Commit c3ff479d authored by Hannes Reinecke's avatar Hannes Reinecke Committed by Mike Snitzer
Browse files

dm zoned: improve logging messages for reclaim 



Instead of just reporting the errno, add some more verbose debugging
message in the reclaim path.

Signed-off-by: default avatarHannes Reinecke <hare@suse.de>
Reviewed-by: default avatarDamien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: default avatarMike Snitzer <snitzer@redhat.com>
parent 1565929b

drivers/md/dm-zoned-reclaim.c

+10 −3
Original line number Diff line number Diff line
@@ -371,8 +371,11 @@ static int dmz_do_reclaim(struct dmz_reclaim *zrc) 


	/* Get a data zone */

	dzone = dmz_get_zone_for_reclaim(zmd, dmz_target_idle(zrc));

	if (!dzone)

	if (!dzone) {

		DMDEBUG("(%s): No zone found to reclaim",

			dmz_metadata_label(zmd));

		return -EBUSY;

	}



	start = jiffies;

	if (dmz_is_cache(dzone) || dmz_is_rnd(dzone)) {
@@ -416,6 +419,12 @@ static int dmz_do_reclaim(struct dmz_reclaim *zrc) 
	}

out:

	if (ret) {

		if (ret == -EINTR)

			DMDEBUG("(%s): reclaim zone %u interrupted",

				dmz_metadata_label(zmd), rzone->id);

		else

			DMDEBUG("(%s): Failed to reclaim zone %u, err %d",

				dmz_metadata_label(zmd), rzone->id, ret);

		dmz_unlock_zone_reclaim(dzone);

		return ret;

	}
@@ -519,8 +528,6 @@ static void dmz_reclaim_work(struct work_struct *work) 


	ret = dmz_do_reclaim(zrc);

	if (ret && ret != -EINTR) {

		DMDEBUG("(%s): Reclaim error %d",

			dmz_metadata_label(zmd), ret);

		if (!dmz_check_dev(zmd))

			return;

	}

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