[SCSI] aacraid: use kthread_ API

Use the kthread_ API instead of opencoding lots of hairy code for kernel
thread creation and teardown.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Salyzyn, Mark <mark_salyzyn@adaptec.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 5 insertions, 9 deletions

diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c
index 609fd19b184..c7f80ec7abd 100644
--- a/drivers/scsi/aacraid/commsup.c
+++ b/drivers/scsi/aacraid/commsup.c
@@ -39,6 +39,7 @@
 #include <linux/completion.h>
 #include <linux/blkdev.h>
 #include <linux/delay.h>
+#include <linux/kthread.h>
 #include <scsi/scsi_host.h>
 #include <scsi/scsi_device.h>
 #include <asm/semaphore.h>
@@ -1045,8 +1046,9 @@ static void aac_handle_aif(struct aac_dev * dev, struct fib * fibptr)
  *      more FIBs.
  */
  
-int aac_command_thread(struct aac_dev * dev)
+int aac_command_thread(void *data)
 {
+        struct aac_dev *dev = data;
         struct hw_fib *hw_fib, *hw_newfib;
         struct fib *fib, *newfib;
         struct aac_fib_context *fibctx;
@@ -1058,12 +1060,7 @@ int aac_command_thread(struct aac_dev * dev)
          */
         if (dev->aif_thread)
                 return -EINVAL;
-        /*
-         *      Set up the name that will appear in 'ps'
-         *      stored in  task_struct.comm[16].
-         */
-        daemonize("aacraid");
-        allow_signal(SIGKILL);
+
         /*
          *      Let the DPC know it has a place to send the AIF's to.
          */
@@ -1266,13 +1263,12 @@ int aac_command_thread(struct aac_dev * dev)
                 spin_unlock_irqrestore(dev->queues->queue[HostNormCmdQueue].lock, flags);
                 schedule();
 
-                if(signal_pending(current))
+                if (kthread_should_stop())
                         break;
                 set_current_state(TASK_INTERRUPTIBLE);
         }
         if (dev->queues)
                 remove_wait_queue(&dev->queues->queue[HostNormCmdQueue].cmdready, &wait);
         dev->aif_thread = 0;
-        complete_and_exit(&dev->aif_completion, 0);
         return 0;
 }