Merge master.kernel.org:/pub/scm/linux/kernel/git/sam/kbuild

[linux-2.6] / drivers / scsi / scsi_lib.c

diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index ede158d08d9df06830b92b6047b0a9453a71611c..7b0f9a3810d2fba1ac0794f820193e9a832e82ae 100644 (file)
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1479,6 +1479,8 @@ static inline int scsi_host_queue_ready(struct request_queue *q,
 static void scsi_kill_request(struct request *req, request_queue_t *q)
 {
        struct scsi_cmnd *cmd = req->special;
+       struct scsi_device *sdev = cmd->device;
+       struct Scsi_Host *shost = sdev->host;
 
        blkdev_dequeue_request(req);
 
@@ -1491,6 +1493,19 @@ static void scsi_kill_request(struct request *req, request_queue_t *q)
        scsi_init_cmd_errh(cmd);
        cmd->result = DID_NO_CONNECT << 16;
        atomic_inc(&cmd->device->iorequest_cnt);
+
+       /*
+        * SCSI request completion path will do scsi_device_unbusy(),
+        * bump busy counts.  To bump the counters, we need to dance
+        * with the locks as normal issue path does.
+        */
+       sdev->device_busy++;
+       spin_unlock(sdev->request_queue->queue_lock);
+       spin_lock(shost->host_lock);
+       shost->host_busy++;
+       spin_unlock(shost->host_lock);
+       spin_lock(sdev->request_queue->queue_lock);
+
        __scsi_done(cmd);
 }
 
@@ -1787,9 +1802,8 @@ int __init scsi_init_queue(void)
                                        sgp->name);
                }
 
-               sgp->pool = mempool_create(SG_MEMPOOL_SIZE,
-                               mempool_alloc_slab, mempool_free_slab,
-                               sgp->slab);
+               sgp->pool = mempool_create_slab_pool(SG_MEMPOOL_SIZE,
+                                                    sgp->slab);
                if (!sgp->pool) {
                        printk(KERN_ERR "SCSI: can't init sg mempool %s\n",
                                        sgp->name);