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-rw-r--r--convert/source-fs.h58
1 files changed, 57 insertions, 1 deletions
diff --git a/convert/source-fs.h b/convert/source-fs.h
index 3a6fa46c..23f33567 100644
--- a/convert/source-fs.h
+++ b/convert/source-fs.h
@@ -18,9 +18,9 @@
#define __BTRFS_CONVERT_SOURCE_FS_H__
#include "kerncompat.h"
+#include <linux/kdev_t.h>
#include <pthread.h>
-
#define CONV_IMAGE_SUBVOL_OBJECTID BTRFS_FIRST_FREE_OBJECTID
/*
@@ -55,6 +55,62 @@ 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);
+}
+
+int ext2_acl_count(size_t size);
+
+#ifndef MKDEV
+#define MINORBITS 20
+#define MKDEV(ma, mi) (((ma) << MINORBITS) | (mi))
+#endif
+
+dev_t decode_dev(u32 dev);
+
struct btrfs_convert_operations {
const char name[SOURCE_FS_NAME_LEN];
int (*open_fs)(struct btrfs_convert_context *cctx, const char *devname);