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| author | Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> | 2010-07-18 10:42:25 +0900 |
|---|---|---|
| committer | Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> | 2010-07-23 10:02:15 +0900 |
| commit | 4e13e66bee2d792c1aae21797f16c181024834eb (patch) | |
| tree | 1fa51dade28bc025d9bda0e09dec1f202281a498 /fs/nilfs2/page.h | |
| parent | 464ece88630d0fb715ca942eabb1da825046a534 (diff) | |
| download | op-kernel-dev-4e13e66bee2d792c1aae21797f16c181024834eb.zip op-kernel-dev-4e13e66bee2d792c1aae21797f16c181024834eb.tar.gz | |
nilfs2: introduce check flag to btree node buffer
nilfs_btree_get_block() now may return untested buffer due to
read-ahead. This adds a new flag for buffer heads so that the btree
code can check whether the buffer is already verified or not.
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Diffstat (limited to 'fs/nilfs2/page.h')
| -rw-r--r-- | fs/nilfs2/page.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/nilfs2/page.h b/fs/nilfs2/page.h index 8abca4d..f53d8da 100644 --- a/fs/nilfs2/page.h +++ b/fs/nilfs2/page.h @@ -34,11 +34,13 @@ enum { BH_NILFS_Allocated = BH_PrivateStart, BH_NILFS_Node, BH_NILFS_Volatile, + BH_NILFS_Checked, }; BUFFER_FNS(NILFS_Allocated, nilfs_allocated) /* nilfs private buffers */ BUFFER_FNS(NILFS_Node, nilfs_node) /* nilfs node buffers */ BUFFER_FNS(NILFS_Volatile, nilfs_volatile) +BUFFER_FNS(NILFS_Checked, nilfs_checked) /* buffer is verified */ void nilfs_mark_buffer_dirty(struct buffer_head *bh); |
