[PATCH V4 3/3] block: change return type to void

[Chaitanya Kulkarni <kch@nvidia.com>]

Now that all the callers of __blkdev_issue_discard() have been changed
to ignore its return value, change its return type from int to void.

Signed-off-by: Chaitanya Kulkarni <kch@nvidia.com>
---
 block/blk-lib.c        | 3 +--
 include/linux/blkdev.h | 2 +-
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/block/blk-lib.c b/block/blk-lib.c
index 0be3acdc3eb5..3213afc7f0d5 100644
--- a/block/blk-lib.c
+++ b/block/blk-lib.c
@@ -60,7 +60,7 @@ struct bio *blk_alloc_discard_bio(struct block_device *bdev,
 	return bio;
 }
 
-int __blkdev_issue_discard(struct block_device *bdev, sector_t sector,
+void __blkdev_issue_discard(struct block_device *bdev, sector_t sector,
 		sector_t nr_sects, gfp_t gfp_mask, struct bio **biop)
 {
 	struct bio *bio;
@@ -68,7 +68,6 @@ int __blkdev_issue_discard(struct block_device *bdev, sector_t sector,
 	while ((bio = blk_alloc_discard_bio(bdev, &sector, &nr_sects,
 			gfp_mask)))
 		*biop = bio_chain_and_submit(*biop, bio);
-	return 0;
 }
 EXPORT_SYMBOL(__blkdev_issue_discard);
 
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 2ae4c45e4959..5ac4c7f2c2c0 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1258,7 +1258,7 @@ extern void blk_io_schedule(void);
 
 int blkdev_issue_discard(struct block_device *bdev, sector_t sector,
 		sector_t nr_sects, gfp_t gfp_mask);
-int __blkdev_issue_discard(struct block_device *bdev, sector_t sector,
+void __blkdev_issue_discard(struct block_device *bdev, sector_t sector,
 		sector_t nr_sects, gfp_t gfp_mask, struct bio **biop);
 int blkdev_issue_secure_erase(struct block_device *bdev, sector_t sector,
 		sector_t nr_sects, gfp_t gfp);
-- 
2.39.5