xref: /OK3568_Linux_fs/kernel/Documentation/filesystems/isofs.rst (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun.. SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun
3*4882a593Smuzhiyun==================
4*4882a593SmuzhiyunISO9660 Filesystem
5*4882a593Smuzhiyun==================
6*4882a593Smuzhiyun
7*4882a593SmuzhiyunMount options that are the same as for msdos and vfat partitions.
8*4882a593Smuzhiyun
9*4882a593Smuzhiyun  =========	========================================================
10*4882a593Smuzhiyun  gid=nnn	All files in the partition will be in group nnn.
11*4882a593Smuzhiyun  uid=nnn	All files in the partition will be owned by user id nnn.
12*4882a593Smuzhiyun  umask=nnn	The permission mask (see umask(1)) for the partition.
13*4882a593Smuzhiyun  =========	========================================================
14*4882a593Smuzhiyun
15*4882a593SmuzhiyunMount options that are the same as vfat partitions. These are only useful
16*4882a593Smuzhiyunwhen using discs encoded using Microsoft's Joliet extensions.
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun ==============	=============================================================
19*4882a593Smuzhiyun iocharset=name Character set to use for converting from Unicode to
20*4882a593Smuzhiyun		ASCII.  Joliet filenames are stored in Unicode format, but
21*4882a593Smuzhiyun		Unix for the most part doesn't know how to deal with Unicode.
22*4882a593Smuzhiyun		There is also an option of doing UTF-8 translations with the
23*4882a593Smuzhiyun		utf8 option.
24*4882a593Smuzhiyun  utf8          Encode Unicode names in UTF-8 format. Default is no.
25*4882a593Smuzhiyun ==============	=============================================================
26*4882a593Smuzhiyun
27*4882a593SmuzhiyunMount options unique to the isofs filesystem.
28*4882a593Smuzhiyun
29*4882a593Smuzhiyun ================= ============================================================
30*4882a593Smuzhiyun  block=512        Set the block size for the disk to 512 bytes
31*4882a593Smuzhiyun  block=1024       Set the block size for the disk to 1024 bytes
32*4882a593Smuzhiyun  block=2048       Set the block size for the disk to 2048 bytes
33*4882a593Smuzhiyun  check=relaxed    Matches filenames with different cases
34*4882a593Smuzhiyun  check=strict     Matches only filenames with the exact same case
35*4882a593Smuzhiyun  cruft            Try to handle badly formatted CDs.
36*4882a593Smuzhiyun  map=off          Do not map non-Rock Ridge filenames to lower case
37*4882a593Smuzhiyun  map=normal       Map non-Rock Ridge filenames to lower case
38*4882a593Smuzhiyun  map=acorn        As map=normal but also apply Acorn extensions if present
39*4882a593Smuzhiyun  mode=xxx         Sets the permissions on files to xxx unless Rock Ridge
40*4882a593Smuzhiyun		   extensions set the permissions otherwise
41*4882a593Smuzhiyun  dmode=xxx        Sets the permissions on directories to xxx unless Rock Ridge
42*4882a593Smuzhiyun		   extensions set the permissions otherwise
43*4882a593Smuzhiyun  overriderockperm Set permissions on files and directories according to
44*4882a593Smuzhiyun		   'mode' and 'dmode' even though Rock Ridge extensions are
45*4882a593Smuzhiyun		   present.
46*4882a593Smuzhiyun  nojoliet         Ignore Joliet extensions if they are present.
47*4882a593Smuzhiyun  norock           Ignore Rock Ridge extensions if they are present.
48*4882a593Smuzhiyun  hide		   Completely strip hidden files from the file system.
49*4882a593Smuzhiyun  showassoc	   Show files marked with the 'associated' bit
50*4882a593Smuzhiyun  unhide	   Deprecated; showing hidden files is now default;
51*4882a593Smuzhiyun		   If given, it is a synonym for 'showassoc' which will
52*4882a593Smuzhiyun		   recreate previous unhide behavior
53*4882a593Smuzhiyun  session=x        Select number of session on multisession CD
54*4882a593Smuzhiyun  sbsector=xxx     Session begins from sector xxx
55*4882a593Smuzhiyun ================= ============================================================
56*4882a593Smuzhiyun
57*4882a593SmuzhiyunRecommended documents about ISO 9660 standard are located at:
58*4882a593Smuzhiyun
59*4882a593Smuzhiyun- http://www.y-adagio.com/
60*4882a593Smuzhiyun- ftp://ftp.ecma.ch/ecma-st/Ecma-119.pdf
61*4882a593Smuzhiyun
62*4882a593SmuzhiyunQuoting from the PDF "This 2nd Edition of Standard ECMA-119 is technically
63*4882a593Smuzhiyunidentical with ISO 9660.", so it is a valid and gratis substitute of the
64*4882a593Smuzhiyunofficial ISO specification.
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