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-rw-r--r--fs/jffs2/os-linux.h38
1 files changed, 1 insertions, 37 deletions
diff --git a/fs/jffs2/os-linux.h b/fs/jffs2/os-linux.h
index 5a2d2ee4f641..7bf72e012c94 100644
--- a/fs/jffs2/os-linux.h
+++ b/fs/jffs2/os-linux.h
@@ -7,41 +7,24 @@
7 * 7 *
8 * For licensing information, see the file 'LICENCE' in this directory. 8 * For licensing information, see the file 'LICENCE' in this directory.
9 * 9 *
10 * $Id: os-linux.h,v 1.56 2005/05/03 15:19:00 dedekind Exp $ 10 * $Id: os-linux.h,v 1.57 2005/07/06 12:13:09 dwmw2 Exp $
11 * 11 *
12 */ 12 */
13 13
14#ifndef __JFFS2_OS_LINUX_H__ 14#ifndef __JFFS2_OS_LINUX_H__
15#define __JFFS2_OS_LINUX_H__ 15#define __JFFS2_OS_LINUX_H__
16#include <linux/version.h>
17 16
18/* JFFS2 uses Linux mode bits natively -- no need for conversion */ 17/* JFFS2 uses Linux mode bits natively -- no need for conversion */
19#define os_to_jffs2_mode(x) (x) 18#define os_to_jffs2_mode(x) (x)
20#define jffs2_to_os_mode(x) (x) 19#define jffs2_to_os_mode(x) (x)
21 20
22#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,73)
23#define kstatfs statfs
24#endif
25
26struct kstatfs; 21struct kstatfs;
27struct kvec; 22struct kvec;
28 23
29#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,2)
30#define JFFS2_INODE_INFO(i) (list_entry(i, struct jffs2_inode_info, vfs_inode)) 24#define JFFS2_INODE_INFO(i) (list_entry(i, struct jffs2_inode_info, vfs_inode))
31#define OFNI_EDONI_2SFFJ(f) (&(f)->vfs_inode) 25#define OFNI_EDONI_2SFFJ(f) (&(f)->vfs_inode)
32#define JFFS2_SB_INFO(sb) (sb->s_fs_info) 26#define JFFS2_SB_INFO(sb) (sb->s_fs_info)
33#define OFNI_BS_2SFFJ(c) ((struct super_block *)c->os_priv) 27#define OFNI_BS_2SFFJ(c) ((struct super_block *)c->os_priv)
34#elif defined(JFFS2_OUT_OF_KERNEL)
35#define JFFS2_INODE_INFO(i) ((struct jffs2_inode_info *) &(i)->u)
36#define OFNI_EDONI_2SFFJ(f) ((struct inode *) ( ((char *)f) - ((char *)(&((struct inode *)NULL)->u)) ) )
37#define JFFS2_SB_INFO(sb) ((struct jffs2_sb_info *) &(sb)->u)
38#define OFNI_BS_2SFFJ(c) ((struct super_block *) ( ((char *)c) - ((char *)(&((struct super_block *)NULL)->u)) ) )
39#else
40#define JFFS2_INODE_INFO(i) (&i->u.jffs2_i)
41#define OFNI_EDONI_2SFFJ(f) ((struct inode *) ( ((char *)f) - ((char *)(&((struct inode *)NULL)->u)) ) )
42#define JFFS2_SB_INFO(sb) (&sb->u.jffs2_sb)
43#define OFNI_BS_2SFFJ(c) ((struct super_block *) ( ((char *)c) - ((char *)(&((struct super_block *)NULL)->u)) ) )
44#endif
45 28
46 29
