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

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Message-ID: <4df4ef0c0801170833p4b416b50h495c2b34a17ef77f@mail.gmail.com>
Date:	Thu, 17 Jan 2008 19:33:15 +0300
From:	"Anton Salikhmetov" <salikhmetov@...il.com>
To:	"Miklos Szeredi" <miklos@...redi.hu>
Cc:	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

2008/1/17, Miklos Szeredi <miklos@...redi.hu>:
> > 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.

OK, I agree.

I'll take into account your suggestion to move updating time stamps from
the __set_page_dirty() and __set_page_dirty_nobuffers() routines to
do_wp_page(). Thank you!

>
> Miklos
>
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