From: Christoph Hellwig <hch@infradead.org>
To: Jan Kara <jack@suse.cz>
Cc: Curt Wohlgemuth <curtw@google.com>,
Christoph Hellwig <hch@infradead.org>,
Al Viro <viro@zeniv.linux.org.uk>,
linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
fengguang.wu@intel.com
Subject: Re: [PATCH] writeback: Don't wait for completion in writeback_inodes_sb_nr
Date: Mon, 11 Jul 2011 16:11:57 -0400 [thread overview]
Message-ID: <20110711201157.GA21460@infradead.org> (raw)
In-Reply-To: <20110711194835.GI5482@quack.suse.cz>
On Mon, Jul 11, 2011 at 09:48:35PM +0200, Jan Kara wrote:
> Well, they're not exactly cheap (journaling filesystems have to force
> transaction commits and wait for them) but that does not really matter.
> The real problem is that to wait for IO completion you need some list of
> inodes you want to wait for and you can currently get such list only from
> superblock.
All block device inodes sit on blockdev_superblock, we got rid of inodes
without a superblock long time ago.
next prev parent reply other threads:[~2011-07-11 20:11 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-28 23:43 [PATCH] writeback: Don't wait for completion in writeback_inodes_sb_nr Curt Wohlgemuth
2011-06-29 0:54 ` Dave Chinner
2011-06-29 1:56 ` Curt Wohlgemuth
2011-06-29 8:11 ` Christoph Hellwig
2011-06-29 16:57 ` Jan Kara
2011-06-29 17:55 ` Christoph Hellwig
2011-06-29 19:15 ` Jan Kara
2011-06-29 20:12 ` Christoph Hellwig
2011-06-30 12:15 ` Jan Kara
2011-06-30 12:37 ` Christoph Hellwig
2011-07-01 22:55 ` Curt Wohlgemuth
2011-07-02 11:32 ` Christoph Hellwig
2011-07-11 17:00 ` Jan Kara
2011-07-11 17:11 ` Curt Wohlgemuth
2011-07-11 19:48 ` Jan Kara
2011-07-11 19:51 ` Curt Wohlgemuth
2011-07-11 20:11 ` Christoph Hellwig [this message]
2011-07-12 10:34 ` Jan Kara
2011-07-12 10:41 ` Christoph Hellwig
2011-07-12 22:37 ` Jan Kara
2011-07-14 16:29 ` Curt Wohlgemuth
2011-07-14 23:08 ` Jan Kara
2011-07-19 16:56 ` Christoph Hellwig
2011-07-21 18:35 ` Jan Kara
2011-07-22 15:16 ` Christoph Hellwig
2011-07-19 16:53 ` Christoph Hellwig
2011-07-19 16:51 ` Christoph Hellwig
2011-07-20 22:00 ` Jan Kara
2011-07-22 15:11 ` Christoph Hellwig
2011-06-29 17:26 ` Curt Wohlgemuth
2011-06-29 18:00 ` Christoph Hellwig
2011-06-29 21:30 ` Curt Wohlgemuth
2011-07-19 15:54 ` Christoph Hellwig
2011-06-29 6:42 ` Christoph Hellwig
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