From mboxrd@z Thu Jan 1 00:00:00 1970 From: Calvin Walton Subject: Re: Do not use free space caching! Date: Thu, 31 Mar 2011 17:06:42 -0400 Message-ID: <1301605604.12638.5.camel@ayu> References: <4D939E76.1060801@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Cc: linux-btrfs@vger.kernel.org To: Josef Bacik Return-path: In-Reply-To: <4D939E76.1060801@redhat.com> List-ID: 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 result in > early ENOSPC. I'm working on fixing this bug, but it won't be until > 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 use 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 to the stable kernel series? -- Calvin Walton