[PATCH v5 2/2] squashfs-tools: Add posix acl support

[Geliang Tang]

This patch adds posix acl (Access Control Lists) support to squashfs-tools.

Signed-off-by: Geliang Tang <geliangtang@xxxxxxxxx>
---
 squashfs-tools/read_xattrs.c |  2 ++
 squashfs-tools/squashfs_fs.h | 12 +++++++-----
 2 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/squashfs-tools/read_xattrs.c b/squashfs-tools/read_xattrs.c
index 42106f5..8ef8291 100644
--- a/squashfs-tools/read_xattrs.c
+++ b/squashfs-tools/read_xattrs.c
@@ -64,6 +64,8 @@ static long long xattr_table_start;
  */
 struct prefix prefix_table[] = {
 	{ "user.", SQUASHFS_XATTR_USER },
+	{ "system.", SQUASHFS_XATTR_POSIX_ACL_ACCESS },
+	{ "system.", SQUASHFS_XATTR_POSIX_ACL_DEFAULT },
 	{ "trusted.", SQUASHFS_XATTR_TRUSTED },
 	{ "security.", SQUASHFS_XATTR_SECURITY },
 	{ "", -1 }
diff --git a/squashfs-tools/squashfs_fs.h b/squashfs-tools/squashfs_fs.h
index afca918..040035c 100644
--- a/squashfs-tools/squashfs_fs.h
+++ b/squashfs-tools/squashfs_fs.h
@@ -122,11 +122,13 @@
 #define SQUASHFS_LSOCKET_TYPE		14
 
 /* Xattr types */
-#define SQUASHFS_XATTR_USER		0
-#define SQUASHFS_XATTR_TRUSTED		1
-#define SQUASHFS_XATTR_SECURITY		2
-#define SQUASHFS_XATTR_VALUE_OOL	256
-#define SQUASHFS_XATTR_PREFIX_MASK	0xff
+#define SQUASHFS_XATTR_USER			0
+#define SQUASHFS_XATTR_POSIX_ACL_ACCESS		1
+#define SQUASHFS_XATTR_POSIX_ACL_DEFAULT	2
+#define SQUASHFS_XATTR_TRUSTED			3
+#define SQUASHFS_XATTR_SECURITY			4
+#define SQUASHFS_XATTR_VALUE_OOL		256
+#define SQUASHFS_XATTR_PREFIX_MASK		0xff
 
 /* Flag whether block is compressed or uncompressed, bit is set if block is
  * uncompressed */
-- 
2.17.1