aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat
-rw-r--r--fs/efs/dir.c2
-rw-r--r--fs/efs/efs.h140
-rw-r--r--fs/efs/file.c2
-rw-r--r--fs/efs/inode.c4
-rw-r--r--fs/efs/namei.c2
-rw-r--r--fs/efs/super.c7
-rw-r--r--fs/efs/symlink.c2
-rw-r--r--include/linux/efs_dir.h42
-rw-r--r--include/linux/efs_fs.h56
-rw-r--r--include/linux/efs_fs_i.h68
10 files changed, 150 insertions, 175 deletions
diff --git a/fs/efs/dir.c b/fs/efs/dir.c
index dfb5cb400217..49308a29798a 100644
--- a/fs/efs/dir.c
+++ b/fs/efs/dir.c
@@ -5,8 +5,8 @@
5 */ 5 */
6 6
7#include <linux/buffer_head.h> 7#include <linux/buffer_head.h>
8#include <linux/efs_fs.h>
9#include <linux/smp_lock.h> 8#include <linux/smp_lock.h>
9#include "efs.h"
10 10
11static int efs_readdir(struct file *, void *, filldir_t); 11static int efs_readdir(struct file *, void *, filldir_t);
12 12
diff --git a/fs/efs/efs.h b/fs/efs/efs.h
new file mode 100644
index 000000000000..d8305b582ab0
--- /dev/null
+++ b/fs/efs/efs.h
@@ -0,0 +1,140 @@
1/*
2 * Copyright (c) 1999 Al Smith
3 *
4 * Portions derived from work (c) 1995,1996 Christian Vogelgsang.
5 * Portions derived from IRIX header files (c) 1988 Silicon Graphics
6 */
7#ifndef _EFS_EFS_H_
8#define _EFS_EFS_H_
9
10#include <linux/fs.h>
11#include <asm/uaccess.h>
12
13#define EFS_VERSION "1.0a"
14
15static const char cprt[] = "EFS: "EFS_VERSION" - (c) 1999 Al Smith <Al.Smith@aeschi.ch.eu.org>";
16
17
18/* 1 block is 512 bytes */
19#define EFS_BLOCKSIZE_BITS 9
20#define EFS_BLOCKSIZE (1 << EFS_BLOCKSIZE_BITS)
21
22typedef int32_t efs_block_t;
23typedef uint32_t efs_ino_t;
24
25#define EFS_DIRECTEXTENTS 12
26
27/*
28 * layout of an extent, in memory and on disk. 8 bytes exactly.
29 */
30typedef union extent_u {
31 unsigned char raw[8];
32 struct extent_s {
33 unsigned int ex_magic:8; /* magic # (zero) */
34 unsigned int ex_bn:24; /* basic block */
35 unsigned int ex_length:8; /* numblocks in this extent */
36 unsigned int ex_offset:24; /* logical offset into file */
37 } cooked;
38} efs_extent;
39
40typedef struct edevs {
41 __be16 odev;
42 __be32 ndev;
43} efs_devs;
44
45/*
46 * extent based filesystem inode as it appears on disk. The efs inode
47 * is exactly 128 bytes long.
48 */
49struct efs_dinode {
50 __be16 di_mode; /* mode and type of file */
51 __be16 di_nlink; /* number of links to file */
52 __be16 di_uid; /* owner's user id */
53 __be16 di_gid; /* owner's group id */
54 __be32 di_size; /* number of bytes in file */
55 __be32 di_atime; /* time last accessed */
56 __be32 di_mtime; /* time last modified */
57 __be32 di_ctime; /* time created */
58 __be32 di_gen; /* generation number */
59 __be16 di_numextents; /* # of extents */
60 u_char di_version; /* version of inode */
61 u_char di_spare; /* spare - used by AFS */
62 union di_addr {
63 efs_extent di_extents[EFS_DIRECTEXTENTS];
64 efs_devs di_dev; /* device for IFCHR/IFBLK */
65 } di_u;
