[PATCH v24 11/18] blk-zoned: Document disk_zone_wplug_schedule_bio_work() locking
From: Bart Van Assche <bvanassche@acm.org>
Date: 2025-08-27 21:30:59
Also in:
linux-scsi
Subsystem:
block layer, the rest, zoned block device (block layer) · Maintainers:
Jens Axboe, Linus Torvalds, Damien Le Moal
Before adding more code in disk_zone_wplug_schedule_bio_work() that depends on the zone write plug lock being held, document that all callers hold this lock. Cc: Damien Le Moal <dlemoal@kernel.org> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Bart Van Assche <bvanassche@acm.org> --- block/blk-zoned.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/block/blk-zoned.c b/block/blk-zoned.c
index eb81278acb38..627a952477d1 100644
--- a/block/blk-zoned.c
+++ b/block/blk-zoned.c@@ -785,6 +785,8 @@ static bool blk_zone_wplug_handle_reset_all(struct bio *bio) static void disk_zone_wplug_schedule_bio_work(struct gendisk *disk, struct blk_zone_wplug *zwplug) { + lockdep_assert_held(&zwplug->lock); + /* * Take a reference on the zone write plug and schedule the submission * of the next plugged BIO. blk_zone_wplug_bio_work() will release the