From: Paolo Bonzini <pbonzini@redhat.com>
To: linux-kernel@vger.kernel.org
Cc: Wanlong Gao <gaowanlong@cn.fujitsu.com>,
asias@redhat.com, mst@redhat.com,
Rusty Russell <rusty@rustcorp.com.au>,
kvm@vger.kernel.org, virtualization@lists.linux-foundation.org,
JBottomley@parallels.com, linux-scsi@vger.kernel.org
Subject: [PATCH v3 2/5] virtio-scsi: pass struct virtio_scsi to virtqueue completion function
Date: Tue, 12 Feb 2013 14:06:28 +0100 [thread overview]
Message-ID: <1360674391-2661-3-git-send-email-pbonzini@redhat.com> (raw)
In-Reply-To: <1360674391-2661-1-git-send-email-pbonzini@redhat.com>
This will be needed soon in order to retrieve the per-target
struct.
Cc: linux-scsi@vger.kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
drivers/scsi/virtio_scsi.c | 17 +++++++++--------
1 files changed, 9 insertions(+), 8 deletions(-)
diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c
index 3f15568..3dd4ec5 100644
--- a/drivers/scsi/virtio_scsi.c
+++ b/drivers/scsi/virtio_scsi.c
@@ -104,7 +104,7 @@ static void virtscsi_compute_resid(struct scsi_cmnd *sc, u32 resid)
*
* Called with vq_lock held.
*/
-static void virtscsi_complete_cmd(void *buf)
+static void virtscsi_complete_cmd(struct virtio_scsi *vscsi, void *buf)
{
struct virtio_scsi_cmd *cmd = buf;
struct scsi_cmnd *sc = cmd->sc;
@@ -165,7 +165,8 @@ static void virtscsi_complete_cmd(void *buf)
sc->scsi_done(sc);
}
-static void virtscsi_vq_done(struct virtqueue *vq, void (*fn)(void *buf))
+static void virtscsi_vq_done(struct virtio_scsi *vscsi, struct virtqueue *vq,
+ void (*fn)(struct virtio_scsi *vscsi, void *buf))
{
void *buf;
unsigned int len;
@@ -173,7 +174,7 @@ static void virtscsi_vq_done(struct virtqueue *vq, void (*fn)(void *buf))
do {
virtqueue_disable_cb(vq);
while ((buf = virtqueue_get_buf(vq, &len)) != NULL)
- fn(buf);
+ fn(vscsi, buf);
} while (!virtqueue_enable_cb(vq));
}
@@ -184,11 +185,11 @@ static void virtscsi_req_done(struct virtqueue *vq)
unsigned long flags;
spin_lock_irqsave(&vscsi->req_vq.vq_lock, flags);
- virtscsi_vq_done(vq, virtscsi_complete_cmd);
+ virtscsi_vq_done(vscsi, vq, virtscsi_complete_cmd);
spin_unlock_irqrestore(&vscsi->req_vq.vq_lock, flags);
};
-static void virtscsi_complete_free(void *buf)
+static void virtscsi_complete_free(struct virtio_scsi *vscsi, void *buf)
{
struct virtio_scsi_cmd *cmd = buf;
@@ -205,7 +206,7 @@ static void virtscsi_ctrl_done(struct virtqueue *vq)
unsigned long flags;
spin_lock_irqsave(&vscsi->ctrl_vq.vq_lock, flags);
- virtscsi_vq_done(vq, virtscsi_complete_free);
+ virtscsi_vq_done(vscsi, vq, virtscsi_complete_free);
spin_unlock_irqrestore(&vscsi->ctrl_vq.vq_lock, flags);
};
@@ -329,7 +330,7 @@ static void virtscsi_handle_event(struct work_struct *work)
virtscsi_kick_event(vscsi, event_node);
}
-static void virtscsi_complete_event(void *buf)
+static void virtscsi_complete_event(struct virtio_scsi *vscsi, void *buf)
{
struct virtio_scsi_event_node *event_node = buf;
@@ -344,7 +345,7 @@ static void virtscsi_event_done(struct virtqueue *vq)
unsigned long flags;
spin_lock_irqsave(&vscsi->event_vq.vq_lock, flags);
- virtscsi_vq_done(vq, virtscsi_complete_event);
+ virtscsi_vq_done(vscsi, vq, virtscsi_complete_event);
spin_unlock_irqrestore(&vscsi->event_vq.vq_lock, flags);
};
--
1.7.1
next prev parent reply other threads:[~2013-02-12 13:07 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-12 13:06 [PATCH v3 0/5] virtio-scsi multiqueue Paolo Bonzini
2013-02-12 13:06 ` [PATCH v3 1/5] virtio-scsi: redo allocation of target data Paolo Bonzini
2013-02-12 13:06 ` Paolo Bonzini [this message]
2013-02-12 13:06 ` [PATCH v3 3/5] virtio-scsi: push vq lock/unlock into virtscsi_vq_done Paolo Bonzini
2013-02-12 13:06 ` [PATCH v3 4/5] virtio-scsi: introduce multiqueue support Paolo Bonzini
2013-02-12 13:06 ` [PATCH v3 5/5] virtio-scsi: reset virtqueue affinity when doing cpu hotplug Paolo Bonzini
2013-02-18 9:32 ` [PATCH v3 0/5] virtio-scsi multiqueue Wanlong Gao
2013-02-18 10:05 ` Paolo Bonzini
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