From: Theodore Tso Subject: Re: [PATCH-e2fsprogs] filefrag: accept positive ioctl return value Date: Tue, 2 Jun 2009 08:40:17 -0400 Message-ID: <20090602124017.GS31943@mit.edu> References: <1243944761-18673-1-git-send-email-bergwolf@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-ext4@vger.kernel.org To: Peng Tao Return-path: Received: from thunk.org ([69.25.196.29]:47558 "EHLO thunker.thunk.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752836AbZFBMk1 (ORCPT ); Tue, 2 Jun 2009 08:40:27 -0400 Content-Disposition: inline In-Reply-To: <1243944761-18673-1-git-send-email-bergwolf@gmail.com> Sender: linux-ext4-owner@vger.kernel.org List-ID: On Tue, Jun 02, 2009 at 08:12:41PM +0800, Peng Tao wrote: > Some ioctl() returns non-negative value on success. filefrag_fiemap should > treat positive ioctl() return values as success. > This can be triggered by running filefrag on btrfs partitions. What does the positive fiemap ioctl return mean? It's not documented in Documentation/filesystems/fiemap.txt. - Ted