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block: return void from the queue_sysfs_entry load_module method

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Requesting a module either succeeds or does nothing, return an error from
this method does not make sense.

Also move the load_module after the store method in the struct
declaration to keep the important show and store methods together.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Andreas Hindborg <a.hindborg@kernel.org>
Link: https://lore.kernel.org/r/20241008050841.104602-1-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig
2024-10-08 07:08:41 +02:00
committed by Jens Axboe
parent 758737d86f
commit d51c9cdfc2
3 changed files with 8 additions and 13 deletions
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4
block/elevator.h
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@@ -148,8 +148,8 @@ extern void elv_unregister(struct elevator_type *);
* io scheduler sysfs switching
*/
ssize_t elv_iosched_show(struct gendisk *disk, char *page);
int elv_iosched_load_module(struct gendisk *disk, const char *page,
size_t count);
void elv_iosched_load_module(struct gendisk *disk, const char *page,
size_t count);
ssize_t elv_iosched_store(struct gendisk *disk, const char *page, size_t count);
extern bool elv_bio_merge_ok(struct request *, struct bio *);