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| author | Hannes Reinecke <hare@suse.de> | 2020-05-19 11:14:21 +0300 |
|---|---|---|
| committer | Mike Snitzer <snitzer@redhat.com> | 2020-05-21 00:09:50 +0300 |
| commit | 90a9b8693f1b84a695864f2b416cba9bde107268 (patch) | |
| tree | 3b024946f0aa53cfc4e1132ef2c9cd5cb9f58f31 /drivers/md/dm-zoned-metadata.c | |
| parent | 34f5affd04c4a16d9df19c369bcec6e873e57ffe (diff) | |
| download | linux-90a9b8693f1b84a695864f2b416cba9bde107268.tar.xz | |
dm zoned: reclaim random zones when idle
When the system is idle we should be starting reclaiming
random zones, too.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'drivers/md/dm-zoned-metadata.c')
| -rw-r--r-- | drivers/md/dm-zoned-metadata.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/md/dm-zoned-metadata.c b/drivers/md/dm-zoned-metadata.c index 6c009a8b36a4..b5fd67eff046 100644 --- a/drivers/md/dm-zoned-metadata.c +++ b/drivers/md/dm-zoned-metadata.c @@ -1859,15 +1859,20 @@ static void dmz_wait_for_reclaim(struct dmz_metadata *zmd, struct dm_zone *zone) /* * Select a cache or random write zone for reclaim. */ -static struct dm_zone *dmz_get_rnd_zone_for_reclaim(struct dmz_metadata *zmd) +static struct dm_zone *dmz_get_rnd_zone_for_reclaim(struct dmz_metadata *zmd, + bool idle) { struct dm_zone *dzone = NULL; struct dm_zone *zone; struct list_head *zone_list = &zmd->map_rnd_list; /* If we have cache zones select from the cache zone list */ - if (zmd->nr_cache) + if (zmd->nr_cache) { zone_list = &zmd->map_cache_list; + /* Try to relaim random zones, too, when idle */ + if (idle && list_empty(zone_list)) + zone_list = &zmd->map_rnd_list; + } list_for_each_entry(zone, zone_list, link) { if (dmz_is_buf(zone)) @@ -1901,7 +1906,7 @@ static struct dm_zone *dmz_get_seq_zone_for_reclaim(struct dmz_metadata *zmd) /* * Select a zone for reclaim. */ -struct dm_zone *dmz_get_zone_for_reclaim(struct dmz_metadata *zmd) +struct dm_zone *dmz_get_zone_for_reclaim(struct dmz_metadata *zmd, bool idle) { struct dm_zone *zone; @@ -1917,7 +1922,7 @@ struct dm_zone *dmz_get_zone_for_reclaim(struct dmz_metadata *zmd) if (list_empty(&zmd->reserved_seq_zones_list)) zone = dmz_get_seq_zone_for_reclaim(zmd); else - zone = dmz_get_rnd_zone_for_reclaim(zmd); + zone = dmz_get_rnd_zone_for_reclaim(zmd, idle); dmz_unlock_map(zmd); return zone; |