From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konstantinos Skarlatos Subject: Re: Do not use free space caching! Date: Fri, 01 Apr 2011 16:27:19 +0300 Message-ID: <4D95D2B7.4020202@gmail.com> References: <4D939E76.1060801@redhat.com> <1301605604.12638.5.camel@ayu> <20110331225956.GC7484@dhcp231-156.rdu.redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Cc: Calvin Walton , linux-btrfs@vger.kernel.org To: Josef Bacik Return-path: In-Reply-To: <20110331225956.GC7484@dhcp231-156.rdu.redhat.com> List-ID: On 1/4/2011 1:59 =CF=80=CE=BC, Josef Bacik wrote: > On Thu, Mar 31, 2011 at 05:06:42PM -0400, Calvin Walton wrote: >> On Wed, 2011-03-30 at 17:19 -0400, Josef Bacik wrote: >>> Hello, >>> >>> Just found a big bug in the free space caching stuff that will resu= lt in >>> early ENOSPC. I'm working on fixing this bug, but it won't be unti= l >>> tomorrow that I'll have it completely working, so for now make sure= to >>> mount -o clear_cache so that it just clears the cache and doesn't u= se it. >>> >>> NOTE: It doesn't cause problems other than early ENOSPC, you won't = get >>> corruption or anything like that, tho you could possibly panic. >>> >>> Sorry for the inconvenience. Thanks, >> Any chance you could provide a little more information about which >> kernels are affected? Is it any kernel with free space cache support= (is >> 2.6.38.x included?) - and if so, do you plan on submitting the fix t= o >> the stable kernel series? >> > Yeah it affects any kernel that has the free space cache feature, whi= ch I think > started in .37. Course you have to have specifically enabled it, so = it's not a > huge problem. I've submitted a patch, but since it's currently an op= tional > feature I don't think it needs to go to stable. Thanks, So it will have to wait for 2.6.39? If possible please push it for=20 inclusion it in the next stable of 2.6.38, as 2.6.39 is a few months=20 away and i wont risk an early RC for my system Thanks > Josef > -- > To unsubscribe from this list: send the line "unsubscribe linux-btrfs= " in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" = in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html