Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
From:   Martijn Coenen <maco@android.com>
To:     axboe@kernel.dk, hch@lst.de, ming.lei@redhat.com
Cc:     narayan@google.com, zezeozue@google.com, maco@google.com,
        kernel-team@android.com, bvanassche@acm.org,
        Chaitanya.Kulkarni@wdc.com, jaegeuk@kernel.org,
        linux-block@vger.kernel.org, linux-kernel@vger.kernel.org,
        Martijn Coenen <maco@android.com>
Subject: [PATCH v5 04/11] loop: Switch to set_capacity_revalidate_and_notify()
Date:   Wed, 13 May 2020 15:38:38 +0200
Message-Id: <20200513133845.244903-5-maco@android.com>
In-Reply-To: <20200513133845.244903-1-maco@android.com>
References: <20200513133845.244903-1-maco@android.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

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

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martijn Coenen <maco@android.com>
---
 drivers/block/loop.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index e69ff3c19eff..d9a756f8abd5 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
-- 
2.26.2.645.ge9eca65c58-goog