linux-kernel - Re: [PATCH] Allow relatime to update atime once a day

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Date:	Fri, 27 Mar 2009 20:34:55 +0100
From:	Bodo Eggert <7eggert@....de>
To:	Matthew Garrett <mjg@...hat.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Frans Pop <elendil@...net.nl>, mingo@...e.hu, tytso@....edu,
	jack@...e.cz, alan@...rguk.ukuu.org.uk, arjan@...radead.org,
	a.p.zijlstra@...llo.nl, npiggin@...e.de, jens.axboe@...cle.com,
	drees76@...il.com, jesper@...gh.cc, linux-kernel@...r.kernel.org,
	oleg@...hat.com, roland@...hat.com, willy@...ux.intel.com,
	vaurora@...hat.com
Subject: Re: [PATCH] Allow relatime to update atime once a day

Matthew Garrett <mjg@...hat.com> wrote:

> --- a/fs/inode.c

> +
> +     if (!relatime_need_update(mnt, inode, now))
> +             goto out;
> +
->  if (timespec_equal(&inode->i_atime, &now))
->  goto out;

timespec_equal is now duplicate, because:

> +static int relatime_need_update(struct vfsmount *mnt, struct inode *inode,
..
> +     if (timespec_compare(&inode->i_mtime, &inode->i_atime) >= 0)
> +             return 1;


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