[PATCH v2 20/20] md/raid5: split reshape bios before bitmap accounting
Yu Kuai <[email protected]>
| Newsgroups | gmane.linux.raid,gmane.linux.kernel |
|---|---|
| Message-ID | <f4bcf3a6cdb16689c42f2f5b5bb6b5dca0c84768.1782282042.git.yukuai@kernel.org> |
From: Yu Kuai <[email protected]> Use the shared mddev_bio_split_at_reshape_offset() helper so RAID5 submits only one-side bios to llbitmap during reshape. Signed-off-by: Yu Kuai <[email protected]> --- drivers/md/raid5.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index ac7ea483502f..fb346a3c4aa3 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -6181,6 +6181,14 @@ static bool raid5_make_request(struct mddev *mddev, struct bio * bi) return true; } + bi = mddev_bio_split_at_reshape_offset(mddev, bi, NULL, + &conf->bio_split); + if (!bi) { + if (rw == WRITE) + md_write_end(mddev); + return true; + } + logical_sector = bi->bi_iter.bi_sector & ~((sector_t)RAID5_STRIPE_SECTORS(conf)-1); bi->bi_next = NULL; -- 2.51.0