47#define JFFS2_F_I_SIZE(f) (OFNI_EDONI_2SFFJ(f)->i_size) 30#define JFFS2_F_I_SIZE(f) (OFNI_EDONI_2SFFJ(f)->i_size)
@@ -49,28 +32,14 @@ struct kvec;
49#define JFFS2_F_I_UID(f) (OFNI_EDONI_2SFFJ(f)->i_uid) 32#define JFFS2_F_I_UID(f) (OFNI_EDONI_2SFFJ(f)->i_uid)
50#define JFFS2_F_I_GID(f) (OFNI_EDONI_2SFFJ(f)->i_gid) 33#define JFFS2_F_I_GID(f) (OFNI_EDONI_2SFFJ(f)->i_gid)
51 34
52#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,1)
53#define JFFS2_F_I_RDEV_MIN(f) (iminor(OFNI_EDONI_2SFFJ(f))) 35#define JFFS2_F_I_RDEV_MIN(f) (iminor(OFNI_EDONI_2SFFJ(f)))
54#define JFFS2_F_I_RDEV_MAJ(f) (imajor(OFNI_EDONI_2SFFJ(f))) 36#define JFFS2_F_I_RDEV_MAJ(f) (imajor(OFNI_EDONI_2SFFJ(f)))
55#else
56#define JFFS2_F_I_RDEV_MIN(f) (MINOR(to_kdev_t(OFNI_EDONI_2SFFJ(f)->i_rdev)))
57#define JFFS2_F_I_RDEV_MAJ(f) (MAJOR(to_kdev_t(OFNI_EDONI_2SFFJ(f)->i_rdev)))
58#endif
59 37
60/* Urgh. The things we do to keep the 2.4 build working */
61#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,47)
62#define ITIME(sec) ((struct timespec){sec, 0}) 38#define ITIME(sec) ((struct timespec){sec, 0})
63#define I_SEC(tv) ((tv).tv_sec) 39#define I_SEC(tv) ((tv).tv_sec)
64#define JFFS2_F_I_CTIME(f) (OFNI_EDONI_2SFFJ(f)->i_ctime.tv_sec) 40#define JFFS2_F_I_CTIME(f) (OFNI_EDONI_2SFFJ(f)->i_ctime.tv_sec)
65#define JFFS2_F_I_MTIME(f) (OFNI_EDONI_2SFFJ(f)->i_mtime.tv_sec) 41#define JFFS2_F_I_MTIME(f) (OFNI_EDONI_2SFFJ(f)->i_mtime.tv_sec)
66#define JFFS2_F_I_ATIME(f) (OFNI_EDONI_2SFFJ(f)->i_atime.tv_sec) 42#define JFFS2_F_I_ATIME(f) (OFNI_EDONI_2SFFJ(f)->i_atime.tv_sec)
67#else
68#define ITIME(x) (x)
69#define I_SEC(x) (x)
70#define JFFS2_F_I_CTIME(f) (OFNI_EDONI_2SFFJ(f)->i_ctime)
71#define JFFS2_F_I_MTIME(f) (OFNI_EDONI_2SFFJ(f)->i_mtime)
72#define JFFS2_F_I_ATIME(f) (OFNI_EDONI_2SFFJ(f)->i_atime)
73#endif
74 43
75#define sleep_on_spinunlock(wq, s) \ 44#define sleep_on_spinunlock(wq, s) \
76 do { \ 45 do { \
@@ -84,17 +53,12 @@ struct kvec;
84 53
85static inline void jffs2_init_inode_info(struct jffs2_inode_info *f) 54static inline void jffs2_init_inode_info(struct jffs2_inode_info *f)
86{ 55{
87#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,2)
88 f->highest_version = 0; 56 f->highest_version = 0;
89 f->fragtree = RB_ROOT; 57 f->fragtree = RB_ROOT;
90 f->metadata = NULL; 58 f->metadata = NULL;
91 f->dents = NULL; 59 f->dents = NULL;
92 f->flags = 0; 60 f->flags = 0;
93 f->usercompr = 0; 61 f->usercompr = 0;
94#else
95 memset(f, 0, sizeof(*f));
96 init_MUTEX_LOCKED(&f->sem);
97#endif
98} 62}
99 63
100 64