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block: Remove blk_set_runtime_active()

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The function blk_set_runtime_active() is called only from
blk_post_runtime_resume(), so there is no need for that function to be
exported. Open-code this function directly in blk_post_runtime_resume()
and remove it.

Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Link: https://lore.kernel.org/r/20231120070611.33951-1-dlemoal@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Damien Le Moal 2023-11-20 16:06:11 +09:00 committed by Jens Axboe
parent c2da049f41
commit c96b817552
2 changed files with 5 additions and 29 deletions
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33
block/blk-pm.c
View File

@ -163,38 +163,15 @@ EXPORT_SYMBOL(blk_pre_runtime_resume);
* @q: the queue of the device * @q: the queue of the device
* *
* Description: * Description:
* For historical reasons, this routine merely calls blk_set_runtime_active() * Restart the queue of a runtime suspended device. It does this regardless
* to do the real work of restarting the queue. It does this regardless of * of whether the device's runtime-resume succeeded; even if it failed the
* whether the device's runtime-resume succeeded; even if it failed the
* driver or error handler will need to communicate with the device. * driver or error handler will need to communicate with the device.
* *
* This function should be called near the end of the device's * This function should be called near the end of the device's
* runtime_resume callback. * runtime_resume callback to correct queue runtime PM status and re-enable
* peeking requests from the queue.
*/ */
void blk_post_runtime_resume(struct request_queue *q) void blk_post_runtime_resume(struct request_queue *q)
{
blk_set_runtime_active(q);
}
EXPORT_SYMBOL(blk_post_runtime_resume);
/**
* blk_set_runtime_active - Force runtime status of the queue to be active
* @q: the queue of the device
*
* If the device is left runtime suspended during system suspend the resume
* hook typically resumes the device and corrects runtime status
* accordingly. However, that does not affect the queue runtime PM status
* which is still "suspended". This prevents processing requests from the
* queue.
*
* This function can be used in driver's resume hook to correct queue
* runtime PM status and re-enable peeking requests from the queue. It
* should be called before first request is added to the queue.
*
* This function is also called by blk_post_runtime_resume() for
* runtime resumes. It does everything necessary to restart the queue.
*/
void blk_set_runtime_active(struct request_queue *q)
{ {
int old_status; int old_status;
@ -211,4 +188,4 @@ void blk_set_runtime_active(struct request_queue *q)
if (old_status != RPM_ACTIVE) if (old_status != RPM_ACTIVE)
blk_clear_pm_only(q); blk_clear_pm_only(q);
} }
EXPORT_SYMBOL(blk_set_runtime_active); EXPORT_SYMBOL(blk_post_runtime_resume);

1
include/linux/blk-pm.h
View File

@ -15,7 +15,6 @@ extern int blk_pre_runtime_suspend(struct request_queue *q);
extern void blk_post_runtime_suspend(struct request_queue *q, int err); extern void blk_post_runtime_suspend(struct request_queue *q, int err);
extern void blk_pre_runtime_resume(struct request_queue *q); extern void blk_pre_runtime_resume(struct request_queue *q);
extern void blk_post_runtime_resume(struct request_queue *q); extern void blk_post_runtime_resume(struct request_queue *q);
extern void blk_set_runtime_active(struct request_queue *q);
#else #else
static inline void blk_pm_runtime_init(struct request_queue *q, static inline void blk_pm_runtime_init(struct request_queue *q,
struct device *dev) {} struct device *dev) {}