| commit | 050b4142c9f3cb3a213f254bd1a1fa1476800585 | [log] [tgz] |
|---|---|---|
| author | Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> | Thu Nov 19 22:24:48 2009 +0900 |
| committer | Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> | Fri Nov 20 10:05:51 2009 +0900 |
| tree | e9c128ab00463ca903edf15457fd76a4df7911d7 | |
| parent | f021759d74d71bacc73fc3e00d6e3d35e1f2e123 [diff] |
nilfs2: apply readahead for recovery on mount This inserts readahead in the recovery code. The readahead request is issued per segment while searching the latest super root block. This will shorten mount time after unclean unmount. A measurement shows the recovery time was reduced by more than 60 percent: e.g. real 0m11.586s -> 0m3.918s (x 2.96) Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>