[SCSI] qla2xxx: use kthread_ API

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

Also switch from semaphore-based thread wakeup to wake_up_process.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-By: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 1 insertions, 5 deletions

diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index b31a03bbd14f..2e16f3285d5f 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -2414,11 +2414,7 @@ typedef struct scsi_qla_host {
         struct sns_cmd_pkt      *sns_cmd;
         dma_addr_t              sns_cmd_dma;
 
-        pid_t                   dpc_pid;
-        int                     dpc_should_die;
-        struct completion       dpc_inited;
-        struct completion       dpc_exited;
-        struct semaphore        *dpc_wait;
+        struct task_struct      *dpc_thread;
         uint8_t dpc_active;                  /* DPC routine is active */
 
         /* Timeout timers. */