From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Changman Lee <cm224.lee@samsung.com>
Cc: Jaegeuk Kim <jaegeuk@kernel.org>, linux-f2fs-devel@lists.sourceforge.net
Subject: Re: [PATCH] fs/f2fs: add cond_resched() to sync_dirty_dir_inodes()
Date: Fri, 12 Jun 2015 15:28:27 +0200 [thread overview]
Message-ID: <557ADE7B.2010106@linutronix.de> (raw)
In-Reply-To: <20150303011303.GC6541@lcm-devel.org>
On 03/03/2015 02:13 AM, Changman Lee wrote:
>
> Hi Sebastian,
Hi Changman,
> After this patch, your test is all done without any CPU stall, Right?
> IMHO, context should be switched without cond_resched() after consumed
> own time quota. So, it just reduces system latency due to yielding.
> I thought another way to discard pages of inode to be evicted in merged bio
> instead of submit. If so, evict() doesn't need to wait for writeback.
> Just my curiousity out of this problem.
Where do we stand on this?
>
> Thanks,
>
Sebastian
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prev parent reply other threads:[~2015-06-12 13:28 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-20 20:10 f2fs freezes the machine Sebastian Andrzej Siewior
2015-02-23 23:33 ` Jaegeuk Kim
2015-02-24 1:20 ` Nicholas Krause
2015-02-27 12:13 ` [PATCH] fs/f2fs: add cond_resched() to sync_dirty_dir_inodes() Sebastian Andrzej Siewior
2015-03-03 1:13 ` Changman Lee
2015-03-03 1:32 ` nick
2015-03-03 8:22 ` Sebastian Andrzej Siewior
2015-06-12 13:28 ` Sebastian Andrzej Siewior [this message]
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