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-rw-r--r--drivers/staging/cowloop/cowloop.c69
1 files changed, 7 insertions, 62 deletions
diff --git a/drivers/staging/cowloop/cowloop.c b/drivers/staging/cowloop/cowloop.c
index c43654bc83c..a71c743a119 100644
--- a/drivers/staging/cowloop/cowloop.c
+++ b/drivers/staging/cowloop/cowloop.c
@@ -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
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-25 05:51:56 +0000