From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Norbert Scheibner" Subject: Re: Freeing space over reboot question Date: Sat, 11 Feb 2012 17:42:25 +0100 Message-ID: <20120211164225.263630@gmx.net> References: <20120209174232.318280@gmx.net> <20120210002055.6819f76c@natsu> <20120211134715.200530@gmx.net> <20120211195632.59931608@natsu> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Cc: linux-btrfs@vger.kernel.org To: Roman Mamedov Return-path: In-Reply-To: <20120211195632.59931608@natsu> List-ID: On Sat, 11 Feb 2012 19:56:32 +0600 Roman Mamedov wrote: > > Have You tried it Yourself? I think the problem was the remount > > before the space has been completely freed in background. It > > left a valid and working fs, with still work to do. > > Yes, after some snapshot deletions the umount takes a really long time. Ok, then the question is, why did this not happen here? > > In my opinion the kernel should either stall the umount till the > > space is given free > > In my experience it seemed to do just that. Hm, I did the umount under kernel 3.1 and after the reboot I used kernel 3.2. Is that the reason? Regards Norbert