From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: Re: [GIT PULL] Ceph updates for 3.1-rc1 Date: Sun, 31 Jul 2011 14:35:56 -0400 Message-ID: <20110731183556.GA23133@infradead.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: torvalds@linux-foundation.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, ceph-devel@vger.kernel.org To: Sage Weil Return-path: Content-Disposition: inline In-Reply-To: Sender: ceph-devel-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org On Tue, Jul 26, 2011 at 01:36:37PM -0700, Sage Weil wrote: > Sage Weil (19): > ceph: add flags field to file_info > ceph: add F_SYNC file flag to force sync (non-O_DIRECT) io Can you document what the exact semantics of this flag are, and how they different from using O_SYNC/O_DSYNC.