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| author |   Ming Lei <tom.leiming@gmail.com> | 2017-03-17 00:12:31 +0800 |
|---|---|---|
| committer |   Shaohua Li <shli@fb.com> | 2017-03-24 10:41:37 -0700 |
| commit | 841c1316c7da6199a7df473893c141943991a756 (patch) | |
| tree | 77bd223263ff1bc03d860f16b4ba4f60571e62b7 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | md: raid1: move 'offset' out of loop (diff) | |
| download | linux-dev-841c1316c7da6199a7df473893c141943991a756.tar.xz linux-dev-841c1316c7da6199a7df473893c141943991a756.zip | |
md: raid1: improve write behind
This patch improve handling of write behind in the following ways:
- introduce behind master bio to hold all write behind pages
- fast clone bios from behind master bio
- avoid to change bvec table directly
- use bio_copy_data() and make code more clean
Suggested-by: Shaohua Li <shli@fb.com>
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Shaohua Li <shli@fb.com>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions