Hi,
the scsi layer is using semaphores in a mutex way, this patch converts
these into using mutexes instead
Signed-off-by: Arjan van de Ven <arjan@xxxxxxxxxxxxx>
drivers/scsi/ch.c | 31 ++++++++++++++++---------------
drivers/scsi/dpt_i2o.c | 35 ++++++++++++++++++-----------------
drivers/scsi/hosts.c | 8 ++++----
drivers/scsi/megaraid.h | 4 ++--
drivers/scsi/megaraid/megaraid_sas.c | 7 ++++---
drivers/scsi/scsi.c | 13 +++++++------
drivers/scsi/scsi_proc.c | 11 ++++++-----
drivers/scsi/scsi_scan.c | 16 ++++++++--------
drivers/scsi/scsi_sysfs.c | 4 ++--
drivers/scsi/scsi_transport_iscsi.c | 17 +++++++++--------
drivers/scsi/sd.c | 21 +++++++++++----------
drivers/scsi/sr.c | 17 +++++++++--------
drivers/scsi/st.c | 17 +++++++++--------
include/scsi/scsi_host.h | 3 ++-
14 files changed, 107 insertions(+), 97 deletions(-)
Index: linux-2.6.15/drivers/scsi/dpt_i2o.c
===================================================================
--- linux-2.6.15.orig/drivers/scsi/dpt_i2o.c
+++ linux-2.6.15/drivers/scsi/dpt_i2o.c
@@ -61,6 +61,7 @@ MODULE_DESCRIPTION("Adaptec I2O RAID Dri
#include <linux/timer.h>
#include <linux/string.h>
#include <linux/ioport.h>
+#include <linux/mutex.h>
#include <asm/processor.h> /* for boot_cpu_data */
#include <asm/pgtable.h>
@@ -106,7 +107,7 @@ static dpt_sig_S DPTI_sig = {
*============================================================================
*/
-static DECLARE_MUTEX(adpt_configuration_lock);
+static DEFINE_MUTEX(adpt_configuration_lock);
static struct i2o_sys_tbl *sys_tbl = NULL;
static int sys_tbl_ind = 0;
@@ -537,13 +538,13 @@ static int adpt_proc_info(struct Scsi_Ho
*/
// Find HBA (host bus adapter) we are looking for
- down(&adpt_configuration_lock);
+ mutex_lock(&adpt_configuration_lock);
for (pHba = hba_chain; pHba; pHba = pHba->next) {
if (pHba->host == host) {
break; /* found adapter */
}
}
- up(&adpt_configuration_lock);
+ mutex_unlock(&adpt_configuration_lock);
if (pHba == NULL) {
return 0;
}
@@ -958,7 +959,7 @@ static int adpt_install_hba(struct scsi_
}
memset(pHba, 0, sizeof(adpt_hba));
- down(&adpt_configuration_lock);
+ mutex_lock(&adpt_configuration_lock);
if(hba_chain != NULL){
for(p = hba_chain; p->next; p = p->next);
@@ -971,7 +972,7 @@ static int adpt_install_hba(struct scsi_
sprintf(pHba->name, "dpti%d", hba_count);
hba_count++;
- up(&adpt_configuration_lock);
+ mutex_unlock(&adpt_configuration_lock);
pHba->pDev = pDev;
pHba->base_addr_phys = base_addr0_phys;
@@ -1027,7 +1028,7 @@ static void adpt_i2o_delete_hba(adpt_hba
struct adpt_device* pNext;
- down(&adpt_configuration_lock);
+ mutex_lock(&adpt_configuration_lock);
// scsi_unregister calls our adpt_release which
// does a quiese
if(pHba->host){
@@ -1046,7 +1047,7 @@ static void adpt_i2o_delete_hba(adpt_hba
}
hba_count--;
- up(&adpt_configuration_lock);
+ mutex_unlock(&adpt_configuration_lock);
iounmap(pHba->base_addr_virt);
pci_release_regions(pHba->pDev);
@@ -1549,7 +1550,7 @@ static int adpt_i2o_parse_lct(adpt_hba*
static int adpt_i2o_install_device(adpt_hba* pHba, struct i2o_device *d)
{
- down(&adpt_configuration_lock);
+ mutex_lock(&adpt_configuration_lock);
d->controller=pHba;
d->owner=NULL;
d->next=pHba->devices;
@@ -1560,7 +1561,7 @@ static int adpt_i2o_install_device(adpt_
pHba->devices=d;
*d->dev_name = 0;
- up(&adpt_configuration_lock);
+ mutex_unlock(&adpt_configuration_lock);
return 0;
}
@@ -1575,24 +1576,24 @@ static int adpt_open(struct inode *inode
if (minor >= hba_count) {
return -ENXIO;
}
- down(&adpt_configuration_lock);
+ mutex_lock(&adpt_configuration_lock);
