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From: Jason Wang <jasowang@redhat.com>
To: Mike Christie <michael.christie@oracle.com>,
	martin.petersen@oracle.com, linux-scsi@vger.kernel.org,
	target-devel@vger.kernel.org, mst@redhat.com,
	pbonzini@redhat.com, stefanha@redhat.com,
	virtualization@lists.linux-foundation.org
Subject: Re: [PATCH 7/8] vhost: remove work arg from vhost_work_flush
Date: Tue, 22 Sep 2020 10:01:09 +0800
Message-ID: <ce8af213-1eff-7c4e-b5e8-660267b8ff31@redhat.com> (raw)
In-Reply-To: <1600712588-9514-8-git-send-email-michael.christie@oracle.com>


On 2020/9/22 上午2:23, Mike Christie wrote:
> vhost_work_flush doesn't do anything with the work arg. This patch drops
> it and then renames vhost_work_flush to vhost_work_dev_flush to reflect
> that the function flushes all the works in the dev and not just a
> specific queue or work item.
>
> Signed-off-by: Mike Christie <michael.christie@oracle.com>


Acked-by: Jason Wang <jasowang@redhat.com>


> ---
>   drivers/vhost/scsi.c  | 4 ++--
>   drivers/vhost/vhost.c | 8 ++++----
>   drivers/vhost/vhost.h | 2 +-
>   drivers/vhost/vsock.c | 2 +-
>   4 files changed, 8 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c
> index 8791db8..5833059 100644
> --- a/drivers/vhost/scsi.c
> +++ b/drivers/vhost/scsi.c
> @@ -1469,8 +1469,8 @@ static void vhost_scsi_flush(struct vhost_scsi *vs)
>   	/* Flush both the vhost poll and vhost work */
>   	for (i = 0; i < VHOST_SCSI_MAX_VQ; i++)
>   		vhost_scsi_flush_vq(vs, i);
> -	vhost_work_flush(&vs->dev, &vs->vs_completion_work);
> -	vhost_work_flush(&vs->dev, &vs->vs_event_work);
> +	vhost_work_dev_flush(&vs->dev);
> +	vhost_work_dev_flush(&vs->dev);
>   
>   	/* Wait for all reqs issued before the flush to be finished */
>   	for (i = 0; i < VHOST_SCSI_MAX_VQ; i++)
> diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
> index 5dd9eb1..f83674e 100644
> --- a/drivers/vhost/vhost.c
> +++ b/drivers/vhost/vhost.c
> @@ -231,7 +231,7 @@ void vhost_poll_stop(struct vhost_poll *poll)
>   }
>   EXPORT_SYMBOL_GPL(vhost_poll_stop);
>   
> -void vhost_work_flush(struct vhost_dev *dev, struct vhost_work *work)
> +void vhost_work_dev_flush(struct vhost_dev *dev)
>   {
>   	struct vhost_flush_struct flush;
>   
> @@ -243,13 +243,13 @@ void vhost_work_flush(struct vhost_dev *dev, struct vhost_work *work)
>   		wait_for_completion(&flush.wait_event);
>   	}
>   }
> -EXPORT_SYMBOL_GPL(vhost_work_flush);
> +EXPORT_SYMBOL_GPL(vhost_work_dev_flush);
>   
>   /* Flush any work that has been scheduled. When calling this, don't hold any
>    * locks that are also used by the callback. */
>   void vhost_poll_flush(struct vhost_poll *poll)
>   {
> -	vhost_work_flush(poll->dev, &poll->work);
> +	vhost_work_dev_flush(poll->dev);
>   }
>   EXPORT_SYMBOL_GPL(vhost_poll_flush);
>   
> @@ -542,7 +542,7 @@ static int vhost_attach_cgroups(struct vhost_dev *dev)
>   	attach.owner = current;
>   	vhost_work_init(&attach.work, vhost_attach_cgroups_work);
>   	vhost_work_queue(dev, &attach.work);
> -	vhost_work_flush(dev, &attach.work);
> +	vhost_work_dev_flush(dev);
>   	return attach.ret;
>   }
>   
> diff --git a/drivers/vhost/vhost.h b/drivers/vhost/vhost.h
> index 3d30b3d..b91efb5 100644
> --- a/drivers/vhost/vhost.h
> +++ b/drivers/vhost/vhost.h
> @@ -46,7 +46,7 @@ void vhost_poll_init(struct vhost_poll *poll, vhost_work_fn_t fn,
>   void vhost_poll_stop(struct vhost_poll *poll);
>   void vhost_poll_flush(struct vhost_poll *poll);
>   void vhost_poll_queue(struct vhost_poll *poll);
> -void vhost_work_flush(struct vhost_dev *dev, struct vhost_work *work);
> +void vhost_work_dev_flush(struct vhost_dev *dev);
>   long vhost_vring_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp);
>   
>   struct vhost_log {
> diff --git a/drivers/vhost/vsock.c b/drivers/vhost/vsock.c
> index a483cec..f40205f 100644
> --- a/drivers/vhost/vsock.c
> +++ b/drivers/vhost/vsock.c
> @@ -652,7 +652,7 @@ static void vhost_vsock_flush(struct vhost_vsock *vsock)
>   	for (i = 0; i < ARRAY_SIZE(vsock->vqs); i++)
>   		if (vsock->vqs[i].handle_kick)
>   			vhost_poll_flush(&vsock->vqs[i].poll);
> -	vhost_work_flush(&vsock->dev, &vsock->send_pkt_work);
> +	vhost_work_dev_flush(&vsock->dev);
>   }
>   
>   static void vhost_vsock_reset_orphans(struct sock *sk)


  reply index

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-21 18:23 [PATCH 0/8] vhost scsi: fixes and cleanups Mike Christie
2020-09-21 18:23 ` [PATCH 1/8] vhost vdpa: fix vhost_vdpa_open error handling Mike Christie
2020-09-22  1:58   ` Jason Wang
2020-09-21 18:23 ` [PATCH 2/8] vhost: add helper to check if a vq has been setup Mike Christie
2020-09-22  2:02   ` Jason Wang
2020-09-23 19:12     ` Mike Christie
2020-09-24  7:22       ` Jason Wang
2020-09-22  2:45   ` Bart Van Assche
2020-09-22 15:34     ` Michael Christie
2020-09-21 18:23 ` [PATCH 3/8] vhost scsi: alloc cmds per vq instead of session Mike Christie
2020-09-22  1:32   ` kernel test robot
2020-09-23  7:53   ` Dan Carpenter
2020-09-24  6:22   ` Michael S. Tsirkin
2020-09-24 15:31     ` Michael Christie
2020-09-21 18:23 ` [PATCH 4/8] vhost scsi: fix cmd completion race Mike Christie
2020-09-22  2:48   ` Bart Van Assche
2020-09-22  2:51     ` Bart Van Assche
2020-09-21 18:23 ` [PATCH 5/8] vhost scsi: add lun parser helper Mike Christie
2020-09-23 10:23   ` Paolo Bonzini
2020-09-21 18:23 ` [PATCH 6/8] vhost scsi: Add support for LUN resets Mike Christie
2020-09-21 18:23 ` [PATCH 7/8] vhost: remove work arg from vhost_work_flush Mike Christie
2020-09-22  2:01   ` Jason Wang [this message]
2020-09-21 18:23 ` [PATCH 8/8] vhost scsi: remove extra flushes Mike Christie

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