On Tue, Feb 12, 2013 at 11:06 AM, Paolo Bonzini <[email protected]> wrote: > Pass the read-only flag to set_device_ro, so that it will be > visible to the block layer and in sysfs.
Looks good > Cc: <[email protected]> > Cc: Paul Clements <[email protected]> > Cc: Andrew Morton <[email protected]> > Signed-off-by: Paolo Bonzini <[email protected]> > --- > drivers/block/nbd.c | 3 +++ > 1 files changed, 3 insertions(+), 0 deletions(-) > > diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c > index a9c5c7a..ef17c2e 100644 > --- a/drivers/block/nbd.c > +++ b/drivers/block/nbd.c > @@ -703,6 +703,8 @@ static int __nbd_ioctl(struct block_device *bdev, struct > nbd_device *nbd, > > mutex_unlock(&nbd->tx_lock); > > + if (nbd->flags & NBD_FLAG_READ_ONLY) > + set_device_ro(bdev, true); > if (nbd->flags & NBD_FLAG_SEND_TRIM) > queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, > nbd->disk->queue); > @@ -730,6 +732,7 @@ static int __nbd_ioctl(struct block_device *bdev, struct > nbd_device *nbd, > dev_warn(disk_to_dev(nbd->disk), "queue cleared\n"); > kill_bdev(bdev); > queue_flag_clear_unlocked(QUEUE_FLAG_DISCARD, > nbd->disk->queue); > + set_device_ro(bdev, false); > if (file) > fput(file); > nbd->flags = 0; > -- > 1.7.1 > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
