From: Josef Bacik jbacik@fb.com

I messed up changing the size of an NBD device while it was connected by not actually updating the device or doing the uevent. Fix this by updating everything if we're connected and we change the size.

cc: stable@vger.kernel.org Fixes: 639812a ("nbd: don't set the device size until we're connected") Signed-off-by: Josef Bacik jbacik@fb.com --- drivers/block/nbd.c | 2 ++ 1 file changed, 2 insertions(+)

diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index 9710a0c338b0..b709abf3cb79 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -246,6 +246,8 @@ static void nbd_size_set(struct nbd_device *nbd, loff_t blocksize, struct nbd_config *config = nbd->config; config->blksize = blocksize; config->bytesize = blocksize * nr_blocks; + if (nbd->task_recv != NULL) + nbd_size_update(nbd); }

static void nbd_complete_rq(struct request *req)