66};
67
68/* efs inode storage in memory */
69struct efs_inode_info {
70 int numextents;
71 int lastextent;
72
73 efs_extent extents[EFS_DIRECTEXTENTS];
74 struct inode vfs_inode;
75};
76
77#include <linux/efs_fs_sb.h>
78
79#define EFS_DIRBSIZE_BITS EFS_BLOCKSIZE_BITS
80#define EFS_DIRBSIZE (1 << EFS_DIRBSIZE_BITS)
81
82struct efs_dentry {
83 __be32 inode;
84 unsigned char namelen;
85 char name[3];
86};
87
88#define EFS_DENTSIZE (sizeof(struct efs_dentry) - 3 + 1)
89#define EFS_MAXNAMELEN ((1 << (sizeof(char) * 8)) - 1)
90
91#define EFS_DIRBLK_HEADERSIZE 4
92#define EFS_DIRBLK_MAGIC 0xbeef /* moo */
93
94struct efs_dir {
95 __be16 magic;
96 unsigned char firstused;
97 unsigned char slots;
98
99 unsigned char space[EFS_DIRBSIZE - EFS_DIRBLK_HEADERSIZE];
100};
101
102#define EFS_MAXENTS \
103 ((EFS_DIRBSIZE - EFS_DIRBLK_HEADERSIZE) / \
104 (EFS_DENTSIZE + sizeof(char)))
105
106#define EFS_SLOTAT(dir, slot) EFS_REALOFF((dir)->space[slot])
107
108#define EFS_REALOFF(offset) ((offset << 1))
109
110
111static inline struct efs_inode_info *INODE_INFO(struct inode *inode)
112{
113 return container_of(inode, struct efs_inode_info, vfs_inode);
114}
115
116static inline struct efs_sb_info *SUPER_INFO(struct super_block *sb)
117{
118 return sb->s_fs_info;
119}
120
121struct statfs;
122struct fid;
123
124extern const struct inode_operations efs_dir_inode_operations;
125extern const struct file_operations efs_dir_operations;
126extern const struct address_space_operations efs_symlink_aops;
127
128extern struct inode *efs_iget(struct super_block *, unsigned long);
129extern efs_block_t efs_map_block(struct inode *, efs_block_t);
130extern int efs_get_block(struct inode *, sector_t, struct buffer_head *, int);
131
132extern struct dentry *efs_lookup(struct inode *, struct dentry *, struct nameidata *);
133extern struct dentry *efs_fh_to_dentry(struct super_block *sb, struct fid *fid,
134 int fh_len, int fh_type);
135extern struct dentry *efs_fh_to_parent(struct super_block *sb, struct fid *fid,
136 int fh_len, int fh_type);
137extern struct dentry *efs_get_parent(struct dentry *);
138extern int efs_bmap(struct inode *, int);
139
140#endif /* _EFS_EFS_H_ */
diff --git a/fs/efs/file.c b/fs/efs/file.c
index 5db20129681e..1ccb364ffa63 100644
--- a/fs/efs/file.c
+++ b/fs/efs/file.c
@@ -7,7 +7,7 @@
7 */ 7 */
8 8
9#include <linux/buffer_head.h> 9#include <linux/buffer_head.h>
10#include <linux/efs_fs.h> 10#include "efs.h"
11 11
12int efs_get_block(struct inode *inode, sector_t iblock, 12int efs_get_block(struct inode *inode, sector_t iblock,
13 struct buffer_head *bh_result, int create) 13 struct buffer_head *bh_result, int create)
diff --git a/fs/efs/inode.c b/fs/efs/inode.c
index 627c3026946d..79e19e5958e1 100644
--- a/fs/efs/inode.c
+++ b/fs/efs/inode.c
@@ -7,11 +7,11 @@
7 * and from work (c) 1998 Mike Shaver. 7 * and from work (c) 1998 Mike Shaver.
