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From: Deepa Dinamani <deepa.kernel@gmail.com>
To: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Linux FS-devel Mailing List <linux-fsdevel@vger.kernel.org>,
	Arnd Bergmann <arnd@arndb.de>,
	y2038 Mailman List <y2038@lists.linaro.org>,
	Adrian Hunter <adrian.hunter@intel.com>,
	anton@tuxera.com, Artem Bityutskiy <dedekind1@gmail.com>,
	Greg KH <gregkh@linuxfoundation.org>, stoph Hellwig <hch@lst.de>,
	Jaegeuk Kim <jaegeuk@kernel.org>,
	Joel Becker <jlbec@evilplan.org>,
	Richard Weinberger <richard@nod.at>, Tejun Heo <tj@kernel.org>,
	yuchao0@huawei.com, "Linux F2FS DEV,
	Mailing List"  <linux-f2fs-devel@lists.sourceforge.net>,
	linux-ntfs-dev@lists.sourceforge.net,
	linux-mtd <linux-mtd@lists.infradead.org>
Subject: Re: [PATCH 03/20] timestamp_truncate: Replace users of timespec64_trunc
Date: Tue, 30 Jul 2019 10:26:22 -0700	[thread overview]
Message-ID: <CABeXuvqgaxDSR8N_D1Tdw06g_5PGinZS--6nx-bPtAWP4v+mwg@mail.gmail.com> (raw)
In-Reply-To: <87d0hsapwr.fsf@mail.parknet.co.jp>

On Tue, Jul 30, 2019 at 1:27 AM OGAWA Hirofumi
<hirofumi@mail.parknet.co.jp> wrote:
>
> Deepa Dinamani <deepa.kernel@gmail.com> writes:
>
> > diff --git a/fs/fat/misc.c b/fs/fat/misc.c
> > index 1e08bd54c5fb..53bb7c6bf993 100644
> > --- a/fs/fat/misc.c
> > +++ b/fs/fat/misc.c
> > @@ -307,8 +307,9 @@ int fat_truncate_time(struct inode *inode, struct timespec64 *now, int flags)
> >               inode->i_atime = (struct timespec64){ seconds, 0 };
> >       }
> >       if (flags & S_CTIME) {
> > -             if (sbi->options.isvfat)
> > -                     inode->i_ctime = timespec64_trunc(*now, 10000000);
> > +             if (sbi->options.isvfat) {
> > +                     inode->i_ctime = timestamp_truncate(*now, inode);
> > +             }
> >               else
> >                       inode->i_ctime = fat_timespec64_trunc_2secs(*now);
> >       }
>
> Looks like broken. It changed to sb->s_time_gran from 10000000, and
> changed coding style.

This is using a new api: timestamp_truncate(). granularity is gotten
by inode->sb->s_time_gran. See Patch [2/20]:
https://lkml.org/lkml/2019/7/29/1853

So this is not broken if fat is filling in the right granularity in the sb.

-Deepa

  reply	other threads:[~2019-07-30 17:26 UTC|newest]

