Date: Tue, 3 Jan 2012 03:35:35 -0800 (PST) From: Don Lewis <truckman@FreeBSD.org> To: kostikbel@gmail.com Cc: attilio@FreeBSD.org, flo@FreeBSD.org, current@FreeBSD.org, mckusick@mckusick.com, phk@phk.freebsd.dk, seanbru@yahoo-inc.com Subject: Re: dogfooding over in clusteradm land Message-ID: <201201031135.q03BZZ4I007532@gw.catspoiler.org> In-Reply-To: <20120103111618.GP50300@deviant.kiev.zoral.com.ua>
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On 3 Jan, Kostik Belousov wrote: >> With your change above, the code will skip the busy page after sleeping >> if it is running in async mode. It won't make another attempt to write >> this page because it no longer attempts to rescan. > Why would it skip it ? Please note the call to vm_page_find_least() > with the pindex of the busy page right after the check for > generation. If a page with the pindex is still present in the object, > vm_page_find_least() should return it, and vm_object_page_clean() should > make another attempt at processing it. > > Am I missing something ? Nope, I was missing something ...
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