for (pHba = hba_chain; pHba; pHba = pHba->next) {
if (pHba->unit == minor) {
break; /* found adapter */
}
}
if (pHba == NULL) {
- up(&adpt_configuration_lock);
+ mutex_unlock(&adpt_configuration_lock);
return -ENXIO;
}
// if(pHba->in_use){
- // up(&adpt_configuration_lock);
+ // mutex_unlock(&adpt_configuration_lock);
// return -EBUSY;
// }
pHba->in_use = 1;
- up(&adpt_configuration_lock);
+ mutex_unlock(&adpt_configuration_lock);
return 0;
}
@@ -1606,13 +1607,13 @@ static int adpt_close(struct inode *inod
if (minor >= hba_count) {
return -ENXIO;
}
- down(&adpt_configuration_lock);
+ mutex_lock(&adpt_configuration_lock);
for (pHba = hba_chain; pHba; pHba = pHba->next) {
if (pHba->unit == minor) {
break; /* found adapter */
}
}
- up(&adpt_configuration_lock);
+ mutex_unlock(&adpt_configuration_lock);
if (pHba == NULL) {
return -ENXIO;
}
@@ -1910,13 +1911,13 @@ static int adpt_ioctl(struct inode *inod
if (minor >= DPTI_MAX_HBA){
return -ENXIO;
}
- down(&adpt_configuration_lock);
+ mutex_lock(&adpt_configuration_lock);
for (pHba = hba_chain; pHba; pHba = pHba->next) {
if (pHba->unit == minor) {
break; /* found adapter */
}
}
- up(&adpt_configuration_lock);
+ mutex_unlock(&adpt_configuration_lock);
if(pHba == NULL){
return -ENXIO;
}
Index: linux-2.6.15/drivers/scsi/megaraid/megaraid_sas.c
===================================================================
--- linux-2.6.15.orig/drivers/scsi/megaraid/megaraid_sas.c
+++ linux-2.6.15/drivers/scsi/megaraid/megaraid_sas.c
@@ -35,6 +35,7 @@
#include <asm/uaccess.h>
#include <linux/fs.h>
#include <linux/compat.h>
+#include <linux/mutex.h>
#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>
@@ -72,7 +73,7 @@ MODULE_DEVICE_TABLE(pci, megasas_pci_tab
static int megasas_mgmt_majorno;
static struct megasas_mgmt_info megasas_mgmt_info;
static struct fasync_struct *megasas_async_queue;
-static DECLARE_MUTEX(megasas_async_queue_mutex);
+static DEFINE_MUTEX(megasas_async_queue_mutex);
/**
* megasas_get_cmd - Get a command from the free pool
@@ -2362,11 +2363,11 @@ static int megasas_mgmt_fasync(int fd, s
{
int rc;
- down(&megasas_async_queue_mutex);
+ mutex_lock(&megasas_async_queue_mutex);
rc = fasync_helper(fd, filep, mode, &megasas_async_queue);
- up(&megasas_async_queue_mutex);
+ mutex_unlock(&megasas_async_queue_mutex);
if (rc >= 0) {
/* For sanity check when we get ioctl */
Index: linux-2.6.15/drivers/scsi/scsi.c
===================================================================
--- linux-2.6.15.orig/drivers/scsi/scsi.c
+++ linux-2.6.15/drivers/scsi/scsi.c
@@ -55,6 +55,7 @@
#include <linux/interrupt.h>
#include <linux/notifier.h>
#include <linux/cpu.h>
+#include <linux/mutex.h>
#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>
@@ -209,7 +210,7 @@ static struct scsi_host_cmd_pool scsi_cm
.gfp_mask = __GFP_DMA,
};
-static DECLARE_MUTEX(host_cmd_pool_mutex);
+static DEFINE_MUTEX(host_cmd_pool_mutex);
static struct scsi_cmnd *__scsi_get_command(struct Scsi_Host *shost,
gfp_t gfp_mask)
@@ -330,7 +331,7 @@ int scsi_setup_command_freelist(struct S
* Select a command slab for this host and create it if not
* yet existant.
*/
- down(&host_cmd_pool_mutex);
+ mutex_lock(&host_cmd_pool_mutex);
pool = (shost->unchecked_isa_dma ? &scsi_cmd_dma_pool : &scsi_cmd_pool);
if (!pool->users) {
pool->slab = kmem_cache_create(pool->name,
@@ -342,7 +343,7 @@ int scsi_setup_command_freelist(struct S
pool->users++;
shost->cmd_pool = pool;
- up(&host_cmd_pool_mutex);
+ mutex_unlock(&host_cmd_pool_mutex);
/*
* Get one backup command for this host.
