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Commit 8986ab59 authored by Bart Trojanowski's avatar Bart Trojanowski Committed by Linus Torvalds
Browse files

fat: document additional vfat mount options 



While debugging a sync mount regression on vfat I noticed that there were
mount options parsed by the driver that were not documented.

[hirofumi@mail.parknet.co.jp: fix some parts]
Signed-off-by: default avatarBart Trojanowski <bart@jukie.net>
Signed-off-by: default avatarOGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent c1dfda39

Documentation/filesystems/vfat.txt

+22 −2
Original line number Diff line number Diff line
@@ -8,6 +8,12 @@ if you want to format from within Linux. 


VFAT MOUNT OPTIONS

----------------------------------------------------------------------

uid=###       -- Set the owner of all files on this filesystem.

		 The default is the uid of current process.



gid=###       -- Set the group of all files on this filesystem.

		 The default is the gid of current process.



umask=###     -- The permission mask (for files and directories, see umask(1)).

                 The default is the umask of current process.
@@ -36,7 +42,7 @@ codepage=### -- Sets the codepage number for converting to shortname 
		 characters on FAT filesystem.

		 By default, FAT_DEFAULT_CODEPAGE setting is used.



iocharset=name -- Character set to use for converting between the

iocharset=<name> -- Character set to use for converting between the

		 encoding is used for user visible filename and 16 bit

		 Unicode characters. Long filenames are stored on disk

		 in Unicode format, but Unix for the most part doesn't
@@ -86,6 +92,8 @@ check=s|r|n -- Case sensitivity checking setting. 
                 r: relaxed, case insensitive

                 n: normal, default setting, currently case insensitive



nocase        -- This was deprecated for vfat. Use shortname=win95 instead.



shortname=lower|win95|winnt|mixed

	      -- Shortname display/create setting.

		 lower: convert to lowercase for display,
@@ -99,11 +107,23 @@ shortname=lower|win95|winnt|mixed 
tz=UTC        -- Interpret timestamps as UTC rather than local time.

                 This option disables the conversion of timestamps

                 between local time (as used by Windows on FAT) and UTC

                 (which Linux uses internally).  This is particuluarly

                 (which Linux uses internally).  This is particularly

                 useful when mounting devices (like digital cameras)

                 that are set to UTC in order to avoid the pitfalls of

                 local time.



showexec      -- If set, the execute permission bits of the file will be

		 allowed only if the extension part of the name is .EXE,

		 .COM, or .BAT. Not set by default.



debug         -- Can be set, but unused by the current implementation.



sys_immutable -- If set, ATTR_SYS attribute on FAT is handled as

		 IMMUTABLE flag on Linux. Not set by default.



flush         -- If set, the filesystem will try to flush to disk more

		 early than normal. Not set by default.



<bool>: 0,1,yes,no,true,false



TODO