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1da177e4 LT |
1 | #ifndef _REISER_FS_I |
2 | #define _REISER_FS_I | |
3 | ||
4 | #include <linux/list.h> | |
5 | ||
6 | struct reiserfs_journal_list; | |
7 | ||
8 | /** bitmasks for i_flags field in reiserfs-specific part of inode */ | |
9 | typedef enum { | |
10 | /** this says what format of key do all items (but stat data) of | |
11 | an object have. If this is set, that format is 3.6 otherwise | |
12 | - 3.5 */ | |
13 | i_item_key_version_mask = 0x0001, | |
14 | /** If this is unset, object has 3.5 stat data, otherwise, it has | |
15 | 3.6 stat data with 64bit size, 32bit nlink etc. */ | |
16 | i_stat_data_version_mask = 0x0002, | |
17 | /** file might need tail packing on close */ | |
18 | i_pack_on_close_mask = 0x0004, | |
19 | /** don't pack tail of file */ | |
20 | i_nopack_mask = 0x0008, | |
21 | /** If those is set, "safe link" was created for this file during | |
22 | truncate or unlink. Safe link is used to avoid leakage of disk | |
23 | space on crash with some files open, but unlinked. */ | |
24 | i_link_saved_unlink_mask = 0x0010, | |
25 | i_link_saved_truncate_mask = 0x0020, | |
26 | i_has_xattr_dir = 0x0040, | |
27 | i_data_log = 0x0080, | |
28 | } reiserfs_inode_flags; | |
29 | ||
30 | ||
31 | struct reiserfs_inode_info { | |
32 | __u32 i_key [4];/* key is still 4 32 bit integers */ | |
33 | /** transient inode flags that are never stored on disk. Bitmasks | |
34 | for this field are defined above. */ | |
35 | __u32 i_flags; | |
36 | ||
37 | __u32 i_first_direct_byte; // offset of first byte stored in direct item. | |
38 | ||
39 | /* copy of persistent inode flags read from sd_attrs. */ | |
40 | __u32 i_attrs; | |
41 | ||
42 | int i_prealloc_block; /* first unused block of a sequence of unused blocks */ | |
43 | int i_prealloc_count; /* length of that sequence */ | |
44 | struct list_head i_prealloc_list; /* per-transaction list of inodes which | |
45 | * have preallocated blocks */ | |
46 | ||
47 | unsigned new_packing_locality:1; /* new_packig_locality is created; new blocks | |
48 | * for the contents of this directory should be | |
49 | * displaced */ | |
50 | ||
51 | /* we use these for fsync or O_SYNC to decide which transaction | |
52 | ** needs to be committed in order for this inode to be properly | |
53 | ** flushed */ | |
54 | unsigned long i_trans_id ; | |
55 | struct reiserfs_journal_list *i_jl; | |
56 | ||
57 | struct posix_acl *i_acl_access; | |
58 | struct posix_acl *i_acl_default; | |
59 | struct rw_semaphore xattr_sem; | |
60 | struct inode vfs_inode; | |
61 | }; | |
62 | ||
63 | #endif |