Re: [PATCH take 3][RFC] fat: Save FAT root directory timestamps tovolume label

[Jörg Schummer]

On Tue, 2009-09-08 at 17:39 +0200, ext Jamie Lokier wrote:
> Jorg Schummer 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.
> 
> Does Mac OS X do the same "NO NAME" thing?

AFAIK: No. It only supports the general mechanism of storing / loading
the root dir timestamps to / from the volume label entry.

But feel free to re-check that one.

JÃrg


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