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Thomas Gleixner182ec4e2005-11-07 11:16:07 +00001/* $Id: jffs2_fs_i.h,v 1.19 2005/11/07 11:14:52 gleixner Exp $ */
Linus Torvalds1da177e2005-04-16 15:20:36 -07002
3#ifndef _JFFS2_FS_I
4#define _JFFS2_FS_I
5
6#include <linux/version.h>
7#include <linux/rbtree.h>
KaiGai Koheiaa98d7c2006-05-13 15:09:47 +09008#include <linux/posix_acl.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -07009#include <asm/semaphore.h>
10
11struct jffs2_inode_info {
Jes Sorensen1b1dcc12006-01-09 15:59:24 -080012 /* We need an internal mutex similar to inode->i_mutex.
Linus Torvalds1da177e2005-04-16 15:20:36 -070013 Unfortunately, we can't used the existing one, because
14 either the GC would deadlock, or we'd have to release it
15 before letting GC proceed. Or we'd have to put ugliness
Jes Sorensen1b1dcc12006-01-09 15:59:24 -080016 into the GC code so it didn't attempt to obtain the i_mutex
Linus Torvalds1da177e2005-04-16 15:20:36 -070017 for the inode(s) which are already locked */
18 struct semaphore sem;
19
20 /* The highest (datanode) version number used for this ino */
21 uint32_t highest_version;
22
23 /* List of data fragments which make up the file */
24 struct rb_root fragtree;
25
26 /* There may be one datanode which isn't referenced by any of the
27 above fragments, if it contains a metadata update but no actual
28 data - or if this is a directory inode */
Thomas Gleixner182ec4e2005-11-07 11:16:07 +000029 /* This also holds the _only_ dnode for symlinks/device nodes,
Linus Torvalds1da177e2005-04-16 15:20:36 -070030 etc. */
31 struct jffs2_full_dnode *metadata;
32
33 /* Directory entries */
34 struct jffs2_full_dirent *dents;
35
Artem B. Bityutskiy2b79adc2005-07-17 12:13:51 +010036 /* The target path if this is the inode of a symlink */
37 unsigned char *target;
38
Linus Torvalds1da177e2005-04-16 15:20:36 -070039 /* Some stuff we just have to keep in-core at all times, for each inode. */
40 struct jffs2_inode_cache *inocache;
41
42 uint16_t flags;
43 uint8_t usercompr;
44#if !defined (__ECOS)
45#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,2)
46 struct inode vfs_inode;
47#endif
48#endif
KaiGai Koheiaa98d7c2006-05-13 15:09:47 +090049#ifdef CONFIG_JFFS2_FS_POSIX_ACL
50 struct posix_acl *i_acl_access;
51 struct posix_acl *i_acl_default;
52#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070053};
54
55#endif /* _JFFS2_FS_I */