@@ -359,7 +360,7 @@ int scsi_setup_command_freelist(struct S
kmem_cache_destroy(pool->slab);
return -ENOMEM;
fail:
- up(&host_cmd_pool_mutex);
+ mutex_unlock(&host_cmd_pool_mutex);
return -ENOMEM;
}
@@ -381,10 +382,10 @@ void scsi_destroy_command_freelist(struc
kmem_cache_free(shost->cmd_pool->slab, cmd);
}
- down(&host_cmd_pool_mutex);
+ mutex_lock(&host_cmd_pool_mutex);
if (!--shost->cmd_pool->users)
kmem_cache_destroy(shost->cmd_pool->slab);
- up(&host_cmd_pool_mutex);
+ mutex_unlock(&host_cmd_pool_mutex);
}
#ifdef CONFIG_SCSI_LOGGING
Index: linux-2.6.15/drivers/scsi/scsi_proc.c
===================================================================
--- linux-2.6.15.orig/drivers/scsi/scsi_proc.c
+++ linux-2.6.15/drivers/scsi/scsi_proc.c
@@ -25,6 +25,7 @@
#include <linux/errno.h>
#include <linux/blkdev.h>
#include <linux/seq_file.h>
+#include <linux/mutex.h>
#include <asm/uaccess.h>
#include <scsi/scsi.h>
@@ -41,7 +42,7 @@
static struct proc_dir_entry *proc_scsi;
/* Protect sht->present and sht->proc_dir */
-static DECLARE_MUTEX(global_host_template_sem);
+static DEFINE_MUTEX(global_host_template_mutex);
static int proc_scsi_read(char *buffer, char **start, off_t offset,
int length, int *eof, void *data)
@@ -83,7 +84,7 @@ void scsi_proc_hostdir_add(struct scsi_h
if (!sht->proc_info)
return;
- down(&global_host_template_sem);
+ mutex_lock(&global_host_template_mutex);
if (!sht->present++) {
sht->proc_dir = proc_mkdir(sht->proc_name, proc_scsi);
if (!sht->proc_dir)
@@ -92,7 +93,7 @@ void scsi_proc_hostdir_add(struct scsi_h
else
sht->proc_dir->owner = sht->module;
}
- up(&global_host_template_sem);
+ mutex_unlock(&global_host_template_mutex);
}
void scsi_proc_hostdir_rm(struct scsi_host_template *sht)
@@ -100,12 +101,12 @@ void scsi_proc_hostdir_rm(struct scsi_ho
if (!sht->proc_info)
return;
- down(&global_host_template_sem);
+ mutex_lock(&global_host_template_mutex);
if (!--sht->present && sht->proc_dir) {
remove_proc_entry(sht->proc_name, proc_scsi);
sht->proc_dir = NULL;
}
- up(&global_host_template_sem);
+ mutex_unlock(&global_host_template_mutex);
}
void scsi_proc_host_add(struct Scsi_Host *shost)
Index: linux-2.6.15/drivers/scsi/scsi_transport_iscsi.c
===================================================================
--- linux-2.6.15.orig/drivers/scsi/scsi_transport_iscsi.c
+++ linux-2.6.15/drivers/scsi/scsi_transport_iscsi.c
@@ -24,6 +24,7 @@
#include <linux/string.h>
#include <linux/slab.h>
#include <linux/mempool.h>
+#include <linux/mutex.h>
#include <net/tcp.h>
#include <scsi/scsi.h>
@@ -46,7 +47,7 @@ struct iscsi_internal {
struct list_head sessions;
/*
* lock to serialize access to the sessions list which must
- * be taken after the rx_queue_sema
+ * be taken after the rx_queue_mutex
*/
spinlock_t session_lock;
/*
@@ -70,7 +71,7 @@ struct iscsi_internal {
/*
* list of registered transports and lock that must
* be held while accessing list. The iscsi_transport_lock must
- * be acquired after the rx_queue_sema.
+ * be acquired after the rx_queue_mutex.
*/
static LIST_HEAD(iscsi_transports);
static DEFINE_SPINLOCK(iscsi_transport_lock);
@@ -145,7 +146,7 @@ static DECLARE_TRANSPORT_CLASS(iscsi_con
static struct sock *nls;
static int daemon_pid;
-static DECLARE_MUTEX(rx_queue_sema);
+static DEFINE_MUTEX(rx_queue_mutex);
struct mempool_zone {
mempool_t *pool;
@@ -881,7 +882,7 @@ iscsi_if_rx(struct sock *sk, int len)
{
struct sk_buff *skb;
- down(&rx_queue_sema);
+ mutex_lock(&rx_queue_mutex);
while ((skb = skb_dequeue(&sk->sk_receive_queue)) != NULL) {
while (skb->len >= NLMSG_SPACE(0)) {
int err;
@@ -923,7 +924,7 @@ iscsi_if_rx(struct sock *sk, int len)
}
kfree_skb(skb);
}
- up(&rx_queue_sema);
+ mutex_unlock(&rx_queue_mutex);
}
/*
@@ -1159,7 +1160,7 @@ int iscsi_unregister_transport(struct is
BUG_ON(!tt);
- down(&rx_queue_sema);
+ mutex_lock(&rx_queue_mutex);
priv = iscsi_if_transport_lookup(tt);
BUG_ON (!priv);
@@ -1167,7 +1168,7 @@ int iscsi_unregister_transport(struct is
spin_lock_irqsave(&priv->session_lock, flags);
if (!list_empty(&priv->sessions)) {
spin_unlock_irqrestore(&priv->session_lock, flags);
- up(&rx_queue_sema);
+ mutex_unlock(&rx_queue_mutex);
return -EPERM;
}
spin_unlock_irqrestore(&priv->session_lock, flags);
@@ -1181,7 +1182,7 @@ int iscsi_unregister_transport(struct is
