From: Arnd Bergmann <arnd@arndb.de>
To: "Ted Ts'o" <tytso@mit.edu>
Cc: Andrew Morton <akpm@linux-foundation.org>,
G@thunk.org, Indan Zupancic <indan@nul.nu>,
Greg KH <greg@kroah.com>, Jonathan Nieder <jrnieder@gmail.com>,
Sage Weil <sage@newdream.net>,
linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
"Aneesh Kumar K. V" <aneesh.kumar@linux.vnet.ibm.com>,
linux-api@vger.kernel.org, mtk.manpages@gmail.com,
viro@zeniv.linux.org.uk, hch@lst.de, l@jasper.es
Subject: Re: [PATCH v3] introduce sys_syncfs to sync a single file system
Date: Mon, 14 Mar 2011 22:22:44 +0100 [thread overview]
Message-ID: <201103142222.44598.arnd@arndb.de> (raw)
In-Reply-To: <20110314211119.GC8120@thunk.org>
On Monday 14 March 2011 22:11:19 Ted Ts'o wrote:
> It wouldn't hurt to have a "flags" field which we could expand later
> --- but that can lead to portability headaches for userspace programs
> that don't know whether a particular kernel is going to support a
> particular flag or not. So it's certainly not a panacea.
I think adding an unused flags argument can't hurt.
We could be fancy and ignore half the bits but bail out on the other
half with -EINVAL. That would make it possible to add both compatible
(default being full sync on old kernels) and incompatible (getting
rejected on old kernels) flags.
Arnd
next prev parent reply other threads:[~2011-03-14 21:23 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-03 6:35 [RFC] introduce sys_syncat to sync a single file system Sage Weil
2011-03-03 7:22 ` Jonathan Nieder
2011-03-03 8:54 ` Aneesh Kumar K. V
2011-03-07 23:17 ` [RFC] introduce sys_syncfs to sync a single file system (v2) Sage Weil
2011-03-08 5:27 ` Aneesh Kumar K. V
2011-03-10 14:56 ` Arnd Bergmann
2011-03-10 19:28 ` Sage Weil
2011-03-10 19:31 ` [PATCH v3] introduce sys_syncfs to sync a single file system Sage Weil
2011-03-10 22:08 ` Arnd Bergmann
2011-03-11 4:44 ` Aneesh Kumar K. V
2011-03-11 11:01 ` Indan Zupancic
2011-03-11 11:55 ` Arnd Bergmann
2011-03-11 23:45 ` Indan Zupancic
2011-03-11 23:56 ` Jonathan Nieder
2011-03-12 1:53 ` Indan Zupancic
2011-03-12 2:10 ` Jonathan Nieder
2011-03-12 4:22 ` Indan Zupancic
2011-03-12 17:32 ` Greg KH
2011-03-14 1:56 ` Indan Zupancic
2011-03-14 4:29 ` Sage Weil
2011-03-14 9:27 ` Indan Zupancic
2011-03-14 10:22 ` Theodore Tso
2011-03-15 10:11 ` Dave Chinner
2011-03-15 13:00 ` Sage Weil
2011-03-15 15:56 ` Andreas Dilger
2011-03-15 16:08 ` Sage Weil
2011-03-15 20:18 ` Andrew Morton
2011-03-14 20:10 ` Andrew Morton
2011-03-14 20:29 ` Artem Bityutskiy
2011-03-14 21:11 ` Ted Ts'o
2011-03-14 21:20 ` Andrew Morton
2011-03-14 23:17 ` Ted Ts'o
2011-03-14 21:22 ` Arnd Bergmann [this message]
2011-03-12 0:40 ` Ric Wheeler
2011-03-12 1:33 ` Indan Zupancic
2011-03-12 2:52 ` Ric Wheeler
2011-03-12 3:50 ` Indan Zupancic
2011-03-12 12:41 ` Ric Wheeler
2011-03-12 18:31 ` Jeff Garzik
2011-03-14 1:31 ` Indan Zupancic
2011-03-14 1:37 ` Theodore Tso
2011-03-14 1:47 ` Indan Zupancic
2011-03-14 1:45 ` Jeff Garzik
2011-03-14 1:59 ` Indan Zupancic
2011-03-12 19:28 ` Artem Bityutskiy
2011-03-12 19:22 ` Artem Bityutskiy
2011-03-14 1:38 ` Indan Zupancic
2011-03-14 5:52 ` Artem Bityutskiy
2011-03-13 20:59 ` Christoph Hellwig
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