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nilfs2: separate function for creating new btree node block

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Adds a separate routine for creating a btree node block.  This is a
preparation to reduce the depth of function calls during submitting
btree node buffer.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
This commit is contained in:
Ryusuke Konishi
2009-11-13 16:04:11 +09:00
parent b34a65069c
commit d501d73689
2 changed files with 28 additions and 0 deletions
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2
fs/nilfs2/btnode.h
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@@ -40,6 +40,8 @@ struct nilfs_btnode_chkey_ctxt {
void nilfs_btnode_cache_init_once(struct address_space *);
void nilfs_btnode_cache_init(struct address_space *, struct backing_dev_info *);
void nilfs_btnode_cache_clear(struct address_space *);
struct buffer_head *nilfs_btnode_create_block(struct address_space *btnc,
__u64 blocknr);
int nilfs_btnode_submit_block(struct address_space *, __u64, sector_t,
struct buffer_head **, int);
int nilfs_btnode_get(struct address_space *, __u64, sector_t,