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12 #ifndef OCFS2_UPTODATE_H
13 #define OCFS2_UPTODATE_H
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19 struct ocfs2_caching_operations {
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25 u64 (*co_owner)(struct ocfs2_caching_info *ci);
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28 struct super_block *(*co_get_super)(struct ocfs2_caching_info *ci);
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33 void (*co_cache_lock)(struct ocfs2_caching_info *ci);
34 void (*co_cache_unlock)(struct ocfs2_caching_info *ci);
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40 void (*co_io_lock)(struct ocfs2_caching_info *ci);
41 void (*co_io_unlock)(struct ocfs2_caching_info *ci);
42 };
43
44 int __init init_ocfs2_uptodate_cache(void);
45 void exit_ocfs2_uptodate_cache(void);
46
47 void ocfs2_metadata_cache_init(struct ocfs2_caching_info *ci,
48 const struct ocfs2_caching_operations *ops);
49 void ocfs2_metadata_cache_purge(struct ocfs2_caching_info *ci);
50 void ocfs2_metadata_cache_exit(struct ocfs2_caching_info *ci);
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52 u64 ocfs2_metadata_cache_owner(struct ocfs2_caching_info *ci);
53 void ocfs2_metadata_cache_io_lock(struct ocfs2_caching_info *ci);
54 void ocfs2_metadata_cache_io_unlock(struct ocfs2_caching_info *ci);
55
56 int ocfs2_buffer_uptodate(struct ocfs2_caching_info *ci,
57 struct buffer_head *bh);
58 void ocfs2_set_buffer_uptodate(struct ocfs2_caching_info *ci,
59 struct buffer_head *bh);
60 void ocfs2_set_new_buffer_uptodate(struct ocfs2_caching_info *ci,
61 struct buffer_head *bh);
62 void ocfs2_remove_from_cache(struct ocfs2_caching_info *ci,
63 struct buffer_head *bh);
64 void ocfs2_remove_xattr_clusters_from_cache(struct ocfs2_caching_info *ci,
65 sector_t block,
66 u32 c_len);
67 int ocfs2_buffer_read_ahead(struct ocfs2_caching_info *ci,
68 struct buffer_head *bh);
69
70 #endif