From 76ed99d199f7b66b1f762392b19d115994d7e81b Mon Sep 17 00:00:00 2001 From: Russell King Date: Mon, 9 Dec 2019 11:11:43 +0000 Subject: Documentation: update adfs filesystem documentation Add an introduction to adfs to its documentation detailing which formats are supported by the module. Signed-off-by: Russell King Signed-off-by: Al Viro --- Documentation/filesystems/adfs.txt | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/Documentation/filesystems/adfs.txt b/Documentation/filesystems/adfs.txt index 5949766353f7..0baa8e8c1fc1 100644 --- a/Documentation/filesystems/adfs.txt +++ b/Documentation/filesystems/adfs.txt @@ -1,3 +1,27 @@ +Filesystems supported by ADFS +----------------------------- + +The ADFS module supports the following Filecore formats which have: + +- new maps +- new directories or big directories + +In terms of the named formats, this means we support: + +- E and E+, with or without boot block +- F and F+ + +We fully support reading files from these filesystems, and writing to +existing files within their existing allocation. Essentially, we do +not support changing any of the filesystem metadata. + +This is intended to support loopback mounted Linux native filesystems +on a RISC OS Filecore filesystem, but will allow the data within files +to be changed. + +If write support (ADFS_FS_RW) is configured, we allow rudimentary +directory updates, specifically updating the access mode and timestamp. + Mount options for ADFS ---------------------- -- cgit