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md/raid5: Improve debug prints

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Add a debug print for raid5_make_request() so that each request is
printed and add the logical sector number to the debug print in
__add_stripe_bio().

Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Song Liu <song@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Logan Gunthorpe 2022-06-16 13:19:44 -06:00 committed by Jens Axboe
parent 7e55c60acf
commit df1b620a3e
1 changed files with 6 additions and 2 deletions
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8
drivers/md/raid5.c
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@ -3521,8 +3521,9 @@ static void __add_stripe_bio(struct stripe_head *sh, struct bio *bi,
sh->overwrite_disks++;
}
pr_debug("added bi b#%llu to stripe s#%llu, disk %d.\n",
(*bip)->bi_iter.bi_sector, sh->sector, dd_idx);
pr_debug("added bi b#%llu to stripe s#%llu, disk %d, logical %llu\n",
(*bip)->bi_iter.bi_sector, sh->sector, dd_idx,
sh->dev[dd_idx].sector);
if (conf->mddev->bitmap && firstwrite) {
/* Cannot hold spinlock over bitmap_startwrite,
@ -6094,6 +6095,9 @@ static bool raid5_make_request(struct mddev *mddev, struct bio * bi)
DIV_ROUND_UP_SECTOR_T(ctx.last_sector - logical_sector,
RAID5_STRIPE_SECTORS(conf)));
pr_debug("raid456: %s, logical %llu to %llu\n", __func__,
bi->bi_iter.bi_sector, ctx.last_sector);
/* Bail out if conflicts with reshape and REQ_NOWAIT is set */
if ((bi->bi_opf & REQ_NOWAIT) &&
(conf->reshape_progress != MaxSector) &&