commit | 03bdb5ac58a2144dfe8cfd73347fdb9f57e2e062 | [log] [tgz] |
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author | Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> | Sun Jul 18 10:42:26 2010 +0900 |
committer | Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> | Fri Jul 23 10:02:16 2010 +0900 |
tree | 1ac37bb7c8020a2cf40ff5d8996d51725b190e8d | |
parent | 4e13e66bee2d792c1aae21797f16c181024834eb [diff] |
nilfs2: apply read-ahead for nilfs_btree_lookup_contig This applies read-ahead to nilfs_btree_do_lookup and nilfs_btree_lookup_contig functions and extends them to read ahead siblings of level 1 btree nodes that hold data blocks. At present, the read-ahead is not applied to most btree operations; only get_block() callback function, which is used during read of regular files or directories, receives the benefit. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>