Contents of /fat-epoc/trunk/debian/README

The Debian Package kernel-patch-fat-epoc
------------------------------------------

***IMPORTANT***
  This package is renamed kernel-patch-fat-epoc. The old package, called
  kernel-patch-fat-old, should not be used anymore. The mount option for
  2.6 kernels, previously called `oldfat' is renamed `epoc'.
***IMPORTANT***


In the FAT standard the end of the directory file index is marked by 00.
All entries after it should be ignored. The current FAT implementation
ignores such marked entries, but continues scanning the directory. This
is good enough for most FAT implementations, because they also mark all
remaining entries after the last with a 00 byte.

The filesystem implementation of EPOC 5 (and probably of newer versions
of EPOC) does not clear old entries after the end of the directory file
index. This means that without this patch, Linux will show old previously
deleted or even never assigned entries.

This patch will affect FAT-based filesystems. Examples are filesystems
of the type `msdos' or `vfat'.

The patch for 2.6 kernels is not active, unless you specify the epoc mount
option. For example:
    mount /dev/sda1 /mnt/psion-epioc -t vfat -o epoc

The patch for 2.4 kernels has some known issues. All FAT-based partitions
will use the new policy; there is no mount option. In most cases it should
work well enough; if you want to be completely safe, mount FAT-based
partitions read-only.

Install this package, and compile the kernel with the proper settings.
For example:
    export PATCH_THE_KERNEL=YES
    make-kpkg clean
    make-kpkg binary
    make-kpkg modules_clean
    make-kpkg modules_image


Frodo Looijaard <frodol@dds.nl>, Tue, 18 Mar 2003 14:53:06 +0100
1	The Debian Package kernel-patch-fat-epoc
2	------------------------------------------
3
4	*IMPORTANT*
5	This package is renamed kernel-patch-fat-epoc. The old package, called
6	kernel-patch-fat-old, should not be used anymore. The mount option for
7	2.6 kernels, previously called `oldfat' is renamed `epoc'.
8	*IMPORTANT*
9
10
11	In the FAT standard the end of the directory file index is marked by 00.
12	All entries after it should be ignored. The current FAT implementation
13	ignores such marked entries, but continues scanning the directory. This
14	is good enough for most FAT implementations, because they also mark all
15	remaining entries after the last with a 00 byte.
16
17	The filesystem implementation of EPOC 5 (and probably of newer versions
18	of EPOC) does not clear old entries after the end of the directory file
19	index. This means that without this patch, Linux will show old previously
20	deleted or even never assigned entries.
21
22	This patch will affect FAT-based filesystems. Examples are filesystems
23	of the type `msdos' or `vfat'.
24
25	The patch for 2.6 kernels is not active, unless you specify the epoc mount
26	option. For example:
27	mount /dev/sda1 /mnt/psion-epioc -t vfat -o epoc
28
29	The patch for 2.4 kernels has some known issues. All FAT-based partitions
30	will use the new policy; there is no mount option. In most cases it should
31	work well enough; if you want to be completely safe, mount FAT-based
32	partitions read-only.
33
34	Install this package, and compile the kernel with the proper settings.
35	For example:
36	export PATCH_THE_KERNEL=YES
37	make-kpkg clean
38	make-kpkg binary
39	make-kpkg modules_clean
40	make-kpkg modules_image
41
42
43	Frodo Looijaard <frodol@dds.nl>, Tue, 18 Mar 2003 14:53:06 +0100
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