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| author |   Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2013-11-21 13:54:23 +0900 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2013-12-23 10:18:02 +0900 |
| commit | 7107e0a9b131f46785b853388fb263306721a986 (patch) | |
| tree | fa3032b14ed9cf2e691e8051708b594939967f3f /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | f2fs: add a new function to support for merging contiguous read (diff) | |
| download | linux-dev-7107e0a9b131f46785b853388fb263306721a986.tar.xz linux-dev-7107e0a9b131f46785b853388fb263306721a986.zip | |
f2fs: merge read IOs at ra_nat_pages()
Change log from v1:
o add mark_page_accessed() not to reclaim the nat pages.
This patch changes the policy of submitting read bios at ra_nat_pages.
Previously, f2fs submits small read bios with block plugging.
But, with this patch, f2fs itself merges read bios first and then submits a
large bio, which can reduce the bio handling overheads.
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions