btrfs-progs: convert: move duplicated acl code to common header

The ACL types and macros are same for both source filesystem.

Signed-off-by: David Sterba <dsterba@suse.com>

1 files changed, 47 insertions, 0 deletions

diff --git a/convert/source-fs.h b/convert/source-fs.h
index 3a6fa46c..a2b21982 100644
--- a/convert/source-fs.h
+++ b/convert/source-fs.h
@@ -55,6 +55,53 @@ struct btrfs_convert_context;
 #define CONVERT_FLAG_COPY_LABEL		(1U << 3)
 #define CONVERT_FLAG_SET_LABEL		(1U << 4)
 
+/* 23.2.5 acl_tag_t values */
+
+#define ACL_UNDEFINED_TAG       (0x00)
+#define ACL_USER_OBJ            (0x01)
+#define ACL_USER                (0x02)
+#define ACL_GROUP_OBJ           (0x04)
+#define ACL_GROUP               (0x08)
+#define ACL_MASK                (0x10)
+#define ACL_OTHER               (0x20)
+
+/* 23.2.7 ACL qualifier constants */
+
+#define ACL_UNDEFINED_ID        ((id_t)-1)
+
+#define ACL_EA_VERSION		0x0002
+
+typedef struct {
+	__le16		e_tag;
+	__le16		e_perm;
+	__le32		e_id;
+} acl_ea_entry;
+
+typedef struct {
+	__le32		a_version;
+	acl_ea_entry	a_entries[0];
+} acl_ea_header;
+
+typedef struct {
+	__le16		e_tag;
+	__le16		e_perm;
+	__le32		e_id;
+} ext2_acl_entry;
+
+typedef struct {
+	__le16		e_tag;
+	__le16		e_perm;
+} ext2_acl_entry_short;
+
+typedef struct {
+	__le32		a_version;
+} ext2_acl_header;
+
+static inline size_t acl_ea_size(int count)
+{
+	return sizeof(acl_ea_header) + count * sizeof(acl_ea_entry);
+}
+
 struct btrfs_convert_operations {
 	const char name[SOURCE_FS_NAME_LEN];
 	int (*open_fs)(struct btrfs_convert_context *cctx, const char *devname);