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Message-ID: <20080522223957.6c079b33@core>
Date: Thu, 22 May 2008 22:39:57 +0100
From: Alan Cox <alan@...rguk.ukuu.org.uk>
To: linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] aacraid: BKL push down
The aacraid definitely needs the BKL internally right now so push the
lock take down into the driver but go no further
Signed-off-by: Alan Cox <alan@...hat.com>
diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c
index b31faec..5e6b47f 100644
--- a/drivers/scsi/3w-9xxx.c
+++ b/drivers/scsi/3w-9xxx.c
@@ -111,7 +111,7 @@ static void twa_aen_queue_event(TW_Device_Extension *tw_dev, TW_Command_Apache_H
static int twa_aen_read_queue(TW_Device_Extension *tw_dev, int request_id);
static char *twa_aen_severity_lookup(unsigned char severity_code);
static void twa_aen_sync_time(TW_Device_Extension *tw_dev, int request_id);
-static int twa_chrdev_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg);
+static long twa_chrdev_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
static int twa_chrdev_open(struct inode *inode, struct file *file);
static int twa_fill_sense(TW_Device_Extension *tw_dev, int request_id, int copy_sense, int print_host);
static void twa_free_request_id(TW_Device_Extension *tw_dev,int request_id);
@@ -202,7 +202,7 @@ static struct device_attribute *twa_host_attrs[] = {
/* File operations struct for character device */
static const struct file_operations twa_fops = {
.owner = THIS_MODULE,
- .ioctl = twa_chrdev_ioctl,
+ .unlocked_ioctl = twa_chrdev_ioctl,
.open = twa_chrdev_open,
.release = NULL
};
@@ -619,7 +619,7 @@ out:
} /* End twa_check_srl() */
/* This function handles ioctl for the character device */
-static int twa_chrdev_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
+static long twa_chrdev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
long timeout;
unsigned long *cpu_addr, data_buffer_length_adjusted = 0, flags = 0;
@@ -635,7 +635,8 @@ static int twa_chrdev_ioctl(struct inode *inode, struct file *file, unsigned int
TW_Event *event;
struct timeval current_time;
u32 current_time_ms;
- TW_Device_Extension *tw_dev = twa_device_extension_list[iminor(inode)];
+ unsigned int minor = iminor(file->f_path.dentry->d_inode);
+ TW_Device_Extension *tw_dev = twa_device_extension_list[minor];
int retval = TW_IOCTL_ERROR_OS_EFAULT;
void __user *argp = (void __user *)arg;
diff --git a/drivers/scsi/3w-xxxx.c b/drivers/scsi/3w-xxxx.c
index 8c22329..33a6a2e 100644
--- a/drivers/scsi/3w-xxxx.c
+++ b/drivers/scsi/3w-xxxx.c
@@ -874,7 +874,7 @@ static int tw_allocate_memory(TW_Device_Extension *tw_dev, int size, int which)
} /* End tw_allocate_memory() */
/* This function handles ioctl for the character device */
-static int tw_chrdev_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
+static long tw_chrdev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
int request_id;
dma_addr_t dma_handle;
@@ -886,7 +886,8 @@ static int tw_chrdev_ioctl(struct inode *inode, struct file *file, unsigned int
long timeout;
TW_New_Ioctl *tw_ioctl;
TW_Passthru *passthru;
- TW_Device_Extension *tw_dev = tw_device_extension_list[iminor(inode)];
+ unsigned int minor = iminor(file->f_path.dentry->d_inode);
+ TW_Device_Extension *tw_dev = tw_device_extension_list[minor];
int retval = -EFAULT;
void __user *argp = (void __user *)arg;
@@ -1043,7 +1044,7 @@ static int tw_chrdev_open(struct inode *inode, struct file *file)
/* File operations struct for character device */
static const struct file_operations tw_fops = {
.owner = THIS_MODULE,
- .ioctl = tw_chrdev_ioctl,
+ .unlocked_ioctl = tw_chrdev_ioctl,
.open = tw_chrdev_open,
.release = NULL
};
--
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