From: Andi Kleen <andi@firstfloor.org>
To: "J. Bruce Fields" <bfields@fieldses.org>
Cc: Matt Mackall <mpm@selenic.com>, NeilBrown <neilb@suse.de>,
Andi Kleen <andi@firstfloor.org>,
linux-fsdevel <linux-fsdevel@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Nanosecond fs timestamp support: sad
Date: Sun, 24 Jul 2011 03:56:52 +0200 [thread overview]
Message-ID: <20110724015652.GX8006@one.firstfloor.org> (raw)
In-Reply-To: <20110723013809.GA12174@fieldses.org>
> with a stat. So either you have a clock good enough to give a distinct
> timestamp for all of those, or you fall back on a global counter that
> ends up serializing all IO. I think. I admit I'm not sure I understand
Not global counter, but per inode. That's very reasonable because there's
already locking on the inode level.
-Andi
next prev parent reply other threads:[~2011-07-24 1:57 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
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 [this message]
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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