[SCSI] fusion: convert semaphores to mutexes

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

diff --git a/drivers/message/fusion/mptbase.h b/drivers/message/fusion/mptbase.h
index af9007d..74355f2 100644 (file)
--- a/drivers/message/fusion/mptbase.h
+++ b/drivers/message/fusion/mptbase.h
@@ -413,7 +413,7 @@ typedef struct _MPT_IOCTL {
        u8                       status;        /* current command status */
        u8                       reset;         /* 1 if bus reset allowed */
        u8                       target;        /* target for reset */
-       struct semaphore         sem_ioc;
+       struct mutex             ioctl_mutex;
 } MPT_IOCTL;
 
 #define MPT_SAS_MGMT_STATUS_RF_VALID   0x02    /* The Reply Frame is VALID */
@@ -421,7 +421,7 @@ typedef struct _MPT_IOCTL {
 #define MPT_SAS_MGMT_STATUS_TM_FAILED  0x40    /* User TM request failed */
 
 typedef struct _MPT_SAS_MGMT {
-       struct semaphore         mutex;
+       struct mutex             mutex;
        struct completion        done;
        u8                       reply[MPT_DEFAULT_FRAME_SIZE]; /* reply frame data */
        u8                       status;        /* current command status */

diff --git a/drivers/message/fusion/mptctl.c b/drivers/message/fusion/mptctl.c
index 7c34024..bdf7099 100644 (file)
--- a/drivers/message/fusion/mptctl.c
+++ b/drivers/message/fusion/mptctl.c
@@ -177,10 +177,10 @@ mptctl_syscall_down(MPT_ADAPTER *ioc, int nonblock)
        dctlprintk((KERN_INFO MYNAM "::mptctl_syscall_down(%p,%d) called\n", ioc, nonblock));
 
        if (nonblock) {
-               if (down_trylock(&ioc->ioctl->sem_ioc))
+               if (!mutex_trylock(&ioc->ioctl->ioctl_mutex))
                        rc = -EAGAIN;
        } else {
-               if (down_interruptible(&ioc->ioctl->sem_ioc))
+               if (mutex_lock_interruptible(&ioc->ioctl->ioctl_mutex))
                        rc = -ERESTARTSYS;
        }
        dctlprintk((KERN_INFO MYNAM "::mptctl_syscall_down return %d\n", rc));
@@ -557,7 +557,7 @@ __mptctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
        else
                ret = -EINVAL;
 
-       up(&iocp->ioctl->sem_ioc);
+       mutex_unlock(&iocp->ioctl->ioctl_mutex);
 
        return ret;
 }
@@ -2619,7 +2619,7 @@ compat_mptfwxfer_ioctl(struct file *filp, unsigned int cmd,
 
        ret = mptctl_do_fw_download(kfw.iocnum, kfw.bufp, kfw.fwlen);
 
-       up(&iocp->ioctl->sem_ioc);
+       mutex_unlock(&iocp->ioctl->ioctl_mutex);
 
        return ret;
 }
@@ -2673,7 +2673,7 @@ compat_mpt_command(struct file *filp, unsigned int cmd,
         */
        ret = mptctl_do_mpt_command (karg, &uarg->MF);
 
-       up(&iocp->ioctl->sem_ioc);
+       mutex_unlock(&iocp->ioctl->ioctl_mutex);
 
        return ret;
 }
@@ -2743,7 +2743,7 @@ mptctl_probe(struct pci_dev *pdev, const struct pci_device_id *id)
        memset(mem, 0, sz);
        ioc->ioctl = (MPT_IOCTL *) mem;
        ioc->ioctl->ioc = ioc;
-       sema_init(&ioc->ioctl->sem_ioc, 1);
+       mutex_init(&ioc->ioctl->ioctl_mutex);
        return 0;
 
 out_fail:

diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c
index b2c682f..19fc03e 100644 (file)
--- a/drivers/message/fusion/mptsas.c
+++ b/drivers/message/fusion/mptsas.c
@@ -457,7 +457,7 @@ static int mptsas_phy_reset(struct sas_phy *phy, int hard_reset)
        if (phy->identify.target_port_protocols & SAS_PROTOCOL_SMP)
                return -ENXIO;
 
-       if (down_interruptible(&ioc->sas_mgmt.mutex))
+       if (mutex_lock_interruptible(&ioc->sas_mgmt.mutex))
                goto out;
 
        mf = mpt_get_msg_frame(mptsasMgmtCtx, ioc);
@@ -508,7 +508,7 @@ static int mptsas_phy_reset(struct sas_phy *phy, int hard_reset)
        error = 0;
 
  out_unlock:
-       up(&ioc->sas_mgmt.mutex);
+       mutex_unlock(&ioc->sas_mgmt.mutex);
  out:
        return error;
 }
@@ -1477,7 +1477,7 @@ mptsas_probe(struct pci_dev *pdev, const struct pci_device_id *id)
        INIT_LIST_HEAD(&ioc->sas_topology);
        mutex_init(&ioc->sas_topology_mutex);
 
-       init_MUTEX(&ioc->sas_mgmt.mutex);
+       mutex_init(&ioc->sas_mgmt.mutex);
        init_completion(&ioc->sas_mgmt.done);
 
        /* Verify that we won't exceed the maximum