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| author | Vyacheslav Dubeyko <slava@dubeyko.com> | 2012-07-31 01:42:10 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-07-31 04:25:19 +0400 |
| commit | f5974c8f8cf431baf44e7127b669e3b1960f184f (patch) | |
| tree | 93df5ca85bdb49be8dd6d2ce46e10fb1d6cc9411 /fs/nilfs2/bmap.h | |
| parent | 8c74ac0557b4cabc9017c2740c5f62b330192416 (diff) | |
| download | linux-f5974c8f8cf431baf44e7127b669e3b1960f184f.tar.xz | |
nilfs2: add omitted comments for different structures in driver implementation
Add omitted comments for different structures in driver implementation.
Signed-off-by: Vyacheslav Dubeyko <slava@dubeyko.com>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/nilfs2/bmap.h')
| -rw-r--r-- | fs/nilfs2/bmap.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/nilfs2/bmap.h b/fs/nilfs2/bmap.h index 40d9f453d31c..b89e68076adc 100644 --- a/fs/nilfs2/bmap.h +++ b/fs/nilfs2/bmap.h @@ -135,6 +135,13 @@ struct nilfs_bmap { /* state */ #define NILFS_BMAP_DIRTY 0x00000001 +/** + * struct nilfs_bmap_store - shadow copy of bmap state + * @data: cached raw block mapping of on-disk inode + * @last_allocated_key: cached value of last allocated key for data block + * @last_allocated_ptr: cached value of last allocated ptr for data block + * @state: cached value of state field of bmap structure + */ struct nilfs_bmap_store { __le64 data[NILFS_BMAP_SIZE / sizeof(__le64)]; __u64 last_allocated_key; |