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| author | Vyacheslav Dubeyko <slava@dubeyko.com> | 2012-07-30 14:42:10 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-07-30 17:25:19 -0700 |
| commit | f5974c8f8cf431baf44e7127b669e3b1960f184f (patch) | |
| tree | 93df5ca85bdb49be8dd6d2ce46e10fb1d6cc9411 /fs/nilfs2/alloc.h | |
| parent | 8c74ac0557b4cabc9017c2740c5f62b330192416 (diff) | |
| download | linux-f5974c8f8cf431baf44e7127b669e3b1960f184f.tar.bz2 | |
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/alloc.h')
| -rw-r--r-- | fs/nilfs2/alloc.h | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/fs/nilfs2/alloc.h b/fs/nilfs2/alloc.h index f5fde36b9e28..fb7238100548 100644 --- a/fs/nilfs2/alloc.h +++ b/fs/nilfs2/alloc.h @@ -76,15 +76,23 @@ int nilfs_palloc_freev(struct inode *, __u64 *, size_t); #define nilfs_clear_bit_atomic ext2_clear_bit_atomic #define nilfs_find_next_zero_bit find_next_zero_bit_le -/* - * persistent object allocator cache +/** + * struct nilfs_bh_assoc - block offset and buffer head association + * @blkoff: block offset + * @bh: buffer head */ - struct nilfs_bh_assoc { unsigned long blkoff; struct buffer_head *bh; }; +/** + * struct nilfs_palloc_cache - persistent object allocator cache + * @lock: cache protecting lock + * @prev_desc: blockgroup descriptors cache + * @prev_bitmap: blockgroup bitmap cache + * @prev_entry: translation entries cache + */ struct nilfs_palloc_cache { spinlock_t lock; struct nilfs_bh_assoc prev_desc; |