Commit 7e890c37 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Jens Axboe
Browse files

block: add a return value to set_capacity_revalidate_and_notify 



Return if the function ended up sending an uevent or not.

Cc: stable@vger.kernel.org # v5.9
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarPetr Vorel <pvorel@suse.cz>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 2bd645b2

block/genhd.c

+4 −1
Original line number Diff line number Diff line
@@ -49,7 +49,7 @@ static void disk_release_events(struct gendisk *disk); 
 * Set disk capacity and notify if the size is not currently

 * zero and will not be set to zero

 */

void set_capacity_revalidate_and_notify(struct gendisk *disk, sector_t size,

bool set_capacity_revalidate_and_notify(struct gendisk *disk, sector_t size,

					bool update_bdev)

{

	sector_t capacity = get_capacity(disk);
@@ -62,7 +62,10 @@ void set_capacity_revalidate_and_notify(struct gendisk *disk, sector_t size, 
		char *envp[] = { "RESIZE=1", NULL };



		kobject_uevent_env(&disk_to_dev(disk)->kobj, KOBJ_CHANGE, envp);

		return true;

	}



	return false;

}



EXPORT_SYMBOL_GPL(set_capacity_revalidate_and_notify);

include/linux/genhd.h

+1 −1
Original line number Diff line number Diff line
@@ -315,7 +315,7 @@ static inline int get_disk_ro(struct gendisk *disk) 
extern void disk_block_events(struct gendisk *disk);

extern void disk_unblock_events(struct gendisk *disk);

extern void disk_flush_events(struct gendisk *disk, unsigned int mask);

void set_capacity_revalidate_and_notify(struct gendisk *disk, sector_t size,

bool set_capacity_revalidate_and_notify(struct gendisk *disk, sector_t size,

		bool update_bdev);



/* drivers/char/random.c */

CRA Git | Maintained and supported by SUSTech CRA and CCSE