From: "Stephen C. Tweedie" <sct@redhat.com>
To: Ingo Oeser <ingo.oeser@informatik.tu-chemnitz.de>
Cc: Jan Hudec <bulb@ucw.cz>, Martin Maletinsky <maletinsky@scs.ch>,
linux-mm@kvack.org, kernelnewbies@nl.linux.org
Subject: Re: Question on set_page_dirty()
Date: 12 Dec 2002 12:42:43 +0000 [thread overview]
Message-ID: <1039696963.2420.1.camel@sisko.scot.redhat.com> (raw)
In-Reply-To: <20021212102930.C15158@nightmaster.csn.tu-chemnitz.de>
Hi,
On Thu, 2002-12-12 at 09:29, Ingo Oeser wrote:
> set_page_dirty() can be used in all cases, IMHO, since it:
> - will not sleep
...
Unfortunately, it can take both the inode_lock and pagecache_lock
spinlocks, so if you use it in the wrong place, with other locks already
held, you can cause a deadlock. So you _do_ need to be a bit careful,
and you can't just use it with abandon.
Cheers,
Stephen
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next prev parent reply other threads:[~2002-12-12 12:42 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-12-10 9:59 Martin Maletinsky
2002-12-11 8:01 ` Jan Hudec
2002-12-12 9:29 ` Ingo Oeser
2002-12-12 12:42 ` Stephen C. Tweedie [this message]
2002-12-12 18:20 ` Andrew Morton
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