From: Arnd Bergmann <arnd@arndb.de>
To: Sage Weil <sage@newdream.net>
Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
"Aneesh Kumar K. V" <aneesh.kumar@linux.vnet.ibm.com>,
Jonathan Nieder <jrnieder@gmail.com>,
akpm@linux-foundation.org, linux-api@vger.kernel.org,
mtk.manpages@gmail.com, viro@zeniv.linux.org.uk, hch@lst.de,
linux-arch@vger.kernel.org
Subject: Re: [PATCH v3] introduce sys_syncfs to sync a single file system
Date: Thu, 10 Mar 2011 23:08:22 +0100 [thread overview]
Message-ID: <201103102308.23006.arnd@arndb.de> (raw)
In-Reply-To: <Pine.LNX.4.64.1103101125150.4190@cobra.newdream.net>
On Thursday 10 March 2011 20:31:30 Sage Weil wrote:
> It is frequently useful to sync a single file system, instead of all
> mounted file systems via sync(2):
>
> - On machines with many mounts, it is not at all uncommon for some of
> them to hang (e.g. unresponsive NFS server). sync(2) will get stuck on
> those and may never get to the one you do care about (e.g., /).
> - Some applications write lots of data to the file system and then
> want to make sure it is flushed to disk. Calling fsync(2) on each
> file introduces unnecessary ordering constraints that result in a large
> amount of sub-optimal writeback/flush/commit behavior by the file
> system.
>
> ...
> Signed-off-by: Sage Weil <sage@newdream.net>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
next prev parent reply other threads:[~2011-03-10 22:08 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 [this message]
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
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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