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| author | Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> | 2009-11-19 22:24:48 +0900 |
|---|---|---|
| committer | Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> | 2009-11-20 10:05:51 +0900 |
| commit | 050b4142c9f3cb3a213f254bd1a1fa1476800585 (patch) | |
| tree | e9c128ab00463ca903edf15457fd76a4df7911d7 /fs/nilfs2/super.c | |
| parent | f021759d74d71bacc73fc3e00d6e3d35e1f2e123 (diff) | |
| download | blackbird-obmc-linux-050b4142c9f3cb3a213f254bd1a1fa1476800585.tar.gz blackbird-obmc-linux-050b4142c9f3cb3a213f254bd1a1fa1476800585.zip | |
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>
Diffstat (limited to 'fs/nilfs2/super.c')
0 files changed, 0 insertions, 0 deletions