sysfs_remove_group(&priv->cdev.kobj, &iscsi_transport_group);
class_device_unregister(&priv->cdev);
- up(&rx_queue_sema);
+ mutex_unlock(&rx_queue_mutex);
return 0;
}
Index: linux-2.6.15/drivers/scsi/sd.c
===================================================================
--- linux-2.6.15.orig/drivers/scsi/sd.c
+++ linux-2.6.15/drivers/scsi/sd.c
@@ -49,6 +49,7 @@
#include <linux/blkpg.h>
#include <linux/kref.h>
#include <linux/delay.h>
+#include <linux/mutex.h>
#include <asm/uaccess.h>
#include <scsi/scsi.h>
@@ -111,7 +112,7 @@ static DEFINE_SPINLOCK(sd_index_lock);
/* This semaphore is used to mediate the 0->1 reference get in the
* face of object destruction (i.e. we can't allow a get on an
* object after last put) */
-static DECLARE_MUTEX(sd_ref_sem);
+static DEFINE_MUTEX(sd_ref_mutex);
static int sd_revalidate_disk(struct gendisk *disk);
static void sd_rw_intr(struct scsi_cmnd * SCpnt);
@@ -193,9 +194,9 @@ static struct scsi_disk *scsi_disk_get(s
{
struct scsi_disk *sdkp;
- down(&sd_ref_sem);
+ mutex_lock(&sd_ref_mutex);
sdkp = __scsi_disk_get(disk);
- up(&sd_ref_sem);
+ mutex_unlock(&sd_ref_mutex);
return sdkp;
}
@@ -203,11 +204,11 @@ static struct scsi_disk *scsi_disk_get_f
{
struct scsi_disk *sdkp;
- down(&sd_ref_sem);
+ mutex_lock(&sd_ref_mutex);
sdkp = dev_get_drvdata(dev);
if (sdkp)
sdkp = __scsi_disk_get(sdkp->disk);
- up(&sd_ref_sem);
+ mutex_unlock(&sd_ref_mutex);
return sdkp;
}
@@ -215,10 +216,10 @@ static void scsi_disk_put(struct scsi_di
{
struct scsi_device *sdev = sdkp->device;
- down(&sd_ref_sem);
+ mutex_lock(&sd_ref_mutex);
kref_put(&sdkp->kref, scsi_disk_release);
scsi_device_put(sdev);
- up(&sd_ref_sem);
+ mutex_unlock(&sd_ref_mutex);
}
/**
@@ -1635,10 +1636,10 @@ static int sd_remove(struct device *dev)
del_gendisk(sdkp->disk);
sd_shutdown(dev);
- down(&sd_ref_sem);
+ mutex_lock(&sd_ref_mutex);
dev_set_drvdata(dev, NULL);
kref_put(&sdkp->kref, scsi_disk_release);
- up(&sd_ref_sem);
+ mutex_unlock(&sd_ref_mutex);
return 0;
}
@@ -1647,7 +1648,7 @@ static int sd_remove(struct device *dev)
* scsi_disk_release - Called to free the scsi_disk structure
* @kref: pointer to embedded kref
*
- * sd_ref_sem must be held entering this routine. Because it is
+ * sd_ref_mutex must be held entering this routine. Because it is
* called on last put, you should always use the scsi_disk_get()
* scsi_disk_put() helpers which manipulate the semaphore directly
* and never do a direct kref_put().
Index: linux-2.6.15/drivers/scsi/sr.c
===================================================================
--- linux-2.6.15.orig/drivers/scsi/sr.c
+++ linux-2.6.15/drivers/scsi/sr.c
@@ -44,6 +44,7 @@
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/blkdev.h>
+#include <linux/mutex.h>
#include <asm/uaccess.h>
#include <scsi/scsi.h>
@@ -90,7 +91,7 @@ static DEFINE_SPINLOCK(sr_index_lock);
/* This semaphore is used to mediate the 0->1 reference get in the
* face of object destruction (i.e. we can't allow a get on an
* object after last put) */
-static DECLARE_MUTEX(sr_ref_sem);
+static DEFINE_MUTEX(sr_ref_mutex);
static int sr_open(struct cdrom_device_info *, int);
static void sr_release(struct cdrom_device_info *);
@@ -133,7 +134,7 @@ static inline struct scsi_cd *scsi_cd_ge
{
struct scsi_cd *cd = NULL;
- down(&sr_ref_sem);
+ mutex_lock(&sr_ref_mutex);
if (disk->private_data == NULL)
goto out;
cd = scsi_cd(disk);
@@ -146,7 +147,7 @@ static inline struct scsi_cd *scsi_cd_ge
kref_put(&cd->kref, sr_kref_release);
cd = NULL;
out:
- up(&sr_ref_sem);
+ mutex_unlock(&sr_ref_mutex);
return cd;
}
@@ -154,10 +155,10 @@ static inline void scsi_cd_put(struct sc
{
struct scsi_device *sdev = cd->device;
- down(&sr_ref_sem);
+ mutex_lock(&sr_ref_mutex);
kref_put(&cd->kref, sr_kref_release);
scsi_device_put(sdev);
- up(&sr_ref_sem);
+ mutex_unlock(&sr_ref_mutex);
}
/*
@@ -845,7 +846,7 @@ static int sr_packet(struct cdrom_device
* sr_kref_release - Called to free the scsi_cd structure
* @kref: pointer to embedded kref
*
- * sr_ref_sem must be held entering this routine. Because it is
+ * sr_ref_mutex must be held entering this routine. Because it is
* called on last put, you should always use the scsi_cd_get()
* scsi_cd_put() helpers which manipulate the semaphore directly
* and never do a direct kref_put().
