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Staging: cowloop: remove kernel version checks

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Now that the code is in the kernel tree, remove the unneeded version
checks.

Cc: "H.J. Thomassen" <hjt@ATComputing.nl>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Greg Kroah-Hartman 2009-08-25 16:26:56 -07:00
parent a3b2e09333
commit 88ff720865
1 changed files with 7 additions and 62 deletions
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69
drivers/staging/cowloop/cowloop.c
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@ -254,11 +254,7 @@ char revision[] = "$Revision: 3.1 $"; /* cowlo_init_module() has
#include <linux/stat.h>
#include <linux/vmalloc.h>
#include <linux/slab.h>
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27))
#include <linux/semaphore.h>
#else
#include <asm/semaphore.h>
#endif
#include <asm/uaccess.h>
#include <linux/proc_fs.h>
#include <linux/blkdev.h>
@ -421,15 +417,8 @@ static long int cowlo_readcow (struct cowloop_device *, void *, int, loff_t);
static long int cowlo_readcowraw (struct cowloop_device *, void *, int, loff_t);
static long int cowlo_writecow (struct cowloop_device *, void *, int, loff_t);
static long int cowlo_writecowraw(struct cowloop_device *, void *, int, loff_t);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28))
static int cowlo_ioctl (struct block_device *, fmode_t,
unsigned int, unsigned long);
#else
static int cowlo_ioctl (struct inode *, struct file *,
unsigned int, unsigned long);
#endif
static int cowlo_makepair (struct cowpair __user *);
static int cowlo_removepair (unsigned long __user *);
static int cowlo_watch (struct cowpair __user *);
@ -452,16 +441,10 @@ static void cowlo_undo_opencow(struct cowloop_device *);
** 0 - okay
** < 0 - error value
*/
static int
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28))
cowlo_open(struct block_device *bdev, fmode_t mode)
#else
cowlo_open(struct inode *inode, struct file *file)
#endif
static int cowlo_open(struct block_device *bdev, fmode_t mode)
{
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28))
struct inode *inode = bdev->bd_inode;
#endif
if (!inode)
return -EINVAL;
@ -497,20 +480,13 @@ cowlo_open(struct inode *inode, struct file *file)
** returns:
** 0 - okay
*/
static int
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28))
cowlo_release(struct gendisk *gd, fmode_t mode)
#else
cowlo_release(struct inode *inode, struct file *file)
#endif
static int cowlo_release(struct gendisk *gd, fmode_t mode)
{
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28))
struct block_device *bdev;
struct inode *inode;
bdev = bdget_disk(gd, 0);
inode = bdev->bd_inode;
#endif
if (!inode)
return 0;
@ -529,19 +505,11 @@ cowlo_release(struct inode *inode, struct file *file)
** 0 - okay
** < 0 - error value
*/
static int
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28))
cowlo_ioctl(struct block_device *bdev, fmode_t mode,
unsigned int cmd, unsigned long arg)
#else
cowlo_ioctl(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg)
#endif
static int cowlo_ioctl(struct block_device *bdev, fmode_t mode,
unsigned int cmd, unsigned long arg)
{
struct hd_geometry geo;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28))
struct inode *inode = bdev->bd_inode;
#endif
DEBUGP(DCOW "cowloop - ioctl cmd %x\n", cmd);
@ -955,12 +923,7 @@ cowlo_cowctl(unsigned long __user *arg, int cmd)
** function to be called by core-kernel to handle the I/O-requests
** in the queue
*/
static void
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,25))
cowlo_request(struct request_queue *q)
#else
cowlo_request(request_queue_t *q)
#endif
static void cowlo_request(struct request_queue *q)
{
struct request *req;
struct cowloop_device *cowdev;
@ -1549,11 +1512,7 @@ cowlo_writecow(struct cowloop_device *cowdev, void *buf, int len, loff_t offset)
(cowdev->cowwrites % SPCDFLINTVL == 0) ) {
struct kstatfs ks;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,18))
if (vfs_statfs(cowdev->cowfp->f_dentry, &ks)==0){
#else
if (vfs_statfs(cowdev->cowfp->f_dentry->d_inode->i_sb, &ks)==0){
#endif
if (ks.f_bavail <= SPCMINBLK) {
switch (ks.f_bavail) {
case 0:
@ -1860,11 +1819,7 @@ cowlo_openpair(char *rdof, char *cowf, int autorecover, int minor)
/*
** administer total and available size of filesystem holding cowfile
*/
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,18))
if (vfs_statfs(cowdev->cowfp->f_dentry, &ks)==0){
#else
if (vfs_statfs(cowdev->cowfp->f_dentry->d_inode->i_sb, &ks)==0){
#endif
if (vfs_statfs(cowdev->cowfp->f_dentry, &ks)==0) {
cowdev->blksize = ks.f_bsize;
cowdev->blktotal = ks.f_blocks;
cowdev->blkavail = ks.f_bavail;
@ -2120,13 +2075,8 @@ cowlo_openrdo(struct cowloop_device *cowdev, char *rdof)
cowdev->belowq = cowdev->belowgd->queue;
if (cowdev->numblocks == 0) {
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27))
cowdev->numblocks = get_capacity(cowdev->belowgd)
/ (MAPUNIT/512);
#else
cowdev->numblocks = cowdev->belowgd->capacity
/ (MAPUNIT/512);
#endif
}
}
@ -2869,12 +2819,7 @@ cowlo_cleanup_module(void)
for (minor=0; minor < maxcows; minor++)
(void) cowlo_closepair(cowdevall[minor]);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,23))
unregister_blkdev(COWMAJOR, DEVICE_NAME);
#else
if (unregister_blkdev(COWMAJOR, DEVICE_NAME) != 0)
printk(KERN_WARNING "cowloop - cannot unregister blkdev\n");
#endif
/*
** get rid of /proc/cow and unregister the driver