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Message-ID: <9738BCBE884FDB42801FAD8A7769C26501CE4C87@NAMAIL1.ad.lsil.com>
Date: Wed, 14 Nov 2007 12:47:40 -0700
From: "Yang, Bo" <Bo.Yang@....com>
To: "Matthias Kaehlcke" <matthias.kaehlcke@...il.com>,
"DL-MegaRAID Linux" <megaraidlinux@....com>,
<linux-scsi@...r.kernel.org>
Cc: <linux-kernel@...r.kernel.org>,
"Andrew Morton" <akpm@...ux-foundation.org>
Subject: RE: [PATCH] MegaRAID SAS: Convert aen_mutex to the mutex API
ACK
Thanks.
Bo Yang
-----Original Message-----
From: Matthias Kaehlcke [mailto:matthias.kaehlcke@...il.com]
Sent: Saturday, October 27, 2007 3:49 AM
To: DL-MegaRAID Linux; linux-scsi@...r.kernel.org
Cc: linux-kernel@...r.kernel.org; Andrew Morton
Subject: [PATCH] MegaRAID SAS: Convert aen_mutex to the mutex API
MegaRAID SAS: Convert aen_mutex to the mutex API
Signed-off-by: Matthias Kaehlcke <matthias.kaehlcke@...il.com>
--
index e3c5c52..3ad379f 100644
--- a/drivers/scsi/megaraid/megaraid_sas.c
+++ b/drivers/scsi/megaraid/megaraid_sas.c
@@ -31,6 +31,7 @@
#include <linux/moduleparam.h>
#include <linux/module.h>
#include <linux/spinlock.h>
+#include <linux/mutex.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/uio.h>
@@ -2358,7 +2359,7 @@ megasas_probe_one(struct pci_dev *pdev, const
struct pci_device_id *id)
spin_lock_init(&instance->cmd_pool_lock);
- sema_init(&instance->aen_mutex, 1);
+ mutex_init(&instance->aen_mutex);
sema_init(&instance->ioctl_sem, MEGASAS_INT_CMDS);
/*
@@ -2874,10 +2875,10 @@ static int megasas_mgmt_ioctl_aen(struct file
*file, unsigned long arg)
if (!instance)
return -ENODEV;
- down(&instance->aen_mutex);
+ mutex_lock(&instance->aen_mutex);
error = megasas_register_aen(instance, aen.seq_num,
aen.class_locale_word);
- up(&instance->aen_mutex);
+ mutex_unlock(&instance->aen_mutex);
return error;
}
diff --git a/drivers/scsi/megaraid/megaraid_sas.h
b/drivers/scsi/megaraid/megaraid_sas.h
index 4dffc91..08c74c9 100644
--- a/drivers/scsi/megaraid/megaraid_sas.h
+++ b/drivers/scsi/megaraid/megaraid_sas.h
@@ -1089,7 +1089,7 @@ struct megasas_instance {
struct megasas_evt_detail *evt_detail;
dma_addr_t evt_detail_h;
struct megasas_cmd *aen_cmd;
- struct semaphore aen_mutex;
+ struct mutex aen_mutex;
struct semaphore ioctl_sem;
struct Scsi_Host *host;
--
Matthias Kaehlcke
Linux Application Developer
Barcelona
Tant qu'il y aura sur terre des hommes pour qui existe un concept
d' 'honneur national', la menace d'une nouvelle guerre subsistera.
(B. Traven)
.''`.
using free software / Debian GNU/Linux | http://debian.org : :' :
`. `'`
gpg --keyserver pgp.mit.edu --recv-keys 47D8E5D4 `-
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