@@ -874,9 +875,9 @@ static int sr_remove(struct device *dev)
del_gendisk(cd->disk);
- down(&sr_ref_sem);
+ mutex_lock(&sr_ref_mutex);
kref_put(&cd->kref, sr_kref_release);
- up(&sr_ref_sem);
+ mutex_unlock(&sr_ref_mutex);
return 0;
}
Index: linux-2.6.15/drivers/scsi/st.c
===================================================================
--- linux-2.6.15.orig/drivers/scsi/st.c
+++ linux-2.6.15/drivers/scsi/st.c
@@ -38,6 +38,7 @@ static const char *verstr = "20050830";
#include <linux/devfs_fs_kernel.h>
#include <linux/cdev.h>
#include <linux/delay.h>
+#include <linux/mutex.h>
#include <asm/uaccess.h>
#include <asm/dma.h>
@@ -220,7 +221,7 @@ static void scsi_tape_release(struct kre
#define to_scsi_tape(obj) container_of(obj, struct scsi_tape, kref)
-static DECLARE_MUTEX(st_ref_sem);
+static DEFINE_MUTEX(st_ref_mutex);
#include "osst_detect.h"
@@ -237,7 +238,7 @@ static struct scsi_tape *scsi_tape_get(i
{
struct scsi_tape *STp = NULL;
- down(&st_ref_sem);
+ mutex_lock(&st_ref_mutex);
write_lock(&st_dev_arr_lock);
if (dev < st_dev_max && scsi_tapes != NULL)
@@ -259,7 +260,7 @@ out_put:
STp = NULL;
out:
write_unlock(&st_dev_arr_lock);
- up(&st_ref_sem);
+ mutex_unlock(&st_ref_mutex);
return STp;
}
@@ -267,10 +268,10 @@ static void scsi_tape_put(struct scsi_ta
{
struct scsi_device *sdev = STp->device;
- down(&st_ref_sem);
+ mutex_lock(&st_ref_mutex);
kref_put(&STp->kref, scsi_tape_release);
scsi_device_put(sdev);
- up(&st_ref_sem);
+ mutex_unlock(&st_ref_mutex);
}
struct st_reject_data {
@@ -4141,9 +4142,9 @@ static int st_remove(struct device *dev)
}
}
- down(&st_ref_sem);
+ mutex_lock(&st_ref_mutex);
kref_put(&tpnt->kref, scsi_tape_release);
- up(&st_ref_sem);
+ mutex_unlock(&st_ref_mutex);
return 0;
}
}
@@ -4156,7 +4157,7 @@ static int st_remove(struct device *dev)
* scsi_tape_release - Called to free the Scsi_Tape structure
* @kref: pointer to embedded kref
*
- * st_ref_sem must be held entering this routine. Because it is
+ * st_ref_mutex must be held entering this routine. Because it is
* called on last put, you should always use the scsi_tape_get()
* scsi_tape_put() helpers which manipulate the semaphore directly
* and never do a direct kref_put().
Index: linux-2.6.15/drivers/scsi/hosts.c
===================================================================
--- linux-2.6.15.orig/drivers/scsi/hosts.c
+++ linux-2.6.15/drivers/scsi/hosts.c
@@ -156,16 +156,16 @@ EXPORT_SYMBOL(scsi_host_set_state);
void scsi_remove_host(struct Scsi_Host *shost)
{
unsigned long flags;
- down(&shost->scan_mutex);
+ mutex_lock(&shost->scan_mutex);
spin_lock_irqsave(shost->host_lock, flags);
if (scsi_host_set_state(shost, SHOST_CANCEL))
if (scsi_host_set_state(shost, SHOST_CANCEL_RECOVERY)) {
spin_unlock_irqrestore(shost->host_lock, flags);
- up(&shost->scan_mutex);
+ mutex_unlock(&shost->scan_mutex);
return;
}
spin_unlock_irqrestore(shost->host_lock, flags);
- up(&shost->scan_mutex);
+ mutex_unlock(&shost->scan_mutex);
scsi_forget_host(shost);
scsi_proc_host_rm(shost);
@@ -320,7 +320,7 @@ struct Scsi_Host *scsi_host_alloc(struct
INIT_LIST_HEAD(&shost->starved_list);
init_waitqueue_head(&shost->host_wait);
- init_MUTEX(&shost->scan_mutex);
+ mutex_init(&shost->scan_mutex);
shost->host_no = scsi_host_next_hn++; /* XXX(hch): still racy */
shost->dma_channel = 0xff;
Index: linux-2.6.15/drivers/scsi/scsi_scan.c
===================================================================
--- linux-2.6.15.orig/drivers/scsi/scsi_scan.c
+++ linux-2.6.15/drivers/scsi/scsi_scan.c
@@ -1289,14 +1289,14 @@ struct scsi_device *__scsi_add_device(st
return ERR_PTR(-ENOMEM);
get_device(&starget->dev);
- down(&shost->scan_mutex);
+ mutex_lock(&shost->scan_mutex);
if (scsi_host_scan_allowed(shost)) {
res = scsi_probe_and_add_lun(starget, lun, NULL, &sdev, 1,
hostdata);
if (res != SCSI_SCAN_LUN_PRESENT)
sdev = ERR_PTR(-ENODEV);
}
- up(&shost->scan_mutex);
+ mutex_unlock(&shost->scan_mutex);
scsi_target_reap(starget);
