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Message-Id: <20070106072626.911640026@mail.ustc.edu.cn> Date: Sat, 06 Jan 2007 15:26:26 +0800 From: Fengguang Wu <wfg@...l.ustc.edu.cn> To: Andrew Morton <akpm@...l.org> Cc: linux-kernel@...r.kernel.org Subject: [PATCH 0/6] adaptive readahead update Andrew, Here're more readahead updates. They go like: --- broken-out/series 2007-01-05 13:13:19.000000000 +0800 +++ patches/series 2007-01-05 22:11:37.000000000 +0800 @@ -985,13 +985,17 @@ readahead-sysctl-parameters.patch readahead-sysctl-parameters-use-ctl_unnumbered.patch readahead-sysctl-parameters-fix.patch +readahead-sysctl-parameters-set-readahead_hit_rate-1.patch readahead-min-max-sizes.patch +readahead-min-max-sizes-remove-get_readahead_bounds.patch readahead-state-based-method-aging-accounting.patch readahead-state-based-method-routines.patch readahead-state-based-method.patch readahead-context-based-method.patch readahead-context-based-method-locking-fix.patch readahead-context-based-method-locking-fix-2.patch +readahead-context-based-method-update-ra_min.patch +readahead-context-based-method-remove-readahead_ratio.patch readahead-initial-method-guiding-sizes.patch readahead-initial-method-thrashing-guard-size.patch readahead-initial-method-user-recommended-size.patch @@ -1001,9 +1005,10 @@ readahead-call-scheme.patch readahead-call-scheme-ifdef-fix.patch readahead-call-scheme-build-fix.patch +readahead-call-scheme-remove-get_readahead_bounds.patch -readahead-laptop-mode.patch readahead-loop-case.patch readahead-nfsd-case.patch +readahead-nfsd-case-remove-ra_min.patch readahead-nfsd-case-fix.patch readahead-nfsd-case-fix-uninitialized-ra_min-ra_max.patch readahead-turn-on-by-default.patch Summary of changes ================== - change default value of readahead_hit_rate to 1 - remove defered readahead for laptop mode - remove get_readahead_bounds() and update ra_min of the context method - remove use of readahead_ratio in the context method readahead-laptop-mode.patch =========================== Please remove it for now. It defers readahead when the laptop is spinned down, which may cause unpleasant delays if the user is watching movie and the media player do not cache enough data in userland. readahead-nfsd-case-remove-ra_min.patch ======================================= Please fold it immediately to avoid a compile error when bisecting. readahead-insert-cond_resched-calls.patch readahead-remove-size-limit-on-read_ahead_kb.patch readahead-remove-size-limit-of-max_sectors_kb-on-read_ahead_kb.patch ==================================================================== It may be better to push them to mainline _before_ the other patches. They solve some issues on large readahead size. The main users are currently some laptop mode users. Regards, Fengguang Wu -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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