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SubjectRe: [PATCH] Documentation: document HFSPlus
On Fri, 27 Jul 2007 21:25:47 -0400 Wyatt Banks wrote:

> From: Wyatt Banks <wyatt@banksresearch.com>
>
> Documentation: document HFSPlus filesystem and its mount options.
>
> Signed-off-by: Wyatt Banks <wyatt@banksresearch.com>

Thanks.

> ---
>
> Patched against 2.6.22.1

FYI: Patches should be against the latest -rc or -git (when
available), but it probably doesn't matter in this case.


> diff -uprN linux-2.6.22.1/Documentation/filesystems/hfsplus.txt linux-2.6.22.1-devel/Documentation/filesystems/hfsplus.txt
> --- linux-2.6.22.1/Documentation/filesystems/hfsplus.txt 1969-12-31 19:00:00.000000000 -0500
> +++ linux-2.6.22.1-devel/Documentation/filesystems/hfsplus.txt 2007-07-27 21:11:10.000000000 -0400
> @@ -0,0 +1,59 @@
> +
> +Macintosh HFSPlus Filesystem for Linux
> +======================================
> +
> +HFSPlus is a filesystem first introduced in MacOS 8.1.
> +HFSPlus has several extensions to HFS, including 32 bit allocation

32-bit

> +blocks, 255 character unicode filenames, and file sizes of 2^63 bytes.

255-character

> +
> +
> +Mount options
> +=============
> +
> +When mounting an HFSPlus filesystem, the following options are accepted:
> +
> + creator=cccc, type=cccc
> + Specifies the creator/type values as shown by the MacOS finder
> + used for creating new files. Default values: '????'.
> +
> + uid=n, gid=n
> + Specifies the user/group that owns all files on the filesystem
> + that have uninitialized permissions structures.
> + Default: user/group id of the mounting process.
> +
> + umask=n
> + Specifies the umask used for files and directories that have
> + uninitialized permissions structures.
> + Default: umask of the mounting process.

in octal

> + session=n
> + Select the CDROM session to mount as HFSPlus filesystem. Defaults to
> + leaving that decision to the CDROM driver. This option will fail
> + with anything but a CDROM as underlying devices.
> +
> + part=n
> + Select partition number n from the devices. Does only makes
> + sense for CDROMS because they can't be partitioned under Linux.

CDROMs or CD-ROMs
and this sentence is confusing to me. Please check it.

> + For disk devices the generic partition parsing code does this
> + for us. Defaults to not parsing the partition table at all.
> +
> + decompose
> + Decompose file name characters.
> +
> + nodecompose
> + Do not decompose file name characters.
> +
> + force
> + Used to force write access to volumes that are marked as journalled
> + or locked. Use at your own risk.
> +
> + nls=cccc
> + Encoding to use when presenting file names.
> +
> +
> +References
> +==========
> +
> +kernel source: <file:fs/hfsplus>
> +
> +Apple Technote 1150 http://developer.apple.com/technotes/tn/tn1150.html


---
~Randy
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