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Date: Sat, 18 Jun 2011 07:45:35 -0400 (EDT) From: "Robert P. J. Day" <rpjday@...shcourse.ca> To: Linux Kernel Mailing List <linux-kernel@...r.kernel.org> cc: hughd@...gle.com Subject: [PATCH] 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 <rpjday@...shcourse.ca> --- diff --git a/fs/Kconfig b/fs/Kconfig index 19891aa..4217543 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -127,14 +127,20 @@ 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, you almost certainly want this option + as well since a number of user space features (ie., ALSA sound) + require POSIX ACL support under /dev to work properly. In other + words, if you're not sure and you have no *compelling* reason to + deselect this feature, 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 -- ======================================================================== Robert P. J. Day Ottawa, Ontario, CANADA http://crashcourse.ca Twitter: http://twitter.com/rpjday LinkedIn: http://ca.linkedin.com/in/rpjday ======================================================================== -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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