Messages in this thread | | | Date | Tue, 02 Oct 2007 14:35:49 -0400 | From | Chuck Ebbert <> | Subject | Re: [PATCH] writeback: avoid possible balance_dirty_pages() lockup on a light-load bdi |
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On 10/02/2007 09:27 AM, Fengguang Wu wrote: > On Tue, Oct 02, 2007 at 08:13:27PM +0800, Fengguang Wu wrote: > [...] >> One more serious problem is, a busy writer could also drain all the >> dirty pages and make (nr_writeback == dirty_limit+1MB). In that case, >> I suspect the light-load sdb writer still have good chance to >> make progress(need confirmation). > > Well it seems to be a really tricky issue without knowing the per-bdi > numbers. Maybe we could just encourage users to upgrade to 2.6.24... >
Yeah, and if that doesn't work there's always 2.6.25... :/
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