From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Mason Subject: Re: [BUG] btrfs hangup when we run the "sync" command Date: Thu, 15 Jul 2010 12:12:13 -0400 Message-ID: <20100715161213.GG8623@think> References: <4C3E7E1B.5000002@cn.fujitsu.com> <4C3ECFBB.40006@cn.fujitsu.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: "Yan, Zheng" , Linux Btrfs To: Miao Xie Return-path: In-Reply-To: <4C3ECFBB.40006@cn.fujitsu.com> List-ID: On Thu, Jul 15, 2010 at 05:07:07PM +0800, Miao Xie wrote: > On Thu Jul 15 2010 16:14:31 GMT+0800 (CST), Yan, Zheng wrote: > >2010/7/15 Miao Xie: > >>Hi, everyone > >> > >>I found btrfs will hangup when we run the sync command on my > >>x86_64 box. > >> > >>The reproduce steps is following: > >># mkfs.btrfs -s 8192 -l 8192 -n 8192 /dev/sda1 > >># mount /dev/sda1 /mnt > >># echo 1234567> /mnt/aaa > >># sync > >>(btrfs hangs up) > >> > >>It seems that the btrfs doesn't support the sectorsize which is > >>greater than the page size just like ext2/3/4, though we can use > >>mkfs.btrfs to make a filesystem with a big sectorsize. Am I right? > >> > >>If yes, we must do more check in the mkfs.btrfs. > >> > > > >yes, btrfs doesn't support the sectorsize> PAGE_size. > > > > So we must do more check in the mkfs.btrfs to avoid misuse, and I'll > add some check of the sectorsize into the mkfs.btrfs. Yes, but this is fixed up with the raid code, we'll allow different page sizes. > > BTW, I sent some patches to the btrfs community recently, but I haven't received > any reply. Could you review them for me? though I have tested them and everything > works well. > > [PATCH 1/2] btrfs: restructure try_release_extent_buffer() > [PATCH 2/2] btrfs: fix oops when leafsize is greator than nodesize > [PATCH] btrfs-progs: fix wrong extent buffer size when reading tree block Thanks, I'll go through these. -chris