diff options
| author | Christoph Hellwig <hch@lst.de> | 2024-02-28 14:56:40 -0800 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2024-03-01 08:54:42 -0700 |
| commit | 631d4efb8009df64deae8c1382b8cf43879a4e22 (patch) | |
| tree | 5a1cb6d6c1223c895fd9baa6a5db958994195f41 /block | |
| parent | 86b1e613eb3b8e6a0f87676e33d847b2eb204b22 (diff) | |
block: add a queue_limits_set helper
Add a small wrapper around queue_limits_commit_update for stacking
drivers that don't want to update existing limits, but set an
entirely new set.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20240228225653.947152-2-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
| -rw-r--r-- | block/blk-settings.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/block/blk-settings.c b/block/blk-settings.c index b6bbe683d218..1989a177be20 100644 --- a/block/blk-settings.c +++ b/block/blk-settings.c @@ -267,6 +267,24 @@ int queue_limits_commit_update(struct request_queue *q, EXPORT_SYMBOL_GPL(queue_limits_commit_update); /** + * queue_limits_commit_set - apply queue limits to queue + * @q: queue to update + * @lim: limits to apply + * + * Apply the limits in @lim that were freshly initialized to @q. + * To update existing limits use queue_limits_start_update() and + * queue_limits_commit_update() instead. + * + * Returns 0 if successful, else a negative error code. + */ +int queue_limits_set(struct request_queue *q, struct queue_limits *lim) +{ + mutex_lock(&q->limits_lock); + return queue_limits_commit_update(q, lim); +} +EXPORT_SYMBOL_GPL(queue_limits_set); + +/** * blk_queue_bounce_limit - set bounce buffer limit for queue * @q: the request queue for the device * @bounce: bounce limit to enforce |