diff options
| author | Bart Van Assche <bvanassche@acm.org> | 2026-06-05 21:00:54 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2026-06-05 22:41:11 +0300 |
| commit | 08d912bc44dab63f2637677712d2a0b86922389a (patch) | |
| tree | ba1fe4cc043d10e9f8dfc499b73ac77b1355b903 /include/linux | |
| parent | 7e712f292e7f01e91d09e83eb7b9526f77f66c71 (diff) | |
| download | linux-08d912bc44dab63f2637677712d2a0b86922389a.tar.xz | |
block: Annotate the queue limits functions
Let the thread-safety checker verify whether every start of a queue
limits update is followed by a call to a function that finishes a queue
limits update.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@kernel.org>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Link: https://patch.msgid.link/8f71062b6d0fcf2b80bc8cda701c453224755439.1780682325.git.bvanassche@acm.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/blkdev.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 17270a28c66d..65efbd7fe1a3 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1092,15 +1092,17 @@ static inline unsigned int blk_boundary_sectors_left(sector_t offset, */ static inline struct queue_limits queue_limits_start_update(struct request_queue *q) + __acquires(&q->limits_lock) { mutex_lock(&q->limits_lock); return q->limits; } int queue_limits_commit_update_frozen(struct request_queue *q, - struct queue_limits *lim); + struct queue_limits *lim) __releases(&q->limits_lock); int queue_limits_commit_update(struct request_queue *q, - struct queue_limits *lim); -int queue_limits_set(struct request_queue *q, struct queue_limits *lim); + struct queue_limits *lim) __releases(&q->limits_lock); +int queue_limits_set(struct request_queue *q, struct queue_limits *lim) + __must_not_hold(&q->limits_lock); int blk_validate_limits(struct queue_limits *lim); /** @@ -1112,6 +1114,7 @@ int blk_validate_limits(struct queue_limits *lim); * starting update. */ static inline void queue_limits_cancel_update(struct request_queue *q) + __releases(&q->limits_lock) { mutex_unlock(&q->limits_lock); } |