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Commit 6cdd5520 authored by Dan Williams's avatar Dan Williams Committed by James Bottomley
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[SCSI] queue async scan work to an async_schedule domain 



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: default avatarDan Williams <dan.j.williams@intel.com>
Tested-by: default avatarEldad Zack <eldad@fogrefinery.com>
Signed-off-by: default avatarJames Bottomley <JBottomley@Parallels.com>
parent a4683487

drivers/scsi/scsi_scan.c

+6 −6
Original line number Diff line number Diff line
@@ -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);