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Message-ID: <4C28DCA6.1060503@fusionio.com> Date: Mon, 28 Jun 2010 19:32:22 +0200 From: Jens Axboe <jaxboe@...ionio.com> To: Brian Bloniarz <bmb@...enacr.com> CC: Mark Lord <kernel@...savvy.com>, Linus Torvalds <torvalds@...ux-foundation.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Christoph Hellwig <hch@....de> Subject: Re: [GIT PULL] block/io bits for 2.6.35-rc On 28/06/10 16.05, Brian Bloniarz wrote: > On 06/28/2010 09:51 AM, Mark Lord wrote: >> On 28/06/10 03:03 AM, Jens Axboe wrote: >>> On 2010-06-28 01:10, Mark Lord wrote: >>>> On 10/06/10 12:44 PM, Brian Bloniarz wrote: >> .. >>>>> https://bugzilla.kernel.org/show_bug.cgi?id=15906 has links to the >>>>> downstream bugs. >>>> .. >>>> >>>> Jens, this bug has been biting my servers badly here for the past >>>> few months -- umount after a backup (from ext4 to ext4) takes 3-4 >>>> minutes >>>> instead of the expected 3-4 seconds. >>>> >>>> Is there a patch file for this against 2.6.34 that I (and others) >>>> could use? >>> >>> It's the patch series from Christoph in my for-linus branch, I intend >>> to push it upstream when Linus is back and taking patches. >> .. >> >> Still looking for a *patch* to fix this here. >> >> I found these two: >> >> http://git.kernel.org/?p=linux/kernel/git/axboe/linux-2.6-block.git;a=commitdiff;h=e913fc825dc685a444cb4c1d0f9d32f372f5986 >> >> http://git.kernel.org/?p=linux/kernel/git/axboe/linux-2.6-block.git;a=commitdiff;h=30fd1e551a730d942e91109762c942786be0ef7c >> >> >> But they don't apply cleanly to 2.6.34. >> >> Anyone? > > Don't use those, they have bugs and have since been reverted. > > Links to the patch series that Jens mentions are below. I doubt they > apply cleanly to older kernels. Somebody's probably going to need to > take a crack at backporting them eventually (I could try, even), but > I don't know anybody has yet. > > Christoph Hellwig (8): > writeback: fix writeback completion notifications > writeback: queue work on stack in writeback_inodes_sb > writeback: enforce s_umount locking in writeback_inodes_sb > writeback: fix writeback_inodes_wb from writeback_inodes_sb > writeback: simplify wakeup_flusher_threads > writeback: simplify and split bdi_start_writeback > writeback: add missing requeue_io in writeback_inodes_wb > writeback: fix pin_sb_for_writeback > > http://git.kernel.org/?p=linux/kernel/git/axboe/linux-2.6-block.git;a=commitdiff;h=2c99721ec6a55b2c1e7ba94945bbdae454e11308 > http://git.kernel.org/?p=linux/kernel/git/axboe/linux-2.6-block.git;a=commitdiff;h=ebf51611db2cfa33d056b4428f13275f81732fd5 > http://git.kernel.org/?p=linux/kernel/git/axboe/linux-2.6-block.git;a=commitdiff;h=de3f848fbc24f71174f3bcc7513b5a3fafb37bac > http://git.kernel.org/?p=linux/kernel/git/axboe/linux-2.6-block.git;a=commitdiff;h=e15e123275b3ca3eeb378136046ab78eab214169 > http://git.kernel.org/?p=linux/kernel/git/axboe/linux-2.6-block.git;a=commitdiff;h=dcac2e708d8f8af1a220dd238027af5b4aedfc12 > http://git.kernel.org/?p=linux/kernel/git/axboe/linux-2.6-block.git;a=commitdiff;h=8163b53a6bfbfa14ae83f8cdbf536f9c191d3279 > http://git.kernel.org/?p=linux/kernel/git/axboe/linux-2.6-block.git;a=commitdiff;h=22e53a2ca88690c711a954d3c652b468a5e94272 > http://git.kernel.org/?p=linux/kernel/git/axboe/linux-2.6-block.git;a=commitdiff;h=7eed7cc254e71352e5e2e642c70a9b04cd28cc76 Yes, that's the series. -- Jens Axboe -- 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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