Merge branch 'wip-2.6.34' into old-private-masterarchived-private-master

1 files changed, 10 insertions, 1 deletions

diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c
index 1c558d3bce18..822835055cef 100644
--- a/drivers/scsi/libsas/sas_scsi_host.c
+++ b/drivers/scsi/libsas/sas_scsi_host.c
@@ -44,6 +44,7 @@
 #include <linux/err.h>
 #include <linux/blkdev.h>
 #include <linux/freezer.h>
+#include <linux/gfp.h>
 #include <linux/scatterlist.h>
 #include <linux/libata.h>
 
@@ -820,10 +821,14 @@ void sas_slave_destroy(struct scsi_device *scsi_dev)
                 ata_port_disable(dev->sata_dev.ap);
 }
 
-int sas_change_queue_depth(struct scsi_device *scsi_dev, int new_depth)
+int sas_change_queue_depth(struct scsi_device *scsi_dev, int new_depth,
+                           int reason)
 {
         int res = min(new_depth, SAS_MAX_QD);
 
+        if (reason != SCSI_QDEPTH_DEFAULT)
+                return -EOPNOTSUPP;
+
         if (scsi_dev->tagged_supported)
                 scsi_adjust_queue_depth(scsi_dev, scsi_get_tag_type(scsi_dev),
                                         res);
@@ -1025,6 +1030,8 @@ int __sas_task_abort(struct sas_task *task)
 void sas_task_abort(struct sas_task *task)
 {
         struct scsi_cmnd *sc = task->uldd_task;
+        struct request_queue *q = sc->device->request_queue;
+        unsigned long flags;
 
         /* Escape for libsas internal commands */
         if (!sc) {
@@ -1039,7 +1046,9 @@ void sas_task_abort(struct sas_task *task)
                 return;
         }
 
+        spin_lock_irqsave(q->queue_lock, flags);
         blk_abort_request(sc->request);
+        spin_unlock_irqrestore(q->queue_lock, flags);
         scsi_schedule_eh(sc->device->host);
 }