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nbd: call nbd_bdev_reset instead of bd_set_size on disconnect 

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>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
hifive-unleashed-5.1
Josef Bacik 2018-05-16 14:51:22 -04:00 committed by Jens Axboe
parent fe1f9e6659
commit 76aa1d3412
1 changed files with 1 additions and 1 deletions
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2
drivers/block/nbd.c
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@ -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;