put_device(&starget->dev);
@@ -1404,10 +1404,10 @@ void scsi_scan_target(struct device *par
{
struct Scsi_Host *shost = dev_to_shost(parent);
- down(&shost->scan_mutex);
+ mutex_lock(&shost->scan_mutex);
if (scsi_host_scan_allowed(shost))
__scsi_scan_target(parent, channel, id, lun, rescan);
- up(&shost->scan_mutex);
+ mutex_unlock(&shost->scan_mutex);
}
EXPORT_SYMBOL(scsi_scan_target);
@@ -1454,7 +1454,7 @@ int scsi_scan_host_selected(struct Scsi_
((lun != SCAN_WILD_CARD) && (lun > shost->max_lun)))
return -EINVAL;
- down(&shost->scan_mutex);
+ mutex_lock(&shost->scan_mutex);
if (scsi_host_scan_allowed(shost)) {
if (channel == SCAN_WILD_CARD)
for (channel = 0; channel <= shost->max_channel;
@@ -1464,7 +1464,7 @@ int scsi_scan_host_selected(struct Scsi_
else
scsi_scan_channel(shost, channel, id, lun, rescan);
}
- up(&shost->scan_mutex);
+ mutex_unlock(&shost->scan_mutex);
return 0;
}
@@ -1522,7 +1522,7 @@ struct scsi_device *scsi_get_host_dev(st
struct scsi_device *sdev = NULL;
struct scsi_target *starget;
- down(&shost->scan_mutex);
+ mutex_lock(&shost->scan_mutex);
if (!scsi_host_scan_allowed(shost))
goto out;
starget = scsi_alloc_target(&shost->shost_gendev, 0, shost->this_id);
@@ -1536,7 +1536,7 @@ struct scsi_device *scsi_get_host_dev(st
}
put_device(&starget->dev);
out:
- up(&shost->scan_mutex);
+ mutex_unlock(&shost->scan_mutex);
return sdev;
}
EXPORT_SYMBOL(scsi_get_host_dev);
Index: linux-2.6.15/drivers/scsi/scsi_sysfs.c
===================================================================
--- linux-2.6.15.orig/drivers/scsi/scsi_sysfs.c
+++ linux-2.6.15/drivers/scsi/scsi_sysfs.c
@@ -745,9 +745,9 @@ void scsi_remove_device(struct scsi_devi
{
struct Scsi_Host *shost = sdev->host;
- down(&shost->scan_mutex);
+ mutex_lock(&shost->scan_mutex);
__scsi_remove_device(sdev);
- up(&shost->scan_mutex);
+ mutex_unlock(&shost->scan_mutex);
}
EXPORT_SYMBOL(scsi_remove_device);
Index: linux-2.6.15/include/scsi/scsi_host.h
===================================================================
--- linux-2.6.15.orig/include/scsi/scsi_host.h
+++ linux-2.6.15/include/scsi/scsi_host.h
@@ -5,6 +5,7 @@
#include <linux/list.h>
#include <linux/types.h>
#include <linux/workqueue.h>
+#include <linux/mutex.h>
struct block_device;
struct completion;
@@ -469,7 +470,7 @@ struct Scsi_Host {
spinlock_t default_lock;
spinlock_t *host_lock;
- struct semaphore scan_mutex;/* serialize scanning activity */
+ struct mutex scan_mutex;/* serialize scanning activity */
struct list_head eh_cmd_q;
struct task_struct * ehandler; /* Error recovery thread. */
Index: linux-2.6.15/drivers/scsi/ch.c
===================================================================
--- linux-2.6.15.orig/drivers/scsi/ch.c
+++ linux-2.6.15/drivers/scsi/ch.c
@@ -23,6 +23,7 @@
#include <linux/ioctl32.h>
#include <linux/compat.h>
#include <linux/chio.h> /* here are all the ioctls */
+#include <linux/mutex.h>
#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>
@@ -112,7 +113,7 @@ typedef struct {
u_int counts[CH_TYPES];
u_int unit_attention;
u_int voltags;
- struct semaphore lock;
+ struct mutex lock;
} scsi_changer;
static LIST_HEAD(ch_devlist);
@@ -566,7 +567,7 @@ static int ch_gstatus(scsi_changer *ch,
u_char data[16];
unsigned int i;
- down(&ch->lock);
+ mutex_lock(&ch->lock);
for (i = 0; i < ch->counts[type]; i++) {
if (0 != ch_read_element_status
(ch, ch->firsts[type]+i,data)) {
@@ -583,7 +584,7 @@ static int ch_gstatus(scsi_changer *ch,
if (0 != retval)
break;
}
- up(&ch->lock);
+ mutex_unlock(&ch->lock);
return retval;
}
@@ -688,11 +689,11 @@ static int ch_ioctl(struct inode * inode
dprintk("CHIOPOSITION: invalid parameter\n");
return -EBADSLT;
}
- down(&ch->lock);
+ mutex_lock(&ch->lock);
retval = ch_position(ch,0,
ch->firsts[pos.cp_type] + pos.cp_unit,
pos.cp_flags & CP_INVERT);
- up(&ch->lock);
+ mutex_unlock(&ch->lock);
return retval;
}
@@ -709,12 +710,12 @@ static int ch_ioctl(struct inode * inode
return -EBADSLT;
}
