linux-kernel - Re: [GIT PULL] Ceph updates for 3.1-rc1

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Date:	Sun, 31 Jul 2011 14:35:56 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	Sage Weil <sage@...dream.net>
Cc:	torvalds@...ux-foundation.org, linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org, ceph-devel@...r.kernel.org
Subject: Re: [GIT PULL] Ceph updates for 3.1-rc1

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.

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