From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tao Ma Subject: Re: [LSF/MM TOPIC] Writeback - current state and future Date: Sat, 05 Feb 2011 15:55:53 +0800 Message-ID: <4D4D0289.2030900@tao.ma> References: <20110204164222.GG4104@quack.suse.cz> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Jan Kara , lsf-pc@lists.linuxfoundation.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org To: Curt Wohlgemuth Return-path: In-Reply-To: Sender: owner-linux-mm@kvack.org List-Id: linux-fsdevel.vger.kernel.org On 02/05/2011 02:06 AM, Curt Wohlgemuth wrote: > I think it would also be valuable to include a discussion of writeback > testing, so perhaps we can go beyond simply large numbers of dd > processes. > yeah, I guess a good test case is really needed here. We are trying to use the new writeback, but can't find some good test cases that t can be used. A good number is always needed when we prompt new kernel features to my employer. ;) Regards, Tao > On Fri, Feb 4, 2011 at 8:42 AM, Jan Kara wrote: > >> Hi, >> >> I'd like to have one session about writeback. The content would highly >> depend on the current state of things but on a general level, I'd like to >> quickly sum up what went into the kernel (or is mostly ready to go) since >> last LSF (handling of background writeback, livelock avoidance), what is >> being worked on - IO-less balance_dirty_pages() (if it won't be in the >> mostly done section), what other things need to be improved (kswapd >> writeout, writeback_inodes_sb_if_idle() mess, come to my mind now) >> >> Honza >> -- >> Jan Kara >> SUSE Labs, CR >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in >> the body of a message to majordomo@vger.kernel.org >> More majordomo info at http://vger.kernel.org/majordomo-info.html >> >> > -- > To unsubscribe, send a message with 'unsubscribe linux-mm' in > the body to majordomo@kvack.org. For more info on Linux MM, > see: http://www.linux-mm.org/ . > Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ > Don't email: email@kvack.org > -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org