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[5/5] nbd: call nbd_bdev_reset instead of bd_set_size on disconnect

Message ID 20180516183605.16159-5-josef@toxicpanda.com (mailing list archive)
State New, archived
Headers show

Commit Message

Josef Bacik May 16, 2018, 6:36 p.m. UTC 
From: Josef Bacik <jbacik@fb.com>

We need to make sure we don't just set the size of the bdev to 0 while
it's being used by a file system.  We have the appropriate check in
nbd_bdev_reset, simply use that helper instead.

Signed-off-by: Josef Bacik <jbacik@fb.com>
---
 drivers/block/nbd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 24788bd10c8b..abc0a815354f 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -1127,7 +1127,7 @@  static int nbd_start_device_ioctl(struct nbd_device *nbd, struct block_device *b
 	if (ret)
 		sock_shutdown(nbd);
 	mutex_lock(&nbd->config_lock);
-	bd_set_size(bdev, 0);
+	nbd_bdev_reset(bdev);
 	/* user requested, ignore socket errors */
 	if (test_bit(NBD_DISCONNECT_REQUESTED, &config->runtime_flags))
 		ret = 0;