[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>
diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c
index 7663841..b784089 100644
--- a/drivers/scsi/libsas/sas_scsi_host.c
+++ b/drivers/scsi/libsas/sas_scsi_host.c
@@ -200,6 +200,10 @@
*/
int sas_queuecommand(struct scsi_cmnd *cmd,
void (*scsi_done)(struct scsi_cmnd *))
+ __releases(host->host_lock)
+ __acquires(dev->sata_dev.ap->lock)
+ __releases(dev->sata_dev.ap->lock)
+ __acquires(host->host_lock)
{
int res = 0;
struct domain_device *dev = cmd_to_domain_dev(cmd);
@@ -410,7 +414,7 @@
}
/* Find the sas_phy that's attached to this device */
-struct sas_phy *find_local_sas_phy(struct domain_device *dev)
+static struct sas_phy *find_local_sas_phy(struct domain_device *dev)
{
struct domain_device *pdev = dev->parent;
struct ex_phy *exphy = NULL;
diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h
index e42374c..93248cd 100644
--- a/include/scsi/libsas.h
+++ b/include/scsi/libsas.h
@@ -563,7 +563,7 @@
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 @@
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 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);
}