8 */ 8 */
9 9
10#include <linux/efs_fs.h>
11#include <linux/efs_fs_sb.h>
12#include <linux/buffer_head.h> 10#include <linux/buffer_head.h>
13#include <linux/module.h> 11#include <linux/module.h>
14#include <linux/fs.h> 12#include <linux/fs.h>
13#include "efs.h"
14#include <linux/efs_fs_sb.h>
15 15
16static int efs_readpage(struct file *file, struct page *page) 16static int efs_readpage(struct file *file, struct page *page)
17{ 17{
diff --git a/fs/efs/namei.c b/fs/efs/namei.c
index e26704742d41..3a404e7fad53 100644
--- a/fs/efs/namei.c
+++ b/fs/efs/namei.c
@@ -8,9 +8,9 @@
8 8
9#include <linux/buffer_head.h> 9#include <linux/buffer_head.h>
10#include <linux/string.h> 10#include <linux/string.h>
11#include <linux/efs_fs.h>
12#include <linux/smp_lock.h> 11#include <linux/smp_lock.h>
13#include <linux/exportfs.h> 12#include <linux/exportfs.h>
13#include "efs.h"
14 14
15 15
16static efs_ino_t efs_find_entry(struct inode *inode, const char *name, int len) { 16static efs_ino_t efs_find_entry(struct inode *inode, const char *name, int len) {
diff --git a/fs/efs/super.c b/fs/efs/super.c
index 14082405cdd1..d733531b55e2 100644
--- a/fs/efs/super.c
+++ b/fs/efs/super.c
@@ -8,14 +8,15 @@
8 8
9#include <linux/init.h> 9#include <linux/init.h>
10#include <linux/module.h> 10#include <linux/module.h>
11#include <linux/efs_fs.h>
12#include <linux/efs_vh.h>
13#include <linux/efs_fs_sb.h>
14#include <linux/exportfs.h> 11#include <linux/exportfs.h>
15#include <linux/slab.h> 12#include <linux/slab.h>
16#include <linux/buffer_head.h> 13#include <linux/buffer_head.h>
17#include <linux/vfs.h> 14#include <linux/vfs.h>
18 15
16#include "efs.h"
17#include <linux/efs_vh.h>
18#include <linux/efs_fs_sb.h>
19
19static int efs_statfs(struct dentry *dentry, struct kstatfs *buf); 20static int efs_statfs(struct dentry *dentry, struct kstatfs *buf);
20static int efs_fill_super(struct super_block *s, void *d, int silent); 21static int efs_fill_super(struct super_block *s, void *d, int silent);
21 22
diff --git a/fs/efs/symlink.c b/fs/efs/symlink.c
index 1d30d2ff440f..41911ec83aaf 100644
--- a/fs/efs/symlink.c
+++ b/fs/efs/symlink.c
@@ -7,10 +7,10 @@
7 */ 7 */
8 8
9#include <linux/string.h> 9#include <linux/string.h>
10#include <linux/efs_fs.h>
11#include <linux/pagemap.h> 10#include <linux/pagemap.h>
12#include <linux/buffer_head.h> 11#include <linux/buffer_head.h>
13#include <linux/smp_lock.h> 12#include <linux/smp_lock.h>
13#include "efs.h"
14 14
15static int efs_symlink_readpage(struct file *file, struct page *page) 15static int efs_symlink_readpage(struct file *file, struct page *page)
16{ 16{
diff --git a/include/linux/efs_dir.h b/include/linux/efs_dir.h
deleted file mode 100644
index a09ec010569c..000000000000
--- a/include/linux/efs_dir.h
+++ /dev/null
@@ -1,42 +0,0 @@
1/*
2 * efs_dir.h
3 *
4 * Copyright (c) 1999 Al Smith
5 */
6
7#ifndef __EFS_DIR_H__
8#define __EFS_DIR_H__
9
10#define EFS_DIRBSIZE_BITS EFS_BLOCKSIZE_BITS
11#define EFS_DIRBSIZE (1 << EFS_DIRBSIZE_BITS)
12
13struct efs_dentry {
14 __be32 inode;
15 unsigned char namelen;
16 char name[3];
17};
18
19#define EFS_DENTSIZE (sizeof(struct efs_dentry) - 3 + 1)
20#define EFS_MAXNAMELEN ((1 << (sizeof(char) * 8)) - 1)
21
22#define EFS_DIRBLK_HEADERSIZE 4
23#define EFS_DIRBLK_MAGIC 0xbeef /* moo */
24
25struct efs_dir {
26 __be16 magic;
27 unsigned char firstused;
28 unsigned char slots;
29
30 unsigned char space[EFS_DIRBSIZE - EFS_DIRBLK_HEADERSIZE];
31};
32
33#define EFS_MAXENTS \
34 ((EFS_DIRBSIZE - EFS_DIRBLK_HEADERSIZE) / \
35 (EFS_DENTSIZE + sizeof(char)))
36
37#define EFS_SLOTAT(dir, slot) EFS_REALOFF((dir)->space[slot])
38
39#define EFS_REALOFF(offset) ((offset << 1))
40
41#endif /* __EFS_DIR_H__ */
42
diff --git a/include/linux/efs_fs.h b/include/linux/efs_fs.h
deleted file mode 100644
index a695d63a07af..000000000000
--- a/include/linux/efs_fs.h
+++ /dev/null
@@ -1,56 +0,0 @@
1/*
2 * efs_fs.h
3 *
4 * Copyright (c) 1999 Al Smith
5 *
6 * Portions derived from work (c) 1995,1996 Christian Vogelgsang.
