|author||Robert P. J. Day <email@example.com>||2011-08-03 16:21:29 -0700|
|committer||Linus Torvalds <firstname.lastname@example.org>||2011-08-03 14:25:25 -1000|
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: Robert P. J. Day <email@example.com> Acked-by: Randy Dunlap <firstname.lastname@example.org> Acked-by: Hugh Dickins <email@example.com> Signed-off-by: Andrew Morton <firstname.lastname@example.org> Signed-off-by: Linus Torvalds <email@example.com>
1 files changed, 11 insertions, 4 deletions
diff --git a/fs/Kconfig b/fs/Kconfig
index 19891aab9c6e..9fe0b349f4cd 100644
@@ -127,14 +127,21 @@ config TMPFS_POSIX_ACL
- 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
+ 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.
bool "Tmpfs extended attributes"
depends on TMPFS