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26#ifndef OCFS2_INODE_H
27#define OCFS2_INODE_H
28
29#include "extent_map.h"
30
31
32struct ocfs2_inode_info
33{
34 u64 ip_blkno;
35
36 struct ocfs2_lock_res ip_rw_lockres;
37 struct ocfs2_lock_res ip_inode_lockres;
38 struct ocfs2_lock_res ip_open_lockres;
39
40
41 struct rw_semaphore ip_alloc_sem;
42
43
44 struct rw_semaphore ip_xattr_sem;
45
46
47 spinlock_t ip_lock;
48 u32 ip_open_count;
49 struct list_head ip_io_markers;
50 u32 ip_clusters;
51
52 u16 ip_dyn_features;
53 struct mutex ip_io_mutex;
54 u32 ip_flags;
55 u32 ip_attr;
56
57
58 struct list_head ip_unwritten_list;
59
60
61 struct inode *ip_next_orphan;
62
63 struct ocfs2_caching_info ip_metadata_cache;
64 struct ocfs2_extent_map ip_extent_map;
65 struct inode vfs_inode;
66 struct jbd2_inode ip_jinode;
67
68 u32 ip_dir_start_lookup;
69
70
71 u32 ip_last_used_slot;
72 u64 ip_last_used_group;
73 u32 ip_dir_lock_gen;
74
75 struct ocfs2_alloc_reservation ip_la_data_resv;
76
77
78
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80
81 tid_t i_sync_tid;
82 tid_t i_datasync_tid;
83
84 struct dquot *i_dquot[MAXQUOTAS];
85};
86
87
88
89
90
91#define OCFS2_INODE_SYSTEM_FILE 0x00000001
92#define OCFS2_INODE_JOURNAL 0x00000002
93#define OCFS2_INODE_BITMAP 0x00000004
94
95#define OCFS2_INODE_DELETED 0x00000008
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109
110#define OCFS2_INODE_MAYBE_ORPHANED 0x00000010
111
112#define OCFS2_INODE_OPEN_DIRECT 0x00000020
113
114#define OCFS2_INODE_SKIP_ORPHAN_DIR 0x00000040
115
116#define OCFS2_INODE_DIO_ORPHAN_ENTRY 0x00000080
117
118static inline struct ocfs2_inode_info *OCFS2_I(struct inode *inode)
119{
120 return container_of(inode, struct ocfs2_inode_info, vfs_inode);
121}
122
123#define INODE_JOURNAL(i) (OCFS2_I(i)->ip_flags & OCFS2_INODE_JOURNAL)
124#define SET_INODE_JOURNAL(i) (OCFS2_I(i)->ip_flags |= OCFS2_INODE_JOURNAL)
125
126extern const struct address_space_operations ocfs2_aops;
127extern const struct ocfs2_caching_operations ocfs2_inode_caching_ops;
128
129static inline struct ocfs2_caching_info *INODE_CACHE(struct inode *inode)
130{
131 return &OCFS2_I(inode)->ip_metadata_cache;
132}
133
134void ocfs2_evict_inode(struct inode *inode);
135int ocfs2_drop_inode(struct inode *inode);
136
137
138#define OCFS2_FI_FLAG_SYSFILE 0x1
139#define OCFS2_FI_FLAG_ORPHAN_RECOVERY 0x2
140#define OCFS2_FI_FLAG_FILECHECK_CHK 0x4
141#define OCFS2_FI_FLAG_FILECHECK_FIX 0x8
142
143struct inode *ocfs2_ilookup(struct super_block *sb, u64 feoff);
144struct inode *ocfs2_iget(struct ocfs2_super *osb, u64 feoff, unsigned flags,
145 int sysfile_type);
146int ocfs2_inode_revalidate(struct dentry *dentry);
147void ocfs2_populate_inode(struct inode *inode, struct ocfs2_dinode *fe,
148 int create_ino);
149void ocfs2_sync_blockdev(struct super_block *sb);
150void ocfs2_refresh_inode(struct inode *inode,
151 struct ocfs2_dinode *fe);
152int ocfs2_mark_inode_dirty(handle_t *handle,
153 struct inode *inode,
154 struct buffer_head *bh);
155
156void ocfs2_set_inode_flags(struct inode *inode);
157void ocfs2_get_inode_flags(struct ocfs2_inode_info *oi);
158
159static inline blkcnt_t ocfs2_inode_sector_count(struct inode *inode)
160{
161 int c_to_s_bits = OCFS2_SB(inode->i_sb)->s_clustersize_bits - 9;
162
163 return (blkcnt_t)OCFS2_I(inode)->ip_clusters << c_to_s_bits;
164}
165
166
167int ocfs2_validate_inode_block(struct super_block *sb,
168 struct buffer_head *bh);
169
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173
174int ocfs2_read_inode_block(struct inode *inode, struct buffer_head **bh);
175
176int ocfs2_read_inode_block_full(struct inode *inode, struct buffer_head **bh,
177 int flags);
178
179static inline struct ocfs2_inode_info *cache_info_to_inode(struct ocfs2_caching_info *ci)
180{
181 return container_of(ci, struct ocfs2_inode_info, ip_metadata_cache);
182}
183
184#endif
185
