From: Christoph Hellwig <hch@infradead.org>
To: Jan Kara <jack@suse.cz>
Cc: Christoph Hellwig <hch@infradead.org>,
Curt Wohlgemuth <curtw@google.com>,
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: Fri, 22 Jul 2011 11:16:04 -0400 [thread overview]
Message-ID: <20110722151604.GD30317@infradead.org> (raw)
In-Reply-To: <20110721183523.GA4509@quack.suse.cz>
On Thu, Jul 21, 2011 at 08:35:23PM +0200, Jan Kara wrote:
> > You're also skipping the ->sync_fs and quotasync calls the first round.
> Well, kind of. Since writeback is running asynchronously, we have no way
> to call ->sync_fs(sb, 0) just after async inode writeback is done (and it
> doesn't really make sense to call it before that moment). So we call
> synchronous inode writeback first and only then ->sync_fs().
I don't nessecarily say it's a bad thing, but when you do subtile
behaviour changes like this it at least needs to be clearly documented
in the changelog, or even better split into a patch on it's own.
> Where would you like to document the change?
commit log.
next prev parent reply other threads:[~2011-07-22 15:16 UTC|newest]
Thread overview: 38+ 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 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 19:51 ` Curt Wohlgemuth
2011-07-11 20:11 ` Christoph Hellwig
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 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 [this message]
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 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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