- down(&ch->lock);
+ mutex_lock(&ch->lock);
retval = ch_move(ch,0,
ch->firsts[mv.cm_fromtype] + mv.cm_fromunit,
ch->firsts[mv.cm_totype] + mv.cm_tounit,
mv.cm_flags & CM_INVERT);
- up(&ch->lock);
+ mutex_unlock(&ch->lock);
return retval;
}
@@ -732,14 +733,14 @@ static int ch_ioctl(struct inode * inode
return -EBADSLT;
}
- down(&ch->lock);
+ mutex_lock(&ch->lock);
retval = ch_exchange
(ch,0,
ch->firsts[mv.ce_srctype] + mv.ce_srcunit,
ch->firsts[mv.ce_fdsttype] + mv.ce_fdstunit,
ch->firsts[mv.ce_sdsttype] + mv.ce_sdstunit,
mv.ce_flags & CE_INVERT1, mv.ce_flags & CE_INVERT2);
- up(&ch->lock);
+ mutex_unlock(&ch->lock);
return retval;
}
@@ -773,7 +774,7 @@ static int ch_ioctl(struct inode * inode
buffer = kmalloc(512, GFP_KERNEL | GFP_DMA);
if (!buffer)
return -ENOMEM;
- down(&ch->lock);
+ mutex_lock(&ch->lock);
voltag_retry:
memset(cmd,0,sizeof(cmd));
@@ -824,7 +825,7 @@ static int ch_ioctl(struct inode * inode
goto voltag_retry;
}
kfree(buffer);
- up(&ch->lock);
+ mutex_unlock(&ch->lock);
if (copy_to_user(argp, &cge, sizeof (cge)))
return -EFAULT;
@@ -833,9 +834,9 @@ static int ch_ioctl(struct inode * inode
case CHIOINITELEM:
{
- down(&ch->lock);
+ mutex_lock(&ch->lock);
retval = ch_init_elem(ch);
- up(&ch->lock);
+ mutex_unlock(&ch->lock);
return retval;
}
@@ -852,12 +853,12 @@ static int ch_ioctl(struct inode * inode
return -EBADSLT;
}
elem = ch->firsts[csv.csv_type] + csv.csv_unit;
- down(&ch->lock);
+ mutex_lock(&ch->lock);
retval = ch_set_voltag(ch, elem,
csv.csv_flags & CSV_AVOLTAG,
csv.csv_flags & CSV_CLEARTAG,
csv.csv_voltag);
- up(&ch->lock);
+ mutex_unlock(&ch->lock);
return retval;
}
@@ -930,7 +931,7 @@ static int ch_probe(struct device *dev)
memset(ch,0,sizeof(*ch));
ch->minor = ch_devcount;
sprintf(ch->name,"ch%d",ch->minor);
- init_MUTEX(&ch->lock);
+ mutex_init(&ch->lock);
ch->device = sd;
ch_readconfig(ch);
if (init)
Index: linux-2.6.15/drivers/scsi/megaraid.h
===================================================================
--- linux-2.6.15.orig/drivers/scsi/megaraid.h
+++ linux-2.6.15/drivers/scsi/megaraid.h
@@ -2,7 +2,7 @@
#define __MEGARAID_H__
#include <linux/spinlock.h>
-
+#include <linux/mutex.h>
#define MEGARAID_VERSION \
"v2.00.3 (Release Date: Wed Feb 19 08:51:30 EST 2003)\n"
@@ -889,7 +889,7 @@ typedef struct {
scb_t int_scb;
Scsi_Cmnd int_scmd;
- struct semaphore int_mtx; /* To synchronize the internal
+ struct mutex int_mtx; /* To synchronize the internal
commands */
struct completion int_waitq; /* wait queue for internal
cmds */
Index: linux-2.6.15/drivers/scsi/megaraid.c
===================================================================
--- linux-2.6.15.orig/drivers/scsi/megaraid.c
+++ linux-2.6.15/drivers/scsi/megaraid.c
@@ -4479,7 +4479,7 @@ mega_internal_command(adapter_t *adapter
* serialized. This is so because we want to reserve maximum number of
* available command ids for the I/O commands.
*/
- down(&adapter->int_mtx);
+ mutex_lock(&adapter->int_mtx);
scb = &adapter->int_scb;
memset(scb, 0, sizeof(scb_t));
@@ -4527,7 +4527,7 @@ mega_internal_command(adapter_t *adapter
mc->cmd, mc->opcode, mc->subopcode, scmd->result);
}
- up(&adapter->int_mtx);
+ mutex_unlock(&adapter->int_mtx);
return rval;
}
@@ -4866,7 +4866,7 @@ megaraid_probe_one(struct pci_dev *pdev,
adapter->has_64bit_addr = 0;
}
- init_MUTEX(&adapter->int_mtx);
+ mutex_init(&adapter->int_mtx);
init_completion(&adapter->int_waitq);
adapter->this_id = DEFAULT_INITIATOR_ID;
Index: linux-2.6.15/drivers/scsi/iscsi_tcp.c
===================================================================
--- linux-2.6.15.orig/drivers/scsi/iscsi_tcp.c
+++ linux-2.6.15/drivers/scsi/iscsi_tcp.c
@@ -33,6 +33,7 @@
#include <linux/delay.h>
#include <linux/kfifo.h>
#include <linux/scatterlist.h>
+#include <linux/mutex.h>
#include <net/tcp.h>
#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_device.h>
@@ -2300,10 +2301,10 @@ iscsi_xmitworker(void *data)
/*
* serialize Xmit worker on a per-connection basis.
