From: Josef Bacik Date: Wed, 16 May 2018 18:51:22 +0000 (-0400) Subject: nbd: call nbd_bdev_reset instead of bd_set_size on disconnect X-Git-Tag: v4.18-rc1~192^2~90 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=76aa1d341257c1beb6ecfdd67fecdaac7e2aee25;p=linux.git 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 Signed-off-by: Jens Axboe --- 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;