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Commit 206506cc authored by Robert P. J. Day's avatar Robert P. J. Day Committed by Linus Torvalds
Browse files

tmpfs: expand "help" to explain value of TMPFS_POSIX_ACL 



Expand the fs/Kconfig "help" info to clarify why it's a bad idea to
deselect the TMPFS_POSIX_ACL config variable.

Signed-off-by: default avatarRobert P. J. Day <rpjday@crashcourse.ca>
Acked-by: default avatarRandy Dunlap <rdunlap@xenotime.net>
Acked-by: default avatarHugh Dickins <hughd@google.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 8079b1c8

fs/Kconfig

+11 −4
Original line number Diff line number Diff line
@@ -127,14 +127,21 @@ config TMPFS_POSIX_ACL 
	select TMPFS_XATTR

	select GENERIC_ACL

	help

	  POSIX Access Control Lists (ACLs) support permissions for users and

	  groups beyond the owner/group/world scheme.

	  POSIX Access Control Lists (ACLs) support additional access rights

	  for users and groups beyond the standard owner/group/world scheme,

	  and this option selects support for ACLs specifically for tmpfs

	  filesystems.



	  If you've selected TMPFS, it's possible that you'll also need

	  this option as there are a number of Linux distros that require

	  POSIX ACL support under /dev for certain features to work properly.

	  For example, some distros need this feature for ALSA-related /dev

	  files for sound to work properly.  In short, if you're not sure,

	  say Y.



	  To learn more about Access Control Lists, visit the POSIX ACLs for

	  Linux website <http://acl.bestbits.at/>.



	  If you don't know what Access Control Lists are, say N.



config TMPFS_XATTR

	bool "Tmpfs extended attributes"

	depends on TMPFS