diff options
author | Paolo Bonzini <pbonzini@redhat.com> | 2013-04-08 23:01:38 +0930 |
---|---|---|
committer | Rusty Russell <rusty@rustcorp.com.au> | 2013-04-08 23:06:49 +0930 |
commit | 7f82b3c9158f3ce8eb9eaf0320a359de9ab6392c (patch) | |
tree | 06c48ccd88cba35cf12198836ea863df77877675 /drivers/scsi/virtio_scsi.c | |
parent | 5c370194df9a97248ca69e05bfbd2d21b4886fe5 (diff) | |
download | linux-7f82b3c9158f3ce8eb9eaf0320a359de9ab6392c.tar.bz2 |
virtio-scsi: pass struct virtio_scsi to virtqueue completion function
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>
Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
Reviewed-by: Asias He <asias@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'drivers/scsi/virtio_scsi.c')
-rw-r--r-- | 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 ffa03e8cb19c..c23560c6a32e 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); }; |