Thread overview: 62+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-30  1:49 [PATCH 00/20] vfs: Add support for timestamp limits Deepa Dinamani
2019-07-30  1:49 ` [PATCH 01/20] vfs: Add file timestamp range support Deepa Dinamani
2019-07-30  1:49 ` [PATCH 02/20] vfs: Add timestamp_truncate() api Deepa Dinamani
2019-07-30  1:49 ` [PATCH 03/20] timestamp_truncate: Replace users of timespec64_trunc Deepa Dinamani
2019-07-30  8:27   ` OGAWA Hirofumi
2019-07-30 17:26     ` Deepa Dinamani [this message]
2019-07-30 22:28       ` Anton Altaparmakov
2019-07-31  0:08         ` Deepa Dinamani
2019-07-30  1:49 ` [PATCH 04/20] mount: Add mount warning for impending timestamp expiry Deepa Dinamani
2019-08-05 14:12   ` [Y2038] " Ben Hutchings
2019-08-05 14:40     ` Arnd Bergmann
2019-08-10 20:47     ` Deepa Dinamani
2019-08-05 14:14   ` Ben Hutchings
2019-08-10 20:44     ` Deepa Dinamani
2019-08-12 13:25       ` Ben Hutchings
2019-08-12 14:11         ` Arnd Bergmann
2019-08-12 16:09           ` Deepa Dinamani
2019-08-12 16:15             ` Deepa Dinamani
2019-08-12 17:43               ` Ben Hutchings
2019-07-30  1:49 ` [PATCH 05/20] utimes: Clamp the timestamps before update Deepa Dinamani
2019-07-31 15:14   ` Darrick J. Wong
2019-07-31 15:33     ` Deepa Dinamani
2019-08-05 13:30   ` [Y2038] " Ben Hutchings
2019-08-10 20:36     ` Deepa Dinamani
2019-07-30  1:49 ` [PATCH 06/20] fs: Fill in max and min timestamps in superblock Deepa Dinamani
2019-07-31 15:28   ` Darrick J. Wong
2019-07-30  1:49 ` [PATCH 07/20] 9p: Fill min and max timestamps in sb Deepa Dinamani
2019-07-30  1:49 ` [PATCH 08/20] adfs: Fill in max and min " Deepa Dinamani
2019-07-30  1:49 ` [PATCH 09/20] ext4: Initialize timestamps limits Deepa Dinamani
2019-07-31 15:26   ` Darrick J. Wong
2019-08-01 19:18     ` Deepa Dinamani
2019-08-01 22:43       ` Theodore Y. Ts'o
2019-08-02 10:39         ` Arnd Bergmann
2019-08-02 15:43           ` Theodore Y. Ts'o
2019-08-02 19:00             ` Arnd Bergmann
2019-08-02 21:39               ` Theodore Y. Ts'o
2019-08-03  9:30                 ` Arnd Bergmann
2019-08-03 16:02                   ` Theodore Y. Ts'o
2019-08-03 20:24                     ` Arnd Bergmann
2019-08-07 18:04                       ` Andreas Dilger
2019-08-08 18:27                         ` Deepa Dinamani
2019-07-30  1:49 ` [PATCH 10/20] fs: nfs: Initialize filesystem timestamp ranges Deepa Dinamani
2019-07-30  1:49 ` [PATCH 11/20] fs: cifs: " Deepa Dinamani
2019-07-30  1:49 ` [PATCH 12/20] fs: fat: " Deepa Dinamani
2019-07-30  9:31   ` OGAWA Hirofumi
2019-07-30 17:39     ` Deepa Dinamani
2019-07-31  0:48       ` OGAWA Hirofumi
2019-07-30  1:49 ` [PATCH 13/20] fs: affs: " Deepa Dinamani
2019-08-01 11:28   ` David Sterba
2019-07-30  1:49 ` [PATCH 14/20] fs: sysv: " Deepa Dinamani
2019-07-30  1:49 ` [PATCH 15/20] fs: ceph: " Deepa Dinamani
2019-07-30  1:49 ` [PATCH 16/20] fs: orangefs: " Deepa Dinamani
2019-07-30  1:49 ` [PATCH 17/20] fs: hpfs: " Deepa Dinamani
2019-07-30  1:49 ` [PATCH 18/20] fs: omfs: " Deepa Dinamani
2019-07-30 14:25   ` Bob Copeland
2019-07-30  1:49 ` [PATCH 19/20] pstore: fs superblock limits Deepa Dinamani
2019-07-30  4:31   ` Kees Cook
2019-07-30  7:36     ` Arnd Bergmann
2019-08-02  2:26       ` Deepa Dinamani
2019-08-02  7:15         ` Arnd Bergmann
2019-08-18 14:00           ` Deepa Dinamani
2019-07-30  1:49 ` [PATCH 20/20] isofs: Initialize filesystem timestamp ranges Deepa Dinamani

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