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authorChristoph Hellwig <hch@lst.de>2020-11-12 17:50:04 +0100
committerJens Axboe <axboe@kernel.dk>2020-11-12 13:59:04 -0700
commit7e890c37c25c7cbca37ff0ab292873d8146e713b (patch)
treeb678068dd864ad2fa49bae82d666b13c460ebbf3
parent2bd645b2d3f0bacadaa6037f067538e1cd4e42ef (diff)
downloadlinux-7e890c37c25c7cbca37ff0ab292873d8146e713b.tar.gz
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: Christoph Hellwig <hch@lst.de> Reviewed-by: Petr Vorel <pvorel@suse.cz> Signed-off-by: Jens Axboe <axboe@kernel.dk>
-rw-r--r--block/genhd.c5
-rw-r--r--include/linux/genhd.h2
2 files changed, 5 insertions, 2 deletions
diff --git a/block/genhd.c b/block/genhd.c
index 0a273211fec283..9387f050c248a7 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -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);
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index 38f23d75701379..03da3f603d309c 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -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 */