linux-kernel - Re: [PATCH take 3][RFC] fat: Save FAT root directory timestamps to volume label

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Date:	Tue, 15 Sep 2009 14:03:42 +0300
From:	Jörg Schummer <ext-jorg.2.schummer@...ia.com>
To:	"hirofumi@...l.parknet.co.jp" <hirofumi@...l.parknet.co.jp>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
	jorg@....net
Subject: Re: [PATCH take 3][RFC] fat: Save FAT root directory timestamps to
	volume label

On Tue, 2009-09-08 at 16:34 +0200, Schummer Jorg.2
(EXT-TietoEnator/Helsinki) wrote:
> Standard FAT implementations cannot store any of the FAT root directory's
> timestamps. This commit adds the mount option 'rootts', which allows saving
> the FAT root directory timestamps as the timestamps of the FAT volume label
> directory entry. At least Mac OS X is known to support the same mechanism
> and interoperate with this commit.
> 
> When mounting, the following values can be specified for the 'rootts' mount
> option:
> 
>   "rootts=ignore"   ignores root directory timestamps. All timestamps are
>                     reset to 0 (1/1/1970). This has been the FAT behaviour
>                     prior to this patch.
> 
>   "rootts=preserve" tries to load and save the root directory's timestamps
>                     if a volume label entry exists. The mtime and atime are
>                     corrected based on root directory entries' ctime. This
>                     is the default.
> 
>   "rootts=save"     tries to load and save the root directory's timestamps.
>                     The mtime and atime are corrected based on root
>                     directory entries' ctime. If the root directory was
>                     accessed but no volume label entry exists, the label
>                     "NO NAME" is created.

Hello again,

in case anyone would like to send some feedback or comments about the
patch, please use this email address from now on: jorg@....net .

Thanks,
Jörg


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