[JFFS2] Remove compatibilty cruft for ancient kernels

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
David Woodhouse
2005-07-06 13:13:13 +01:00
committed by Thomas Gleixner
parent 9dee7503ce
commit 265489f01d
4 changed files with 8 additions and 60 deletions

View File

@ -7,41 +7,24 @@
*
* For licensing information, see the file 'LICENCE' in this directory.
*
* $Id: os-linux.h,v 1.56 2005/05/03 15:19:00 dedekind Exp $
* $Id: os-linux.h,v 1.57 2005/07/06 12:13:09 dwmw2 Exp $
*
*/
#ifndef __JFFS2_OS_LINUX_H__
#define __JFFS2_OS_LINUX_H__
#include <linux/version.h>
/* JFFS2 uses Linux mode bits natively -- no need for conversion */
#define os_to_jffs2_mode(x) (x)
#define jffs2_to_os_mode(x) (x)
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,73)
#define kstatfs statfs
#endif
struct kstatfs;
struct kvec;
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,2)
#define JFFS2_INODE_INFO(i) (list_entry(i, struct jffs2_inode_info, vfs_inode))
#define OFNI_EDONI_2SFFJ(f) (&(f)->vfs_inode)
#define JFFS2_SB_INFO(sb) (sb->s_fs_info)
#define OFNI_BS_2SFFJ(c) ((struct super_block *)c->os_priv)
#elif defined(JFFS2_OUT_OF_KERNEL)
#define JFFS2_INODE_INFO(i) ((struct jffs2_inode_info *) &(i)->u)
#define OFNI_EDONI_2SFFJ(f) ((struct inode *) ( ((char *)f) - ((char *)(&((struct inode *)NULL)->u)) ) )
#define JFFS2_SB_INFO(sb) ((struct jffs2_sb_info *) &(sb)->u)
#define OFNI_BS_2SFFJ(c) ((struct super_block *) ( ((char *)c) - ((char *)(&((struct super_block *)NULL)->u)) ) )
#else
#define JFFS2_INODE_INFO(i) (&i->u.jffs2_i)
#define OFNI_EDONI_2SFFJ(f) ((struct inode *) ( ((char *)f) - ((char *)(&((struct inode *)NULL)->u)) ) )
#define JFFS2_SB_INFO(sb) (&sb->u.jffs2_sb)
#define OFNI_BS_2SFFJ(c) ((struct super_block *) ( ((char *)c) - ((char *)(&((struct super_block *)NULL)->u)) ) )
#endif
#define JFFS2_F_I_SIZE(f) (OFNI_EDONI_2SFFJ(f)->i_size)
@ -49,28 +32,14 @@ struct kvec;
#define JFFS2_F_I_UID(f) (OFNI_EDONI_2SFFJ(f)->i_uid)
#define JFFS2_F_I_GID(f) (OFNI_EDONI_2SFFJ(f)->i_gid)
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,1)
#define JFFS2_F_I_RDEV_MIN(f) (iminor(OFNI_EDONI_2SFFJ(f)))
#define JFFS2_F_I_RDEV_MAJ(f) (imajor(OFNI_EDONI_2SFFJ(f)))
#else
#define JFFS2_F_I_RDEV_MIN(f) (MINOR(to_kdev_t(OFNI_EDONI_2SFFJ(f)->i_rdev)))
#define JFFS2_F_I_RDEV_MAJ(f) (MAJOR(to_kdev_t(OFNI_EDONI_2SFFJ(f)->i_rdev)))
#endif
/* Urgh. The things we do to keep the 2.4 build working */
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,47)
#define ITIME(sec) ((struct timespec){sec, 0})
#define I_SEC(tv) ((tv).tv_sec)
#define JFFS2_F_I_CTIME(f) (OFNI_EDONI_2SFFJ(f)->i_ctime.tv_sec)
#define JFFS2_F_I_MTIME(f) (OFNI_EDONI_2SFFJ(f)->i_mtime.tv_sec)
#define JFFS2_F_I_ATIME(f) (OFNI_EDONI_2SFFJ(f)->i_atime.tv_sec)
#else
#define ITIME(x) (x)
#define I_SEC(x) (x)
#define JFFS2_F_I_CTIME(f) (OFNI_EDONI_2SFFJ(f)->i_ctime)
#define JFFS2_F_I_MTIME(f) (OFNI_EDONI_2SFFJ(f)->i_mtime)
#define JFFS2_F_I_ATIME(f) (OFNI_EDONI_2SFFJ(f)->i_atime)
#endif
#define sleep_on_spinunlock(wq, s) \
do { \
@ -84,17 +53,12 @@ struct kvec;
static inline void jffs2_init_inode_info(struct jffs2_inode_info *f)
{
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,2)
f->highest_version = 0;
f->fragtree = RB_ROOT;
f->metadata = NULL;
f->dents = NULL;
f->flags = 0;
f->usercompr = 0;
#else
memset(f, 0, sizeof(*f));
init_MUTEX_LOCKED(&f->sem);
#endif
}