From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Yan, Zheng " Subject: Re: Disk space accounting and subvolume delete Date: Tue, 1 Jun 2010 10:32:27 +0800 Message-ID: References: <20100510182352.GA21154@untroubled.org> <20100511154518.GA11710@untroubled.org> <20100531190107.GA20103@untroubled.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 To: linux-btrfs@vger.kernel.org Return-path: In-Reply-To: <20100531190107.GA20103@untroubled.org> List-ID: On Tue, Jun 1, 2010 at 3:01 AM, Bruce Guenter wr= ote: > On Wed, May 12, 2010 at 01:02:07PM +0800, Yan, Zheng =A0wrote: >> Dropping a tree can be lengthy. It's not good to let sync wait for h= ours. >> For most linux FS, 'sync' just force an transaction/journal commit. = I don't >> think they wait for large operations that can span multiple transact= ions to >> complete. > > What happens to the consistency of the filesystem if a crash happens > during this process? > This does not break the consistency of the filesystem. Next mount will = find the partial dropped tree and restart the dropping process. Yan, Zheng -- 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