linux-kernel - [RFC PATCH 5/5] ubifs: Add ACLs config option

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Date: Wed, 20 Mar 2024 00:16:46 +0800
From: Li Zetao <lizetao1@...wei.com>
To: <richard@....at>, <chengzhihao1@...wei.com>
CC: <lizetao1@...wei.com>, <linux-kernel@...r.kernel.org>,
	<linux-mtd@...ts.infradead.org>
Subject: [RFC PATCH 5/5] ubifs: Add ACLs config option

Add CONFIG_UBIFS_FS_POSIX_ACL to select ACL for UBIFS, but it should
be noted that this config option depends on UBIFS_FS_XATTR.

Signed-off-by: Li Zetao <lizetao1@...wei.com>
---
 fs/ubifs/Kconfig  | 14 ++++++++++++++
 fs/ubifs/Makefile |  1 +
 2 files changed, 15 insertions(+)

diff --git a/fs/ubifs/Kconfig b/fs/ubifs/Kconfig
index 45d3d207fb99..9ac5ddd5ded3 100644
--- a/fs/ubifs/Kconfig
+++ b/fs/ubifs/Kconfig
@@ -98,4 +98,18 @@ config UBIFS_FS_AUTHENTICATION
 	  sha256, these are not selected automatically since there are many
 	  different options.
 
+config UBIFS_FS_POSIX_ACL
+	bool "UBIFS POSIX Access Control Lists"
+	depends on UBIFS_FS_XATTR
+	select FS_POSIX_ACL
+	default y
+	help
+	  Posix Access Control Lists (ACLs) support permissions for users and
+	  groups beyond the owner/group/world scheme.
+
+	  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
+
 endif # UBIFS_FS
diff --git a/fs/ubifs/Makefile b/fs/ubifs/Makefile
index 314c80b24a76..1e0733a647d5 100644
--- a/fs/ubifs/Makefile
+++ b/fs/ubifs/Makefile
@@ -9,3 +9,4 @@ ubifs-y += misc.o sysfs.o
 ubifs-$(CONFIG_FS_ENCRYPTION) += crypto.o
 ubifs-$(CONFIG_UBIFS_FS_XATTR) += xattr.o
 ubifs-$(CONFIG_UBIFS_FS_AUTHENTICATION) += auth.o
+ubifs-$(CONFIG_UBIFS_FS_POSIX_ACL) += acl.o
\ No newline at end of file
-- 
2.34.1