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[SCSI] queue async scan work to an async_schedule domain

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This is preparation to enable async_synchronize_full() to be used as a
replacement for scsi_complete_async_scans(), i.e. to stop leaking scsi
internal details where they are not needed.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Tested-by: Eldad Zack <eldad@fogrefinery.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Dan Williams 2012-07-09 19:33:35 -07:00 committed by James Bottomley
parent a4683487f9
commit 6cdd55205d
1 changed files with 6 additions and 6 deletions
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12
drivers/scsi/scsi_scan.c
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@ -1845,14 +1845,13 @@ static void do_scsi_scan_host(struct Scsi_Host *shost)
}
}
static int do_scan_async(void *_data)
static void do_scan_async(void *_data, async_cookie_t c)
{
struct async_scan_data *data = _data;
struct Scsi_Host *shost = data->shost;
do_scsi_scan_host(shost);
scsi_finish_async_scan(data);
return 0;
}
/**
@ -1861,7 +1860,6 @@ static int do_scan_async(void *_data)
**/
void scsi_scan_host(struct Scsi_Host *shost)
{
struct task_struct *p;
struct async_scan_data *data;
if (strncmp(scsi_scan_type, "none", 4) == 0)
@ -1876,9 +1874,11 @@ void scsi_scan_host(struct Scsi_Host *shost)
return;
}
p = kthread_run(do_scan_async, data, "scsi_scan_%d", shost->host_no);
if (IS_ERR(p))
do_scan_async(data);
/* register with the async subsystem so wait_for_device_probe()
* will flush this work
*/
async_schedule(do_scan_async, data);
/* scsi_autopm_put_host(shost) is called in scsi_finish_async_scan() */
}
EXPORT_SYMBOL(scsi_scan_host);