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authorChristoph Hellwig <hch@lst.de>2005-09-06 14:04:26 +0200
committerJames Bottomley <jejb@mulgrave.(none)>2005-09-06 17:26:06 -0500
commitc5478def7a3a2dba9ceda452c2aa3539514d30a9 (patch)
treef007c87094d1fa3fede0cb10a665ecbaf1814223 /drivers/scsi/scsi_error.c
parent32993523dc59759ae6cb349e4d231d4cd2165329 (diff)
[SCSI] switch EH thread startup to the kthread API
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/scsi_error.c')
-rw-r--r--drivers/scsi/scsi_error.c29
1 files changed, 2 insertions, 27 deletions
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index 688bce74078..ebe74ccb518 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -20,6 +20,7 @@
#include <linux/string.h>
#include <linux/slab.h>
#include <linux/kernel.h>
+#include <linux/kthread.h>
#include <linux/interrupt.h>
#include <linux/blkdev.h>
#include <linux/delay.h>
@@ -1585,16 +1586,8 @@ int scsi_error_handler(void *data)
int rtn;
DECLARE_MUTEX_LOCKED(sem);
- /*
- * Flush resources
- */
-
- daemonize("scsi_eh_%d", shost->host_no);
-
current->flags |= PF_NOFREEZE;
-
shost->eh_wait = &sem;
- shost->ehandler = current;
/*
* Wake up the thread that created us.
@@ -1602,8 +1595,6 @@ int scsi_error_handler(void *data)
SCSI_LOG_ERROR_RECOVERY(3, printk("Wake up parent of"
" scsi_eh_%d\n",shost->host_no));
- complete(shost->eh_notify);
-
while (1) {
/*
* If we get a signal, it means we are supposed to go
@@ -1624,7 +1615,7 @@ int scsi_error_handler(void *data)
* semaphores isn't unreasonable.
*/
down_interruptible(&sem);
- if (shost->eh_kill)
+ if (kthread_should_stop())
break;
SCSI_LOG_ERROR_RECOVERY(1, printk("Error handler"
@@ -1663,22 +1654,6 @@ int scsi_error_handler(void *data)
* Make sure that nobody tries to wake us up again.
*/
shost->eh_wait = NULL;
-
- /*
- * Knock this down too. From this point on, the host is flying
- * without a pilot. If this is because the module is being unloaded,
- * that's fine. If the user sent a signal to this thing, we are
- * potentially in real danger.
- */
- shost->eh_active = 0;
- shost->ehandler = NULL;
-
- /*
- * If anyone is waiting for us to exit (i.e. someone trying to unload
- * a driver), then wake up that process to let them know we are on
- * the way out the door.
- */
- complete_and_exit(shost->eh_notify, 0);
return 0;
}