From cf78408f937a67f59f5e90ee8e6cadeed7c128a8 Mon Sep 17 00:00:00 2001 From: Xiao Ni Date: Thu, 4 Feb 2021 15:50:43 +0800 Subject: md: add md_submit_discard_bio() for submitting discard bio Move these logic from raid0.c to md.c, so that we can also use it in raid10.c. Reviewed-by: Coly Li Reviewed-by: Guoqing Jiang Tested-by: Adrian Huang Signed-off-by: Xiao Ni Signed-off-by: Song Liu --- drivers/md/raid0.c | 14 ++------------ 1 file changed, 2 insertions(+), 12 deletions(-) (limited to 'drivers/md/raid0.c') diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index 67f157f2525d..e5d7411cba9b 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -477,7 +477,6 @@ static void raid0_handle_discard(struct mddev *mddev, struct bio *bio) for (disk = 0; disk < zone->nb_dev; disk++) { sector_t dev_start, dev_end; - struct bio *discard_bio = NULL; struct md_rdev *rdev; if (disk < start_disk_index) @@ -500,18 +499,9 @@ static void raid0_handle_discard(struct mddev *mddev, struct bio *bio) rdev = conf->devlist[(zone - conf->strip_zone) * conf->strip_zone[0].nb_dev + disk]; - if (__blkdev_issue_discard(rdev->bdev, + md_submit_discard_bio(mddev, rdev, bio, dev_start + zone->dev_start + rdev->data_offset, - dev_end - dev_start, GFP_NOIO, 0, &discard_bio) || - !discard_bio) - continue; - bio_chain(discard_bio, bio); - bio_clone_blkg_association(discard_bio, bio); - if (mddev->gendisk) - trace_block_bio_remap(discard_bio, - disk_devt(mddev->gendisk), - bio->bi_iter.bi_sector); - submit_bio_noacct(discard_bio); + dev_end - dev_start); } bio_endio(bio); } -- cgit