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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 | i_ever_mapped = 0x0100 |
29 | } reiserfs_inode_flags; |
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 int i_trans_id; |
55 | struct reiserfs_journal_list *i_jl; |
56 | struct mutex i_mmap; |
57 | #ifdef CONFIG_REISERFS_FS_XATTR |
58 | struct rw_semaphore i_xattr_sem; |
59 | #endif |
60 | struct inode vfs_inode; |
61 | }; |
62 | |
63 | #endif |
64 |
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od-2011-09-04
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v2.6.34-rc5
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v3.9