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From: OGAWA Hirofumi <>
To: Andrew Morton <>
Cc: Frank Sorenson <>,
Subject: Re: [PATCH V5 0/4] fat: timestamp updates
Date: Mon, 01 Oct 2018 17:14:20 +0900	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <> (Frank Sorenson's message of "Sun, 30 Sep 2018 22:33:49 -0500")

Frank Sorenson <> writes:

> fat/msdos timestamps are stored on-disk with several different
> granularities, some of them lower resolution than timespec64_trunc()
> can provide.  In addition, they are only truncated as they are
> written to disk, so the timestamps in-memory for new or modified
> files/directories may be different from the same timestamps after
> a remount, as the now-truncated times are re-read from the on-disk
> format.
> These patches allow finer granularity for the timestamps where
> possible and add fat-specific ->update_time inode operation and
> fat_truncate_time functions to truncate each timestamp correctly,
> giving consistent times across remounts.

Whole patches needs to apply at once, so IMO this is better to be one
patch though. Looks good to me.

Acked-by: OGAWA Hirofumi <>

OGAWA Hirofumi <>

      parent reply	other threads:[~2018-10-01 14:50 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-01  3:33 [PATCH V5 0/4] fat: timestamp updates Frank Sorenson
2018-10-01  3:33 ` [PATCH V5 1/4] fat: create a function to calculate the timezone offest Frank Sorenson
2018-10-01  3:33 ` [PATCH V5 2/4] fat: add functions to update and truncate timestamps appropriately Frank Sorenson
2018-10-01  3:33 ` [PATCH V5 3/4] fat: change timestamp updates to use fat_truncate_time Frank Sorenson
2018-10-01  3:33 ` [PATCH V5 4/4] fat: truncate inode timestamp updates in setattr Frank Sorenson
2018-10-01  8:14 ` OGAWA Hirofumi [this message]

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