From: Matt Mackall <mpm@selenic.com>
To: Andi Kleen <andi@firstfloor.org>
Cc: NeilBrown <neilb@suse.de>,
linux-fsdevel <linux-fsdevel@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Nanosecond fs timestamp support: sad
Date: Fri, 22 Jul 2011 16:11:42 -0500 [thread overview]
Message-ID: <1311369102.14555.268.camel@calx> (raw)
In-Reply-To: <20110722205922.GS8006@one.firstfloor.org>
On Fri, 2011-07-22 at 22:59 +0200, Andi Kleen wrote:
> > Indeed. Only usefully exists on ext4 and requires extra system calls.
>
> Not sure what you mean? It's in stat(2), just like the timestamps.
I don't see anything that looks like a version or generation number in
either the man pages, the asm-generic/stat.h, or glibc's asm/stat.h.
Pointer?
The only interface I'm aware of is the EXT?_IOC_GETVERSION interface.
Looks like that is supported by BTRFS.
--
Mathematics is the supreme nostalgia of our time.
next prev parent reply other threads:[~2011-07-22 21:11 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-21 18:07 Nanosecond fs timestamp support: sad Matt Mackall
2011-07-22 6:01 ` Andi Kleen
2011-07-22 6:33 ` NeilBrown
2011-07-22 19:34 ` Matt Mackall
2011-07-22 20:59 ` Andi Kleen
2011-07-22 21:11 ` Matt Mackall [this message]
2011-07-22 21:47 ` Andi Kleen
2011-07-22 22:10 ` J. Bruce Fields
2011-07-22 22:31 ` J. Bruce Fields
2011-07-22 22:59 ` NeilBrown
2011-07-22 23:06 ` J. Bruce Fields
2011-07-22 23:49 ` J. Bruce Fields
2011-07-23 0:07 ` NeilBrown
2011-07-23 0:07 ` Matt Mackall
2011-07-23 1:38 ` J. Bruce Fields
2011-07-23 2:10 ` Trond Myklebust
2011-07-24 1:56 ` Andi Kleen
2011-07-29 19:49 ` Pavel Machek
2011-07-29 21:37 ` Matt Mackall
2011-07-23 1:13 ` Andreas Dilger
2011-07-25 15:09 ` Paul E. McKenney
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