On Thu, Jun 30, 2016 at 4:32 PM, Pranay Kr. Srivastava
<[email protected]> wrote:
> From: "Pranay Kr. Srivastava" <[email protected]>
>
> This patch
> 1) uses spin_lock instead of irq version.
>
> 2) removes the goto statement in case a socket
> is already assigned with simple if-else statement.
>
> Signed-off-by: Pranay Kr. Srivastava <[email protected]>
> ---
> drivers/block/nbd.c | 15 +++++----------
> 1 file changed, 5 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
> index 56f7f5d..766c401 100644
> --- a/drivers/block/nbd.c
> +++ b/drivers/block/nbd.c
> @@ -643,17 +643,12 @@ static int nbd_set_socket(struct nbd_device *nbd,
> struct socket *sock)
> {
> int ret = 0;
>
> - spin_lock_irq(&nbd->sock_lock);
> -
> - if (nbd->sock) {
> + spin_lock(&nbd->sock_lock);
> + if (nbd->sock)
> ret = -EBUSY;
> - goto out;
> - }
> -
> - nbd->sock = sock;
> -
> -out:
> - spin_unlock_irq(&nbd->sock_lock);
> + else
> + nbd->sock = sock;
> + spin_unlock(&nbd->sock_lock);
>
> return ret;
> }
> --
> 1.9.1
>
Hi Markus,
Did you get a chance to review V4 of this series.
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