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ide: unify conversion macros

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Introduce to_ide_drv() and ide_drv_g() macros and replace the respective
definitions of similar ones in each driver.

There should be no functionality change resulting from this patch.

Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Borislav Petkov
2008-10-13 21:39:34 +02:00
committed by Bartlomiej Zolnierkiewicz
parent 91ddc9988e
commit 5aeddf907f
4 changed files with 30 additions and 39 deletions
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23
drivers/ide/ide-tape.c
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@@ -267,11 +267,6 @@ static DEFINE_MUTEX(idetape_ref_mutex);
static struct class *idetape_sysfs_class;
#define to_ide_tape(obj) container_of(obj, struct ide_tape_obj, kref)
#define ide_tape_g(disk) \
container_of((disk)->private_data, struct ide_tape_obj, driver)
static void ide_tape_release(struct kref *);
static struct ide_tape_obj *ide_tape_get(struct gendisk *disk)
@@ -279,7 +274,7 @@ static struct ide_tape_obj *ide_tape_get(struct gendisk *disk)
struct ide_tape_obj *tape = NULL;
mutex_lock(&idetape_ref_mutex);
tape = ide_tape_g(disk);
tape = ide_drv_g(disk, ide_tape_obj);
if (tape) {
if (ide_device_get(tape->drive))
tape = NULL;
@@ -306,8 +301,6 @@ static void ide_tape_put(struct ide_tape_obj *tape)
*/
static struct ide_tape_obj *idetape_devs[MAX_HWIFS * MAX_DRIVES];
#define ide_tape_f(file) ((file)->private_data)
static struct ide_tape_obj *ide_tape_chrdev_get(unsigned int i)
{
struct ide_tape_obj *tape = NULL;
@@ -1542,7 +1535,7 @@ static int idetape_space_over_filemarks(ide_drive_t *drive, short mt_op,
static ssize_t idetape_chrdev_read(struct file *file, char __user *buf,
size_t count, loff_t *ppos)
{
struct ide_tape_obj *tape = ide_tape_f(file);
struct ide_tape_obj *tape = file->private_data;
ide_drive_t *drive = tape->drive;
ssize_t bytes_read, temp, actually_read = 0, rc;
ssize_t ret = 0;
@@ -1604,7 +1597,7 @@ finish:
static ssize_t idetape_chrdev_write(struct file *file, const char __user *buf,
size_t count, loff_t *ppos)
{
struct ide_tape_obj *tape = ide_tape_f(file);
struct ide_tape_obj *tape = file->private_data;
ide_drive_t *drive = tape->drive;
ssize_t actually_written = 0;
ssize_t ret = 0;
@@ -1836,7 +1829,7 @@ static int idetape_mtioctop(ide_drive_t *drive, short mt_op, int mt_count)
static int idetape_chrdev_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg)
{
struct ide_tape_obj *tape = ide_tape_f(file);
struct ide_tape_obj *tape = file->private_data;
ide_drive_t *drive = tape->drive;
struct mtop mtop;
struct mtget mtget;
@@ -2013,7 +2006,7 @@ static void idetape_write_release(ide_drive_t *drive, unsigned int minor)
static int idetape_chrdev_release(struct inode *inode, struct file *filp)
{
struct ide_tape_obj *tape = ide_tape_f(filp);
struct ide_tape_obj *tape = filp->private_data;
ide_drive_t *drive = tape->drive;
unsigned int minor = iminor(inode);
@@ -2272,7 +2265,7 @@ static void ide_tape_remove(ide_drive_t *drive)
static void ide_tape_release(struct kref *kref)
{
struct ide_tape_obj *tape = to_ide_tape(kref);
struct ide_tape_obj *tape = to_ide_drv(kref, ide_tape_obj);
ide_drive_t *drive = tape->drive;
struct gendisk *g = tape->disk;
@@ -2355,7 +2348,7 @@ static int idetape_open(struct inode *inode, struct file *filp)
static int idetape_release(struct inode *inode, struct file *filp)
{
struct gendisk *disk = inode->i_bdev->bd_disk;
struct ide_tape_obj *tape = ide_tape_g(disk);
struct ide_tape_obj *tape = ide_drv_g(disk, ide_tape_obj);
ide_tape_put(tape);
@@ -2366,7 +2359,7 @@ static int idetape_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg)
{
struct block_device *bdev = inode->i_bdev;
struct ide_tape_obj *tape = ide_tape_g(bdev->bd_disk);
struct ide_tape_obj *tape = ide_drv_g(bdev->bd_disk, ide_tape_obj);
ide_drive_t *drive = tape->drive;
int err = generic_ide_ioctl(drive, file, bdev, cmd, arg);
if (err == -EINVAL)