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authorJaegeuk Kim <jaegeuk.kim@samsung.com>2012-11-02 12:12:17 +0400
committerJaegeuk Kim <jaegeuk.kim@samsung.com>2012-12-11 08:43:41 +0400
commitaf48b85b8cd3fbb12c9b6759c16db6d69c0b03da (patch)
tree90d490a0fdc6b75ff92dcf96449b405b8b618c9f /fs/f2fs/acl.h
parent6b4ea0160ae236a6561defa28e19f973aedda9ff (diff)
downloadlinux-af48b85b8cd3fbb12c9b6759c16db6d69c0b03da.tar.xz
f2fs: add xattr and acl functionalities
This implements xattr and acl functionalities. - F2FS uses a node page to contain use extended attributes. Signed-off-by: Changman Lee <cm224.lee@samsung.com> Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Diffstat (limited to 'fs/f2fs/acl.h')
-rw-r--r--fs/f2fs/acl.h57
1 files changed, 57 insertions, 0 deletions
diff --git a/fs/f2fs/acl.h b/fs/f2fs/acl.h
new file mode 100644
index 000000000000..c97675e18fe2
--- /dev/null
+++ b/fs/f2fs/acl.h
@@ -0,0 +1,57 @@
+/**
+ * fs/f2fs/acl.h
+ *
+ * Copyright (c) 2012 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com/
+ *
+ * Portions of this code from linux/fs/ext2/acl.h
+ *
+ * Copyright (C) 2001-2003 Andreas Gruenbacher, <agruen@suse.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef __F2FS_ACL_H__
+#define __F2FS_ACL_H__
+
+#include <linux/posix_acl_xattr.h>
+
+#define F2FS_ACL_VERSION 0x0001
+
+struct f2fs_acl_entry {
+ __le16 e_tag;
+ __le16 e_perm;
+ __le32 e_id;
+};
+
+struct f2fs_acl_entry_short {
+ __le16 e_tag;
+ __le16 e_perm;
+};
+
+struct f2fs_acl_header {
+ __le32 a_version;
+};
+
+#ifdef CONFIG_F2FS_FS_POSIX_ACL
+
+extern struct posix_acl *f2fs_get_acl(struct inode *inode, int type);
+extern int f2fs_acl_chmod(struct inode *inode);
+extern int f2fs_init_acl(struct inode *inode, struct inode *dir);
+#else
+#define f2fs_check_acl NULL
+#define f2fs_get_acl NULL
+#define f2fs_set_acl NULL
+
+static inline int f2fs_acl_chmod(struct inode *inode)
+{
+ return 0;
+}
+
+static inline int f2fs_init_acl(struct inode *inode, struct inode *dir)
+{
+ return 0;
+}
+#endif
+#endif /* __F2FS_ACL_H__ */