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Adaptive readahead update

Fengguang Wu lkml 1 version New

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  1. v1 Latest0 of 14 patches 0 repliesNew

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Cover letter [PATCH 00/14] Adaptive readahead update

Andrew,

Here is one more adaptive readahead update.

It fixes:
- state based readahead
- thrashing recovery readahead
and cleanups:
- call scheme
- events/accounting
- rescue_pages()

Still in the todo list are:
- convert to Martin's statistic infrastructure
- a replacement of the stock readahead to be simple, reliable and fast

Regards,
Fengguang Wu
---

Recommended patch ordering:

series +14 -0
@@ -993,6 +993,9 @@ readahead-min-max-sizes.patch
 readahead-state-based-method-aging-accounting.patch
 readahead-state-based-method-routines.patch
 readahead-state-based-method.patch
+readahead-state-based-method-check-node-id.patch
+readahead-state-based-method-decouple-readahead_ratio-from-growth_limit.patch
+readahead-state-based-method-cancel-lookahead-gracefully.patch
 readahead-context-based-method.patch
 readahead-initial-method-guiding-sizes.patch
 readahead-initial-method-thrashing-guard-size.patch

@@ -1000,10 +1003,21 @@ readahead-initial-method-user-recommende
 readahead-initial-method.patch
 readahead-backward-prefetching-method.patch
 readahead-thrashing-recovery-method.patch
+readahead-thrashing-recovery-method-check-unbalanced-aging.patch
+readahead-thrashing-recovery-method-refill-holes.patch
 readahead-call-scheme.patch
+readahead-call-scheme-cleanup.patch
+readahead-call-scheme-catch-thrashing-on-lookahead-time.patch
 readahead-laptop-mode.patch
 readahead-loop-case.patch
 readahead-nfsd-case.patch
+readahead-remove-parameter-ra_max-from-thrashing_recovery_readahead.patch
+readahead-remove-parameter-ra_max-from-adjust_rala.patch
+readahead-state-based-method-protect-against-tiny-size.patch
+readahead-rename-state_based_readahead-to-clock_based_readahead.patch
+readahead-account-io-block-times-for-stock-readahead.patch
+readahead-rescue_pages-updates.patch
+readahead-remove-noaction-shrink-events.patch
 readahead-remove-size-limit-on-read_ahead_kb.patch
 readahead-remove-size-limit-of-max_sectors_kb-on-read_ahead_kb.patch
 readahead-partial-sendfile-fix.patch

Read the cover letter in its thread