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Subject[PATCH] Documentation: document HFSPlus
Hi Randy,

>
>> ---
>>
>> 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.
>

Thanks for the tip and corrections. Here's the latest.


From: Wyatt Banks <wyatt@banksresearch.com>

Documentation: document HFSPlus filesystem and its mount options.

Signed-off-by: Wyatt Banks <wyatt@banksresearch.com>

diff -uprN linux-2.6.23-rc1/Documentation/filesystems/hfsplus.txt linux-2.6.23-rc1-devel/Documentation/filesystems/hfsplus.txt
--- linux-2.6.23-rc1/Documentation/filesystems/hfsplus.txt 1969-12-31 19:00:00.000000000 -0500
+++ linux-2.6.23-rc1-devel/Documentation/filesystems/hfsplus.txt 2007-07-28 09:14:46.000000000 -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
+blocks, 255-character unicode filenames, and file sizes of 2^63 bytes.
+
+
+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 (in octal) used for files and directories
+ that have uninitialized permissions structures.
+ Default: umask of the mounting process.
+
+ 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. This option only makes
+ sense for CDROMs because they can't be partitioned under Linux.
+ 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
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