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| author |   Hannes Reinecke <hare@suse.de> | 2020-06-02 13:09:50 +0200 |
|---|---|---|
| committer |   Mike Snitzer <snitzer@redhat.com> | 2020-06-05 14:59:50 -0400 |
| commit | f97809aec58995a87a9a30cb45c9a6148377df64 (patch) | |
| tree | 2627cb0aa765e81490b9ebb177c5a3cbd0fc679b /drivers/md/dm-zoned.h | |
| parent | dm zoned: add metadata pointer to struct dmz_dev (diff) | |
| download | linux-dev-f97809aec58995a87a9a30cb45c9a6148377df64.tar.xz linux-dev-f97809aec58995a87a9a30cb45c9a6148377df64.zip | |
dm zoned: per-device reclaim
Instead of having one reclaim workqueue for the entire set we should
be allocating a reclaim workqueue per device; doing so will reduce
contention and should boost performance for a multi-device setup.
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.h')
| -rw-r--r-- | drivers/md/dm-zoned.h | 38 |
1 files changed, 20 insertions, 18 deletions
diff --git a/drivers/md/dm-zoned.h b/drivers/md/dm-zoned.h index 983f5b5e9fa0..0cc3459f78ce 100644 --- a/drivers/md/dm-zoned.h +++ b/drivers/md/dm-zoned.h @@ -54,6 +54,7 @@ struct dmz_reclaim; struct dmz_dev { struct block_device *bdev; struct dmz_metadata *metadata; + struct dmz_reclaim *reclaim; char name[BDEVNAME_SIZE]; uuid_t uuid; @@ -229,23 +230,6 @@ static inline void dmz_activate_zone(struct dm_zone *zone) atomic_inc(&zone->refcount); } -/* - * Deactivate a zone. This decrement the zone reference counter - * indicating that all BIOs to the zone have completed when the count is 0. - */ -static inline void dmz_deactivate_zone(struct dm_zone *zone) -{ - atomic_dec(&zone->refcount); -} - -/* - * Test if a zone is active, that is, has a refcount > 0. - */ -static inline bool dmz_is_active(struct dm_zone *zone) -{ - return atomic_read(&zone->refcount); -} - int dmz_lock_zone_reclaim(struct dm_zone *zone); void dmz_unlock_zone_reclaim(struct dm_zone *zone); struct dm_zone *dmz_get_zone_for_reclaim(struct dmz_metadata *zmd, bool idle); @@ -272,7 +256,7 @@ int dmz_merge_valid_blocks(struct dmz_metadata *zmd, struct dm_zone *from_zone, /* * Functions defined in dm-zoned-reclaim.c */ -int dmz_ctr_reclaim(struct dmz_metadata *zmd, struct dmz_reclaim **zrc); +int dmz_ctr_reclaim(struct dmz_metadata *zmd, struct dmz_reclaim **zrc, int idx); void dmz_dtr_reclaim(struct dmz_reclaim *zrc); void dmz_suspend_reclaim(struct dmz_reclaim *zrc); void dmz_resume_reclaim(struct dmz_reclaim *zrc); @@ -285,4 +269,22 @@ void dmz_schedule_reclaim(struct dmz_reclaim *zrc); bool dmz_bdev_is_dying(struct dmz_dev *dmz_dev); bool dmz_check_bdev(struct dmz_dev *dmz_dev); +/* + * Deactivate a zone. This decrement the zone reference counter + * indicating that all BIOs to the zone have completed when the count is 0. + */ +static inline void dmz_deactivate_zone(struct dm_zone *zone) +{ + dmz_reclaim_bio_acc(zone->dev->reclaim); + atomic_dec(&zone->refcount); +} + +/* + * Test if a zone is active, that is, has a refcount > 0. + */ +static inline bool dmz_is_active(struct dm_zone *zone) +{ + return atomic_read(&zone->refcount); +} + #endif /* DM_ZONED_H */ |