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| author |   Fengnan Chang <changfengnan@vivo.com> | 2021-06-22 19:50:59 +0800 |
|---|---|---|
| committer |   Jaegeuk Kim <jaegeuk@kernel.org> | 2021-08-02 11:24:25 -0700 |
| commit | 7eab7a6968278c735b1ca6387056a408f7960265 (patch) | |
| tree | 8e3136fa77f7ab0d9afbb7f07ea775c279115e21 /tools/perf/scripts/python/stackcollapse.py | |
| parent | f2fs: don't sleep while grabing nat_tree_lock (diff) | |
| download | linux-dev-7eab7a6968278c735b1ca6387056a408f7960265.tar.xz linux-dev-7eab7a6968278c735b1ca6387056a408f7960265.zip | |
f2fs: compress: remove unneeded read when rewrite whole cluster
when we overwrite the whole page in cluster, we don't need read original
data before write, because after write_end(), writepages() can help to
load left data in that cluster.
Signed-off-by: Fengnan Chang <changfengnan@vivo.com>
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Acked-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
0 files changed, 0 insertions, 0 deletions