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Subject[PATCH 4/5] virtio-scsi: pass struct virtio_scsi to virtqueue completion function
Date
This will be needed soon in order to retrieve the per-target
struct.

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 62fec04..6414ea0 100644
--- a/drivers/scsi/virtio_scsi.c
+++ b/drivers/scsi/virtio_scsi.c
@@ -107,7 +107,7 @@ 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;
@@ -168,7 +168,8 @@ 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;
@@ -176,7 +177,7 @@ 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));
}

@@ -187,11 +188,11 @@ 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;

@@ -208,7 +209,7 @@ 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);
};

@@ -331,7 +332,7 @@ 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;

@@ -346,7 +347,7 @@ 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



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