From: Jason Wang <jasowang@redhat.com>
To: Bhumika Goyal <bhumirks@gmail.com>,
julia.lawall@lip6.fr, mst@redhat.com, kvm@vger.kernel.org,
virtualization@lists.linux-foundation.org,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] vhost: scsi: constify target_core_fabric_ops structures
Date: Tue, 10 Jan 2017 10:50:05 +0800 [thread overview]
Message-ID: <933d05a8-aabd-0cd8-1adf-d36af62a8e0c@redhat.com> (raw)
In-Reply-To: <1483975262-1260-1-git-send-email-bhumirks@gmail.com>
On 2017年01月09日 23:21, Bhumika Goyal wrote:
> Declare target_core_fabric_ops strucrues as const as they are only
> passed as an argument to the functions target_register_template and
> target_unregister_template. The arguments are of type const struct
> target_core_fabric_ops *, so target_core_fabric_ops structures having
> this property can be declared const.
> Done using Coccinelle:
>
> @r disable optional_qualifier@
> identifier i;
> position p;
> @@
> static struct target_core_fabric_ops i@p={...};
>
> @ok@
> position p;
> identifier r.i;
> @@
> (
> target_register_template(&i@p)
> |
> target_unregister_template(&i@p)
> )
> @bad@
> position p!={r.p,ok.p};
> identifier r.i;
> @@
> i@p
>
> @depends on !bad disable optional_qualifier@
> identifier r.i;
> @@
> +const
> struct target_core_fabric_ops i;
>
> File size before: drivers/vhost/scsi.o
> text data bss dec hex filename
> 18063 2985 40 21088 5260 drivers/vhost/scsi.o
>
> File size after: drivers/vhost/scsi.o
> text data bss dec hex filename
> 18479 2601 40 21120 5280 drivers/vhost/scsi.o
>
> Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
> ---
> drivers/vhost/scsi.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c
> index 253310c..620366d 100644
> --- a/drivers/vhost/scsi.c
> +++ b/drivers/vhost/scsi.c
> @@ -2087,7 +2087,7 @@ static void vhost_scsi_drop_tport(struct se_wwn *wwn)
> NULL,
> };
>
> -static struct target_core_fabric_ops vhost_scsi_ops = {
> +static const struct target_core_fabric_ops vhost_scsi_ops = {
> .module = THIS_MODULE,
> .name = "vhost",
> .get_fabric_name = vhost_scsi_get_fabric_name,
Acked-by: Jason Wang <jasowang@redhat.com>
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next parent reply other threads:[~2017-01-10 2:50 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1483975262-1260-1-git-send-email-bhumirks@gmail.com>
2017-01-10 2:50 ` Jason Wang [this message]
2017-01-10 5:11 ` [PATCH] vhost: scsi: constify target_core_fabric_ops structures Michael S. Tsirkin
2017-01-10 12:41 ` Bhumika Goyal
[not found] ` <CAOH+1jG4xohEaTTcgXPq2SA6T8yM-Q8oMEMS3iwyp+0RQnxkUg@mail.gmail.com>
2017-01-10 15:13 ` Michael S. Tsirkin
2017-01-09 15:21 Bhumika Goyal
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