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block: fix docs for freezing of queue limits updates

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queue_limits_commit_update is the function that needs to operate on a
frozen queue, not queue_limits_start_update.  Update the kerneldoc
comments to reflect that.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Nilay Shroff <nilay@linux.ibm.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Link: https://lore.kernel.org/r/20250110054726.1499538-2-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2025-01-10 06:47:09 +01:00 committed by Jens Axboe
parent 844b8cdc68
commit 9c96821b44
2 changed files with 3 additions and 3 deletions
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3
block/blk-settings.c
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@ -413,7 +413,8 @@ int blk_set_default_limits(struct queue_limits *lim)
* @lim: limits to apply
*
* Apply the limits in @lim that were obtained from queue_limits_start_update()
* and updated by the caller to @q.
* and updated by the caller to @q. The caller must have frozen the queue or
* ensure that there are no outstanding I/Os by other means.
*
* Returns 0 if successful, else a negative error code.
*/

3
include/linux/blkdev.h
View File

@ -944,8 +944,7 @@ static inline unsigned int blk_boundary_sectors_left(sector_t offset,
* the caller can modify. The caller must call queue_limits_commit_update()
* to finish the update.
*
* Context: process context. The caller must have frozen the queue or ensured
* that there is outstanding I/O by other means.
* Context: process context.
*/
static inline struct queue_limits
queue_limits_start_update(struct request_queue *q)