1 files changed, 24 insertions, 9 deletions

diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 2f12f9f12fcb..fb616c69151f 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -704,7 +704,7 @@ static struct scsi_cmnd *scsi_end_request(struct scsi_cmnd *cmd, int uptodate,
         return NULL;
 }
 
-static struct scatterlist *scsi_alloc_sgtable(struct scsi_cmnd *cmd, gfp_t gfp_mask)
+struct scatterlist *scsi_alloc_sgtable(struct scsi_cmnd *cmd, gfp_t gfp_mask)
 {
         struct scsi_host_sg_pool *sgp;
         struct scatterlist *sgl;
@@ -745,7 +745,9 @@ static struct scatterlist *scsi_alloc_sgtable(struct scsi_cmnd *cmd, gfp_t gfp_m
         return sgl;
 }
 
-static void scsi_free_sgtable(struct scatterlist *sgl, int index)
+EXPORT_SYMBOL(scsi_alloc_sgtable);
+
+void scsi_free_sgtable(struct scatterlist *sgl, int index)
 {
         struct scsi_host_sg_pool *sgp;
 
@@ -755,6 +757,8 @@ static void scsi_free_sgtable(struct scatterlist *sgl, int index)
         mempool_free(sgl, sgp->pool);
 }
 
+EXPORT_SYMBOL(scsi_free_sgtable);
+
 /*
  * Function:    scsi_release_buffers()
  *
@@ -1567,29 +1571,40 @@ u64 scsi_calculate_bounce_limit(struct Scsi_Host *shost)
 }
 EXPORT_SYMBOL(scsi_calculate_bounce_limit);
 
-struct request_queue *scsi_alloc_queue(struct scsi_device *sdev)
+struct request_queue *__scsi_alloc_queue(struct Scsi_Host *shost,
+                                         request_fn_proc *request_fn)
 {
-        struct Scsi_Host *shost = sdev->host;
         struct request_queue *q;
 
-        q = blk_init_queue(scsi_request_fn, NULL);
+        q = blk_init_queue(request_fn, NULL);
         if (!q)
                 return NULL;
 
-        blk_queue_prep_rq(q, scsi_prep_fn);
-
         blk_queue_max_hw_segments(q, shost->sg_tablesize);
         blk_queue_max_phys_segments(q, SCSI_MAX_PHYS_SEGMENTS);
         blk_queue_max_sectors(q, shost->max_sectors);
         blk_queue_bounce_limit(q, scsi_calculate_bounce_limit(shost));
         blk_queue_segment_boundary(q, shost->dma_boundary);
-        blk_queue_issue_flush_fn(q, scsi_issue_flush_fn);
-        blk_queue_softirq_done(q, scsi_softirq_done);
 
         if (!shost->use_clustering)
                 clear_bit(QUEUE_FLAG_CLUSTER, &q->queue_flags);
         return q;
 }
+EXPORT_SYMBOL(__scsi_alloc_queue);
+
+struct request_queue *scsi_alloc_queue(struct scsi_device *sdev)
+{
+        struct request_queue *q;
+
+        q = __scsi_alloc_queue(sdev->host, scsi_request_fn);
+        if (!q)
+                return NULL;
+
+        blk_queue_prep_rq(q, scsi_prep_fn);
+        blk_queue_issue_flush_fn(q, scsi_issue_flush_fn);
+        blk_queue_softirq_done(q, scsi_softirq_done);
+        return q;
+}
 
 void scsi_free_queue(struct request_queue *q)
 {