From: Martijn Coenen <maco@android.com>
Date: Wed, 13 May 2020 13:38:38 +0000 (+0200)
Subject: loop: Switch to set_capacity_revalidate_and_notify()
X-Git-Tag: v5.10.7~2495^2~18
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=716ad0986cbd1d3b2ab3f6d23144a94638dac20b;p=platform%2Fkernel%2Flinux-rpi.git

loop: Switch to set_capacity_revalidate_and_notify()

This was recently added to block/genhd.c, and takes care of both
updating the capacity and notifying userspace of the new size.

Signed-off-by: Martijn Coenen <maco@android.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index e69ff3c..d9a756f 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -240,10 +240,9 @@ static void loop_set_size(struct loop_device *lo, loff_t size)
 {
 	struct block_device *bdev = lo->lo_device;
 
-	set_capacity(lo->lo_disk, size);
 	bd_set_size(bdev, size << SECTOR_SHIFT);
-	/* let user-space know about the new size */
-	kobject_uevent(&disk_to_dev(bdev->bd_disk)->kobj, KOBJ_CHANGE);
+
+	set_capacity_revalidate_and_notify(lo->lo_disk, size, false);
 }
 
 static void