v3 for > those two minor comments. > > Artur and Christoph, could you please share your comments on this version > and/or reply with your Reviewed-by tag? > > Pawel, could you please run your tests with this set? Note that, the test should > be run after setting > echo 1 > /sys/block/mdXXX/queue/iostats I've been testing this patchset for a while (with md iostats enabled) and no double fault occurred. Thanks! Paweł Wiejacha > Thanks, > Song > > >