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Re: [Qemu-devel] sda abort with virtio-scsi
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] sda abort with virtio-scsi |
Date: |
Thu, 4 Feb 2016 16:03:46 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.5.0 |
> diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c
> index 595af1a..f712db5 100644
> --- a/drivers/scsi/virtio_scsi.c
> +++ b/drivers/scsi/virtio_scsi.c
> @@ -543,6 +543,33 @@ static int virtscsi_abort(struct scsi_cmnd *sc)
> return virtscsi_tmf(vscsi, cmd);
> }
>
> +static enum blk_eh_timer_return virtscsi_timed_out(struct scsi_cmnd *sc)
> +{
> + struct virtio_scsi *vscsi = shost_priv(sc->device->host);
> + struct virtio_scsi_cmd *cmd;
> +
> + scmd_printk(KERN_INFO, sc, "timeout\n");
> + cmd = mempool_alloc(virtscsi_cmd_pool, GFP_NOIO);
> + if (!cmd)
> + return FAILED;
Should this be BLK_EH_NOT_HANDLED? Apart from this, the patch looks
good. And of course this doesn't affect Jim, who can test this patch
anyway.
Thanks!
Paolo
> +
> + memset(cmd, 0, sizeof(*cmd));
> + cmd->sc = sc;
> + cmd->req.tmf = (struct virtio_scsi_ctrl_tmf_req){
> + .type = VIRTIO_SCSI_T_TMF,
> + .subtype = VIRTIO_SCSI_T_TMF_QUERY_TASK,
> + .lun[0] = 1,
> + .lun[1] = sc->device->id,
> + .lun[2] = (sc->device->lun >> 8) | 0x40,
> + .lun[3] = sc->device->lun & 0xff,
> + .tag = (unsigned long)sc,
> + };
> + if (virtscsi_tmf(vscsi, cmd) == FAILED)
> + return BLK_EH_NOT_HANDLED;
> +
> + return BLK_EH_RESET_TIMER;
> +}
> +
> static struct scsi_host_template virtscsi_host_template = {
> .module = THIS_MODULE,
> .name = "Virtio SCSI HBA",
> @@ -551,6 +578,7 @@ static struct scsi_host_template virtscsi_host_template =
> {
> .this_id = -1,
> .eh_abort_handler = virtscsi_abort,
> .eh_device_reset_handler = virtscsi_device_reset,
> + .eh_timed_out = virtscsi_timed_out,
>
> .can_queue = 1024,
> .dma_boundary = UINT_MAX,
> -- 1.8.5.6
>
- [Qemu-devel] sda abort with virtio-scsi, Jim Minter, 2016/02/03
- Re: [Qemu-devel] sda abort with virtio-scsi, Paolo Bonzini, 2016/02/03
- Re: [Qemu-devel] sda abort with virtio-scsi, Jim Minter, 2016/02/03
- Re: [Qemu-devel] sda abort with virtio-scsi, Paolo Bonzini, 2016/02/04
- Re: [Qemu-devel] sda abort with virtio-scsi, Denis V. Lunev, 2016/02/04
- Re: [Qemu-devel] sda abort with virtio-scsi, Jim Minter, 2016/02/04
- Re: [Qemu-devel] sda abort with virtio-scsi, Hannes Reinecke, 2016/02/04
- Re: [Qemu-devel] sda abort with virtio-scsi,
Paolo Bonzini <=
- Re: [Qemu-devel] sda abort with virtio-scsi, Hannes Reinecke, 2016/02/04
- Re: [Qemu-devel] sda abort with virtio-scsi, Jim Minter, 2016/02/08
Re: [Qemu-devel] sda abort with virtio-scsi, Hannes Reinecke, 2016/02/04