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| author |   Chao Yu <chao2.yu@samsung.com> | 2014-03-22 14:57:23 +0800 |
|---|---|---|
| committer |   Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2014-04-01 18:53:41 +0900 |
| commit | df0f8dc0e154de13e3a54846f384b674dd557c85 (patch) | |
| tree | 9465da562d6136bd8a49d55b834f3713af880c5f /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | f2fs: return -EIO when node id is not matched (diff) | |
| download | linux-dev-df0f8dc0e154de13e3a54846f384b674dd557c85.tar.xz linux-dev-df0f8dc0e154de13e3a54846f384b674dd557c85.zip | |
f2fs: avoid unnecessary bio submit when wait page writeback
This patch introduce is_merged_page() to check whether current page is merged
in f2fs bio cache. When page is not in cache, we can avoid submitting bio cache,
resulting in having more chance to merge pages.
Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
0 files changed, 0 insertions, 0 deletions