lkml.org 
[lkml]   [2015]   [Jul]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] scsi: storvsc: use shost_for_each_device() instead of open coding
Date
Comment in struct Scsi_Host says that drivers are not supposed to access
__devices directly. storvsc_host_scan() doesn't happen in irq context
so we can just use shost_for_each_device().

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
---
drivers/scsi/storvsc_drv.c | 9 +--------
1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index 3c6584f..9ea912b 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -426,7 +426,6 @@ static void storvsc_host_scan(struct work_struct *work)
struct storvsc_scan_work *wrk;
struct Scsi_Host *host;
struct scsi_device *sdev;
- unsigned long flags;

wrk = container_of(work, struct storvsc_scan_work, work);
host = wrk->host;
@@ -443,14 +442,8 @@ static void storvsc_host_scan(struct work_struct *work)
* may have been removed this way.
*/
mutex_lock(&host->scan_mutex);
- spin_lock_irqsave(host->host_lock, flags);
- list_for_each_entry(sdev, &host->__devices, siblings) {
- spin_unlock_irqrestore(host->host_lock, flags);
+ shost_for_each_device(sdev, host)
scsi_test_unit_ready(sdev, 1, 1, NULL);
- spin_lock_irqsave(host->host_lock, flags);
- continue;
- }
- spin_unlock_irqrestore(host->host_lock, flags);
mutex_unlock(&host->scan_mutex);
/*
* Now scan the host to discover LUNs that may have been added.
--
2.4.3


\
 
 \ /
  Last update: 2015-07-01 12:01    [W:0.107 / U:0.396 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site