Document which functions expect that their callers must hold a lock.
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Damien Le Moal <dlemoal@xxxxxxxxxx>
Signed-off-by: Bart Van Assche <bvanassche@xxxxxxx>
---
block/blk-zoned.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/block/blk-zoned.c b/block/blk-zoned.c
index 1575b887fa38..954724a2e3c6 100644
--- a/block/blk-zoned.c
+++ b/block/blk-zoned.c
@@ -459,6 +459,8 @@ static inline void disk_put_zone_wplug(struct blk_zone_wplug *zwplug)
static inline bool disk_should_remove_zone_wplug(struct gendisk *disk,
struct blk_zone_wplug *zwplug)
{
+ lockdep_assert_held(&zwplug->lock);
+
/* If the zone write plug was already removed, we are done. */
if (zwplug->flags & BLK_ZONE_WPLUG_UNHASHED)
return false;
@@ -913,6 +915,8 @@ static bool blk_zone_wplug_prepare_bio(struct blk_zone_wplug *zwplug,
{
struct gendisk *disk = bio->bi_bdev->bd_disk;
+ lockdep_assert_held(&zwplug->lock);
+
/*
* If we lost track of the zone write pointer due to a write error,
* the user must either execute a report zones, reset the zone or finish
