linux-kernel - Re: [PATCH -v5 2/2] Updating ctime and mtime at syncing

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Message-Id: <E1JFXZd-0006pP-Sn@pomaz-ex.szeredi.hu>
Date:	Thu, 17 Jan 2008 17:26:37 +0100
From:	Miklos Szeredi <miklos@...redi.hu>
To:	salikhmetov@...il.com
CC:	miklos@...redi.hu, linux-mm@...ck.org, jakob@...hought.net,
	linux-kernel@...r.kernel.org, valdis.kletnieks@...edu,
	riel@...hat.com, ksm@...dk, staubach@...hat.com,
	jesper.juhl@...il.com, torvalds@...ux-foundation.org,
	a.p.zijlstra@...llo.nl, akpm@...ux-foundation.org,
	protasnb@...il.com, r.e.wolff@...wizard.nl,
	hidave.darkstar@...il.com, hch@...radead.org
Subject: Re: [PATCH -v5 2/2] Updating ctime and mtime at syncing

> The do_wp_page() function is called in mm/memory.c after locking PTE.
> And the file_update_time() routine calls the filesystem operation that can
> sleep. It's not accepted, I guess.

do_wp_page() is called with the pte lock but drops it, so that's fine.

Miklos
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