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@xxxxxxxxxxxx>
---
drivers/md/raid5.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 9e18dc9ae8b4..e48c16bfe657 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -3520,8 +3520,9 @@ 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,
@@ -6093,6 +6094,9 @@ static bool raid5_make_request(struct mddev *mddev, struct bio * bi)
DIV_ROUND_UP(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) &&
--
2.30.2
