IO-less dirty throttling v7
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- v1 Latest12 patches 16 repliesIn review
Patches in v1 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/12 | writeback: account per-bdi accumulated written pagesinclude/ mm/ mm/ | +6 | 0 replies | |
| 2/12 | writeback: account per-bdi accumulated dirtied pagesinclude/ mm/ mm/ | +4 | 0 replies | |
| 3/12 | writeback: bdi write bandwidth estimationfs/ include/ include/ +2 more | +110 | 0 replies | |
| 4/12 | writeback: smoothed global/bdi dirty pagesinclude/ mm/ mm/ | +71 | 0 replies | |
| 5/12 | writeback: smoothed dirty threshold and limitinclude/ include/ mm/ +1 more | +86 | 0 replies | |
| 6/12 | writeback: enforce 1/4 gap between the dirty/background thresholdsmm/ | +8 | 0 replies | |
| 7/12 | writeback: base throttle bandwidth and position ratioinclude/ mm/ mm/ | +423 | 0 replies | |
| 8/12 | writeback: IO-less balance_dirty_pages()include/ include/ mm/ +2 more | +175 | 0 replies | |
| 9/12 | writeback: show bdi write bandwidth in debugfsmm/ | +20 | 0 replies | |
| 10/12 | writeback: trace dirty_ratelimitinclude/ mm/ | +49 | 0 replies | |
| 11/12 | writeback: trace balance_dirty_pagesinclude/ mm/ | +100 | 0 replies | |
| 12/12 | writeback: trace global_dirty_stateinclude/ mm/ | +49 | 0 replies |
Reviews trailers per patch
1 of 12 patches has a Reviewed-by or Acked-by.
| Patch | KOSAKI Motohiro | Sedat Dilek |
|---|---|---|
| Series | T-b | |
| 1/12 | R-b | |
| 2/12 | ||
| 3/12 | ||
| 4/12 | ||
| 5/12 | ||
| 6/12 | ||
| 7/12 | ||
| 8/12 | ||
| 9/12 | ||
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| 12/12 |
Trailers given in replies are filled; those carried in the patches from earlier versions are outlined with dashes.
Cover letter [PATCH 00/12] IO-less dirty throttling v7
Andrew,
This revision undergoes a number of simplifications, cleanups and fixes. Independent patches are separated out. The core patches (07, 08) now have easier to understand changelog. Detailed rationals can be found in patch 08.
In response to the complexity complaints, an introduction document is written explaining the rationals, algorithm and visual case studies:
http://www.kernel.org/pub/linux/kernel/people/wfg/writeback/slides/smooth-dirty-throttling.pdf
The full patchset is accessible in
git://git.kernel.org/pub/scm/linux/kernel/git/wfg/writeback.git dirty-throttling-v7
Questions, reviews and independent tests will be highly appreciated.
supporting functionalities
[PATCH 01/12] writeback: account per-bdi accumulated written pages [PATCH 02/12] writeback: account per-bdi accumulated dirtied pages [PATCH 03/12] writeback: bdi write bandwidth estimation
[PATCH 04/12] writeback: smoothed global/bdi dirty pages
[PATCH 05/12] writeback: smoothed dirty threshold and limit
[PATCH 06/12] writeback: enforce 1/4 gap between the dirty/background thresholds
core changes
[PATCH 07/12] writeback: base throttle bandwidth and position ratio [PATCH 08/12] writeback: IO-less balance_dirty_pages()
tracing
[PATCH 09/12] writeback: show bdi write bandwidth in debugfs [PATCH 10/12] writeback: trace dirty_ratelimit [PATCH 11/12] writeback: trace balance_dirty_pages [PATCH 12/12] writeback: trace global_dirty_state
fs/fs-writeback.c | 3 include/linux/backing-dev.h | 23 include/linux/sched.h | 8 include/linux/writeback.h | 49 + include/trace/events/writeback.h | 179 +++++ mm/backing-dev.c | 51 + mm/memory_hotplug.c | 3 mm/page-writeback.c | 980 +++++++++++++++++++++++------ 8 files changed, 1085 insertions(+), 211 deletions(-)
Thanks,
Fengguang
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