block: split scsi_request out of struct request

[mirror_ubuntu-artful-kernel.git] / drivers / scsi / scsi_error.c

diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index 996e134d79faaf37674731e03a8de1360194d011..4b40f746d534147d5563849edf56b9942668e3f1 100644 (file)
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -1968,6 +1968,7 @@ static void eh_lock_door_done(struct request *req, int uptodate)
 static void scsi_eh_lock_door(struct scsi_device *sdev)
 {
        struct request *req;
+       struct scsi_request *rq;
 
        /*
         * blk_get_request with GFP_KERNEL (__GFP_RECLAIM) sleeps until a
@@ -1976,17 +1977,16 @@ static void scsi_eh_lock_door(struct scsi_device *sdev)
        req = blk_get_request(sdev->request_queue, READ, GFP_KERNEL);
        if (IS_ERR(req))
                return;
+       rq = scsi_req(req);
+       scsi_req_init(req);
 
-       blk_rq_set_block_pc(req);
-
-       req->cmd[0] = ALLOW_MEDIUM_REMOVAL;
-       req->cmd[1] = 0;
-       req->cmd[2] = 0;
-       req->cmd[3] = 0;
-       req->cmd[4] = SCSI_REMOVAL_PREVENT;
-       req->cmd[5] = 0;
-
-       req->cmd_len = COMMAND_SIZE(req->cmd[0]);
+       rq->cmd[0] = ALLOW_MEDIUM_REMOVAL;
+       rq->cmd[1] = 0;
+       rq->cmd[2] = 0;
+       rq->cmd[3] = 0;
+       rq->cmd[4] = SCSI_REMOVAL_PREVENT;
+       rq->cmd[5] = 0;
+       rq->cmd_len = COMMAND_SIZE(rq->cmd[0]);
 
        req->rq_flags |= RQF_QUIET;
        req->timeout = 10 * HZ;
@@ -2331,7 +2331,7 @@ scsi_ioctl_reset(struct scsi_device *dev, int __user *arg)
 {
        struct scsi_cmnd *scmd;
        struct Scsi_Host *shost = dev->host;
-       struct request req;
+       struct request *rq;
        unsigned long flags;
        int error = 0, rtn, val;
 
@@ -2346,14 +2346,16 @@ scsi_ioctl_reset(struct scsi_device *dev, int __user *arg)
                return -EIO;
 
        error = -EIO;
-       scmd = scsi_get_command(dev, GFP_KERNEL);
-       if (!scmd)
+       rq = kzalloc(sizeof(struct request) + sizeof(struct scsi_cmnd) +
+                       shost->hostt->cmd_size, GFP_KERNEL);
+       if (!rq)
                goto out_put_autopm_host;
+       blk_rq_init(NULL, rq);
 
-       blk_rq_init(NULL, &req);
-       scmd->request = &req;
-
-       scmd->cmnd = req.cmd;
+       scmd = (struct scsi_cmnd *)(rq + 1);
+       scsi_init_command(dev, scmd);
+       scmd->request = rq;
+       scmd->cmnd = scsi_req(rq)->cmd;
 
        scmd->scsi_done         = scsi_reset_provider_done_command;
        memset(&scmd->sdb, 0, sizeof(scmd->sdb));
@@ -2413,6 +2415,7 @@ scsi_ioctl_reset(struct scsi_device *dev, int __user *arg)
        scsi_run_host_queues(shost);
 
        scsi_put_command(scmd);
+       kfree(rq);
 
 out_put_autopm_host:
        scsi_autopm_put_host(shost);