Commit 2094045f authored by Hannes Reinecke's avatar Hannes Reinecke Committed by Mike Snitzer
Browse files

dm zoned: prefer full zones for reclaim



Prefer full zones when selecting the next zone for reclaim.

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 69875d44
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+8 −1
Original line number Diff line number Diff line
@@ -1941,7 +1941,7 @@ static struct dm_zone *dmz_get_rnd_zone_for_reclaim(struct dmz_metadata *zmd,
						    unsigned int idx, bool idle)
{
	struct dm_zone *dzone = NULL;
	struct dm_zone *zone;
	struct dm_zone *zone, *last = NULL;
	struct list_head *zone_list;

	/* If we have cache zones select from the cache zone list */
@@ -1958,6 +1958,13 @@ static struct dm_zone *dmz_get_rnd_zone_for_reclaim(struct dmz_metadata *zmd,
			dzone = zone->bzone;
			if (dzone->dev->dev_idx != idx)
				continue;
			if (!last) {
				last = dzone;
				continue;
			}
			if (last->weight < dzone->weight)
				continue;
			dzone = last;
		} else
			dzone = zone;
		if (dmz_lock_zone_reclaim(dzone))