block: rename blkdev_close to blkdev_release

Make the function name match the method name.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Acked-by: Christian Brauner <brauner@kernel.org>
Link: https://lore.kernel.org/r/20230608110258.189493-11-hch@lst.deSigned-off-by: Jens Axboe <axboe@kernel.dk>

block/fops.c

@@ -500,7 +500,7 @@ static int blkdev_open(struct inode *inode, struct file *filp)
 	return 0;
 }
 
-static int blkdev_close(struct inode *inode, struct file *filp)
+static int blkdev_release(struct inode *inode, struct file *filp)
 {
 	struct block_device *bdev = filp->private_data;
 
@@ -677,7 +677,7 @@ static long blkdev_fallocate(struct file *file, int mode, loff_t start,
 
 const struct file_operations def_blk_fops = {
 	.open		= blkdev_open,
-	.release	= blkdev_close,
+	.release	= blkdev_release,
 	.llseek		= blkdev_llseek,
 	.read_iter	= blkdev_read_iter,
 	.write_iter	= blkdev_write_iter,