[SCSI] libsas: Fix various sparse complaints

Annotate sas_queuecommand with locking details, and clean up a few
more sparse warnings about static/non-static declarations.

Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

1 files changed, 1 insertions, 3 deletions

diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h
index e42374cebf95..93248cd48373 100644
--- a/include/scsi/libsas.h
+++ b/include/scsi/libsas.h
@@ -563,7 +563,7 @@ struct sas_task {
         struct work_struct abort_work;
 };
 
-
+extern struct kmem_cache *sas_task_cache;
 
 #define SAS_TASK_STATE_PENDING      1
 #define SAS_TASK_STATE_DONE         2
@@ -573,7 +573,6 @@ struct sas_task {
 
 static inline struct sas_task *sas_alloc_task(gfp_t flags)
 {
-        extern struct kmem_cache *sas_task_cache;
         struct sas_task *task = kmem_cache_zalloc(sas_task_cache, flags);
 
         if (task) {
@@ -590,7 +589,6 @@ static inline struct sas_task *sas_alloc_task(gfp_t flags)
 static inline void sas_free_task(struct sas_task *task)
 {
         if (task) {
-                extern struct kmem_cache *sas_task_cache;
                 BUG_ON(!list_empty(&task->list));
                 kmem_cache_free(sas_task_cache, task);
         }