7 */
8
9#ifndef __EFS_FS_H__
10#define __EFS_FS_H__
11
12#define EFS_VERSION "1.0a"
13
14static const char cprt[] = "EFS: "EFS_VERSION" - (c) 1999 Al Smith <Al.Smith@aeschi.ch.eu.org>";
15
16#include <asm/uaccess.h>
17
18/* 1 block is 512 bytes */
19#define EFS_BLOCKSIZE_BITS 9
20#define EFS_BLOCKSIZE (1 << EFS_BLOCKSIZE_BITS)
21
22#include <linux/fs.h>
23#include <linux/efs_fs_i.h>
24#include <linux/efs_fs_sb.h>
25#include <linux/efs_dir.h>
26
27static inline struct efs_inode_info *INODE_INFO(struct inode *inode)
28{
29 return container_of(inode, struct efs_inode_info, vfs_inode);
30}
31
32static inline struct efs_sb_info *SUPER_INFO(struct super_block *sb)
33{
34 return sb->s_fs_info;
35}
36
37struct statfs;
38struct fid;
39
40extern const struct inode_operations efs_dir_inode_operations;
41extern const struct file_operations efs_dir_operations;
42extern const struct address_space_operations efs_symlink_aops;
43
44extern struct inode *efs_iget(struct super_block *, unsigned long);
45extern efs_block_t efs_map_block(struct inode *, efs_block_t);
46extern int efs_get_block(struct inode *, sector_t, struct buffer_head *, int);
47
48extern struct dentry *efs_lookup(struct inode *, struct dentry *, struct nameidata *);
49extern struct dentry *efs_fh_to_dentry(struct super_block *sb, struct fid *fid,
50 int fh_len, int fh_type);
51extern struct dentry *efs_fh_to_parent(struct super_block *sb, struct fid *fid,
52 int fh_len, int fh_type);
53extern struct dentry *efs_get_parent(struct dentry *);
54extern int efs_bmap(struct inode *, int);
55
56#endif /* __EFS_FS_H__ */
diff --git a/include/linux/efs_fs_i.h b/include/linux/efs_fs_i.h
deleted file mode 100644
index 617c474ca659..000000000000
--- a/include/linux/efs_fs_i.h
+++ /dev/null
@@ -1,68 +0,0 @@
1/*
2 * efs_fs_i.h
3 *
4 * Copyright (c) 1999 Al Smith
5 *
6 * Portions derived from IRIX header files (c) 1988 Silicon Graphics
7 */
8
9#ifndef __EFS_FS_I_H__
10#define __EFS_FS_I_H__
11
12typedef int32_t efs_block_t;
13typedef uint32_t efs_ino_t;
14
15#define EFS_DIRECTEXTENTS 12
16
17/*
18 * layout of an extent, in memory and on disk. 8 bytes exactly.
19 */
20typedef union extent_u {
21 unsigned char raw[8];
22 struct extent_s {
23 unsigned int ex_magic:8; /* magic # (zero) */
24 unsigned int ex_bn:24; /* basic block */
25 unsigned int ex_length:8; /* numblocks in this extent */
26 unsigned int ex_offset:24; /* logical offset into file */
27 } cooked;
28} efs_extent;
29
30typedef struct edevs {
31 __be16 odev;
32 __be32 ndev;
33} efs_devs;
34
35/*
36 * extent based filesystem inode as it appears on disk. The efs inode
37 * is exactly 128 bytes long.
38 */
39struct efs_dinode {
40 __be16 di_mode; /* mode and type of file */
41 __be16 di_nlink; /* number of links to file */
42 __be16 di_uid; /* owner's user id */
43 __be16 di_gid; /* owner's group id */
44 __be32 di_size; /* number of bytes in file */
45 __be32 di_atime; /* time last accessed */
46 __be32 di_mtime; /* time last modified */
47 __be32 di_ctime; /* time created */
48 __be32 di_gen; /* generation number */
49 __be16 di_numextents; /* # of extents */
50 u_char di_version; /* version of inode */
51 u_char di_spare; /* spare - used by AFS */
52 union di_addr {
53 efs_extent di_extents[EFS_DIRECTEXTENTS];
54 efs_devs di_dev; /* device for IFCHR/IFBLK */
55 } di_u;
56};
57
58/* efs inode storage in memory */
59struct efs_inode_info {
60 int numextents;
61 int lastextent;
62
63 efs_extent extents[EFS_DIRECTEXTENTS];
64 struct inode vfs_inode;
65};
66
67#endif /* __EFS_FS_I_H__ */
68
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-08 03:40:25 -0500