[SCSI] mptfusion : dv performance fix

Syncronization for Domain Validation workqueue and the initiation of the
alternate controller.  Its possible that dv could be terminated if the
workqueue on the 1st channel doesn complete in time before the 2nd channel
begins initialization.

Signed-off-by: Eric Moore <Eric.Moore@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/message/fusion/mptbase.h b/drivers/message/fusion/mptbase.h
index 8ad277a9afa1..a564ae36a2c2 100644
--- a/drivers/message/fusion/mptbase.h
+++ b/drivers/message/fusion/mptbase.h
@@ -611,6 +611,8 @@ typedef struct _MPT_ADAPTER
         int                      DoneCtx;
         int                      TaskCtx;
         int                      InternalCtx;
+        spinlock_t               initializing_hba_lock;
+        int                      initializing_hba_lock_flag;
         struct list_head         list;
         struct net_device       *netdev;
         struct list_head         sas_topology;
@@ -1001,6 +1003,7 @@ extern void	 mpt_free_fw_memory(MPT_ADAPTER *ioc);
 extern int       mpt_findImVolumes(MPT_ADAPTER *ioc);
 extern int       mpt_read_ioc_pg_3(MPT_ADAPTER *ioc);
 extern int       mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode);
+extern int       mpt_alt_ioc_wait(MPT_ADAPTER *ioc);
 
 /*
  *  Public data decl's...