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[SCSI] switch EH thread startup to the kthread API

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Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Christoph Hellwig
2005-09-06 14:04:26 +02:00
committed by James Bottomley
parent 32993523dc
commit c5478def7a
3 changed files with 10 additions and 44 deletions
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23
drivers/scsi/hosts.c
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@@ -24,6 +24,7 @@
#include <linux/module.h>
#include <linux/blkdev.h>
#include <linux/kernel.h>
#include <linux/kthread.h>
#include <linux/string.h>
#include <linux/mm.h>
#include <linux/init.h>
@@ -225,15 +226,8 @@ static void scsi_host_dev_release(struct device *dev)
struct Scsi_Host *shost = dev_to_shost(dev);
struct device *parent = dev->parent;
if (shost->ehandler) {
DECLARE_COMPLETION(sem);
shost->eh_notify = &sem;
shost->eh_kill = 1;
up(shost->eh_wait);
wait_for_completion(&sem);
shost->eh_notify = NULL;
}
if (shost->ehandler)
kthread_stop(shost->ehandler);
if (shost->work_q)
destroy_workqueue(shost->work_q);
@@ -263,7 +257,6 @@ struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize)
{
struct Scsi_Host *shost;
int gfp_mask = GFP_KERNEL, rval;
DECLARE_COMPLETION(complete);
if (sht->unchecked_isa_dma && privsize)
gfp_mask |= __GFP_DMA;
@@ -369,12 +362,12 @@ struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize)
snprintf(shost->shost_classdev.class_id, BUS_ID_SIZE, "host%d",
shost->host_no);
shost->eh_notify = &complete;
rval = kernel_thread(scsi_error_handler, shost, 0);
if (rval < 0)
shost->ehandler = kthread_run(scsi_error_handler, shost,
"scsi_eh_%d", shost->host_no);
if (IS_ERR(shost->ehandler)) {
rval = PTR_ERR(shost->ehandler);
goto fail_destroy_freelist;
wait_for_completion(&complete);
shost->eh_notify = NULL;
}
scsi_proc_hostdir_add(shost->hostt);
return shost;