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| author | Mike Snitzer <snitzer@kernel.org> | 2023-11-21 01:29:19 +0300 |
|---|---|---|
| committer | Mike Snitzer <snitzer@kernel.org> | 2024-02-20 21:43:16 +0300 |
| commit | 29f0ef873c5ab5d8d59553447e4175e90287e731 (patch) | |
| tree | 56bf8dd358938bc9bb0b2b7ba394862f9ac4701a | |
| parent | e752e5c33b960085f1ae12e391b18dd8fc5ceef1 (diff) | |
| download | linux-29f0ef873c5ab5d8d59553447e4175e90287e731.tar.xz | |
dm vdo block-map: optimize enter_zone_read_only_mode
Rather than incrementally dequeue from the zone->flush_waiters
vdo_wait_queue, simply re-initialize it.
Reviewed-by: Ken Raeburn <raeburn@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Signed-off-by: Matthew Sakai <msakai@redhat.com>
| -rw-r--r-- | drivers/md/dm-vdo/block-map.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/md/dm-vdo/block-map.c b/drivers/md/dm-vdo/block-map.c index a1f2c9d38192..7f9c4bc05f02 100644 --- a/drivers/md/dm-vdo/block-map.c +++ b/drivers/md/dm-vdo/block-map.c @@ -641,12 +641,10 @@ static void enter_zone_read_only_mode(struct block_map_zone *zone, int result) vdo_enter_read_only_mode(zone->block_map->vdo, result); /* - * We are in read-only mode, so we won't ever write any page out. Just take all waiters off - * the queue so the zone can drain. + * We are in read-only mode, so we won't ever write any page out. + * Just take all waiters off the waitq so the zone can drain. */ - while (vdo_waitq_has_waiters(&zone->flush_waiters)) - vdo_waitq_dequeue_next_waiter(&zone->flush_waiters); - + vdo_waitq_init(&zone->flush_waiters); check_for_drain_complete(zone); } |