*/
- down(&conn->xmitsema);
+ mutex_lock(&conn->xmitmutex);
if (iscsi_data_xmit(conn))
schedule_work(&conn->xmitwork);
- up(&conn->xmitsema);
+ mutex_unlock(&conn->xmitmutex);
}
#define FAILURE_BAD_HOST 1
@@ -2367,11 +2368,11 @@ iscsi_queuecommand(struct scsi_cmnd *sc,
session->cmdsn, session->max_cmdsn - session->exp_cmdsn + 1);
spin_unlock(&session->lock);
- if (!in_interrupt() && !down_trylock(&conn->xmitsema)) {
+ if (!in_interrupt() && mutex_trylock(&conn->xmitmutex)) {
spin_unlock_irq(host->host_lock);
if (iscsi_data_xmit(conn))
schedule_work(&conn->xmitwork);
- up(&conn->xmitsema);
+ mutex_unlock(&conn->xmitmutex);
spin_lock_irq(host->host_lock);
} else
schedule_work(&conn->xmitwork);
@@ -2531,7 +2532,7 @@ iscsi_conn_create(iscsi_sessionh_t sessi
goto max_recv_dlenght_alloc_fail;
init_timer(&conn->tmabort_timer);
- init_MUTEX(&conn->xmitsema);
+ mutex_init(&conn->xmitmutex);
init_waitqueue_head(&conn->ehwait);
return iscsi_handle(conn);
@@ -2561,7 +2562,7 @@ iscsi_conn_destroy(iscsi_connh_t connh)
struct iscsi_conn *conn = iscsi_ptr(connh);
struct iscsi_session *session = conn->session;
- down(&conn->xmitsema);
+ mutex_lock(&conn->xmitmutex);
set_bit(SUSPEND_BIT, &conn->suspend_tx);
if (conn->c_stage == ISCSI_CONN_INITIAL_STAGE && conn->sock) {
struct sock *sk = conn->sock->sk;
@@ -2592,7 +2593,7 @@ iscsi_conn_destroy(iscsi_connh_t connh)
}
spin_unlock_bh(&session->lock);
- up(&conn->xmitsema);
+ mutex_unlock(&conn->xmitmutex);
/*
* Block until all in-progress commands for this connection
@@ -2796,7 +2797,7 @@ iscsi_conn_stop(iscsi_connh_t connh, int
set_bit(SUSPEND_BIT, &conn->suspend_rx);
write_unlock_bh(&sk->sk_callback_lock);
- down(&conn->xmitsema);
+ mutex_lock(&conn->xmitmutex);
spin_lock_irqsave(session->host->host_lock, flags);
spin_lock(&session->lock);
@@ -2878,7 +2879,7 @@ iscsi_conn_stop(iscsi_connh_t connh, int
conn->datadgst_en = 0;
}
}
- up(&conn->xmitsema);
+ mutex_unlock(&conn->xmitmutex);
}
static int
@@ -3029,12 +3030,12 @@ iscsi_eh_abort(struct scsi_cmnd *sc)
* 1) connection-level failure;
* 2) recovery due protocol error;
*/
- down(&conn->xmitsema);
+ mutex_lock(&conn->xmitmutex);
spin_lock_bh(&session->lock);
if (session->state != ISCSI_STATE_LOGGED_IN) {
if (session->state == ISCSI_STATE_TERMINATE) {
spin_unlock_bh(&session->lock);
- up(&conn->xmitsema);
+ mutex_unlock(&conn->xmitmutex);
goto failed;
}
spin_unlock_bh(&session->lock);
@@ -3052,7 +3053,7 @@ iscsi_eh_abort(struct scsi_cmnd *sc)
* 2) session was re-open during time out of ctask.
*/
spin_unlock_bh(&session->lock);
- up(&conn->xmitsema);
+ mutex_unlock(&conn->xmitmutex);
goto success;
}
conn->tmabort_state = TMABORT_INITIAL;
@@ -3107,7 +3108,7 @@ iscsi_eh_abort(struct scsi_cmnd *sc)
conn->tmabort_state == TMABORT_SUCCESS) {
conn->tmabort_state = TMABORT_INITIAL;
spin_unlock_bh(&session->lock);
- up(&conn->xmitsema);
+ mutex_unlock(&conn->xmitmutex);
goto success;
}
conn->tmabort_state = TMABORT_INITIAL;
@@ -3116,7 +3117,7 @@ iscsi_eh_abort(struct scsi_cmnd *sc)
spin_unlock_bh(&session->lock);
}
}
- up(&conn->xmitsema);
+ mutex_unlock(&conn->xmitmutex);
/*
@@ -3182,7 +3183,7 @@ failed:
exit:
del_timer_sync(&conn->tmabort_timer);
- down(&conn->xmitsema);
+ mutex_lock(&conn->xmitmutex);
if (conn->sock) {
struct sock *sk = conn->sock->sk;
@@ -3190,7 +3191,7 @@ exit:
iscsi_ctask_cleanup(conn, ctask);
write_unlock_bh(&sk->sk_callback_lock);
}
- up(&conn->xmitsema);
+ mutex_unlock(&conn->xmitmutex);
return rc;
}
@@ -3601,9 +3602,9 @@ iscsi_conn_send_pdu(iscsi_connh_t connh,
struct iscsi_conn *conn = iscsi_ptr(connh);
int rc;
- down(&conn->xmitsema);
+ mutex_lock(&conn->xmitmutex);
rc = iscsi_conn_send_generic(conn, hdr, data, data_size);
- up(&conn->xmitsema);
+ mutex_unlock(&conn->xmitmutex);
return rc;
}
Index: linux-2.6.15/drivers/scsi/iscsi_tcp.h
===================================================================
--- linux-2.6.15.orig/drivers/scsi/iscsi_tcp.h
+++ linux-2.6.15/drivers/scsi/iscsi_tcp.h
@@ -158,7 +158,7 @@ struct iscsi_conn {
struct kfifo *mgmtqueue; /* mgmt (control) xmit queue */
struct kfifo *xmitqueue; /* data-path cmd queue */
struct work_struct xmitwork; /* per-conn. xmit workqueue */
- struct semaphore xmitsema; /* serializes connection xmit,
+ struct mutex xmitmutex; /* serializes connection xmit,
* access to kfifos: *
* xmitqueue, writequeue, *
* immqueue, mgmtqueue */
-
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