lkml.org 
[lkml]   [2008]   [Mar]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[PATCH] Fusion MPT: convert inactive_list_mutex in a mutex
Fusion MPT driver: the semaphore inactive_list_mutex is used as a
mutex, convert it to the mutex API

Signed-off-by: Matthias Kaehlcke <matthias@kaehlcke.net>

--

diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index 0c303c8..06557f2 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -2136,7 +2136,7 @@ mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag)
/*
* Initalize link list for inactive raid volumes.
*/
- init_MUTEX(&ioc->raid_data.inactive_list_mutex);
+ mutex_init(&ioc->raid_data.inactive_list_mutex);
INIT_LIST_HEAD(&ioc->raid_data.inactive_list);

if (ioc->bus_type == SAS) {
@@ -5122,13 +5122,13 @@ mpt_inactive_raid_list_free(MPT_ADAPTER *ioc)
if (list_empty(&ioc->raid_data.inactive_list))
return;

- down(&ioc->raid_data.inactive_list_mutex);
+ mutex_lock(&ioc->raid_data.inactive_list_mutex);
list_for_each_entry_safe(component_info, pNext,
&ioc->raid_data.inactive_list, list) {
list_del(&component_info->list);
kfree(component_info);
}
- up(&ioc->raid_data.inactive_list_mutex);
+ mutex_unlock(&ioc->raid_data.inactive_list_mutex);
}

/**
@@ -5187,7 +5187,7 @@ mpt_inactive_raid_volumes(MPT_ADAPTER *ioc, u8 channel, u8 id)
if (!handle_inactive_volumes)
goto out;

- down(&ioc->raid_data.inactive_list_mutex);
+ mutex_lock(&ioc->raid_data.inactive_list_mutex);
for (i = 0; i < buffer->NumPhysDisks; i++) {
if(mpt_raid_phys_disk_pg0(ioc,
buffer->PhysDisk[i].PhysDiskNum, &phys_disk) != 0)
@@ -5207,7 +5207,7 @@ mpt_inactive_raid_volumes(MPT_ADAPTER *ioc, u8 channel, u8 id)
list_add_tail(&component_info->list,
&ioc->raid_data.inactive_list);
}
- up(&ioc->raid_data.inactive_list_mutex);
+ mutex_unlock(&ioc->raid_data.inactive_list_mutex);

out:
if (buffer)
diff --git a/drivers/message/fusion/mptbase.h b/drivers/message/fusion/mptbase.h
index caadc68..88e7a15 100644
--- a/drivers/message/fusion/mptbase.h
+++ b/drivers/message/fusion/mptbase.h
@@ -51,6 +51,7 @@

#include <linux/kernel.h>
#include <linux/pci.h>
+#include <linux/mutex.h>

#include "lsi/mpi_type.h"
#include "lsi/mpi.h" /* Fusion MPI(nterface) basic defs */
@@ -531,7 +532,7 @@ struct inactive_raid_component_info {
typedef struct _RaidCfgData {
IOCPage2_t *pIocPg2; /* table of Raid Volumes */
IOCPage3_t *pIocPg3; /* table of physical disks */
- struct semaphore inactive_list_mutex;
+ struct mutex inactive_list_mutex;
struct list_head inactive_list; /* link list for physical
disk that belong in
inactive volumes */
diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c
index af1de0c..4e70ef4 100644
--- a/drivers/message/fusion/mptscsih.c
+++ b/drivers/message/fusion/mptscsih.c
@@ -2295,14 +2295,14 @@ mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id)
if (list_empty(&ioc->raid_data.inactive_list))
goto out;

- down(&ioc->raid_data.inactive_list_mutex);
+ mutex_lock(&ioc->raid_data.inactive_list_mutex);
list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
list) {
if ((component_info->d.PhysDiskID == id) &&
(component_info->d.PhysDiskBus == channel))
rc = 1;
}
- up(&ioc->raid_data.inactive_list_mutex);
+ mutex_unlock(&ioc->raid_data.inactive_list_mutex);

out:
return rc;
@@ -2332,14 +2332,14 @@ mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id)
if (list_empty(&ioc->raid_data.inactive_list))
goto out;

- down(&ioc->raid_data.inactive_list_mutex);
+ mutex_lock(&ioc->raid_data.inactive_list_mutex);
list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
list) {
if ((component_info->d.PhysDiskID == id) &&
(component_info->d.PhysDiskBus == channel))
rc = component_info->d.PhysDiskNum;
}
- up(&ioc->raid_data.inactive_list_mutex);
+ mutex_unlock(&ioc->raid_data.inactive_list_mutex);

out:
return rc;
--
Matthias Kaehlcke
Linux System Developer
Barcelona

An ounce of practice is worth more than tons of preaching
(Mahatma Gandhi)
.''`.
using free software / Debian GNU/Linux | http://debian.org : :' :
`. `'`
gpg --keyserver pgp.mit.edu --recv-keys 47D8E5D4 `-

\
 
 \ /
  Last update: 2008-03-09 12:19    [W:1.518 / U:0.008 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site