btrfs-progs: use values directly for BLOCK_GROUP_ macros

[platform/upstream/btrfs-progs.git] / utils.h

diff --git a/utils.h b/utils.h
index f13f62f..98bfb34 100644 (file)
--- a/utils.h
+++ b/utils.h
@@ -46,6 +46,8 @@
        | BTRFS_FEATURE_INCOMPAT_SKINNY_METADATA                \
        | BTRFS_FEATURE_INCOMPAT_NO_HOLES)
 
+#define BTRFS_CONVERT_META_GROUP_SIZE (32 * 1024 * 1024)
+
 #define BTRFS_FEATURE_LIST_ALL         (1ULL << 63)
 
 #define BTRFS_SCAN_MOUNTED     (1ULL << 0)
@@ -123,7 +125,30 @@ struct btrfs_mkfs_config {
        u64 super_bytenr;
 };
 
-int make_btrfs(int fd, struct btrfs_mkfs_config *cfg);
+struct btrfs_convert_context {
+       u32 blocksize;
+       u32 first_data_block;
+       u32 block_count;
+       u32 inodes_count;
+       u32 free_inodes_count;
+       u64 total_bytes;
+       char *volume_name;
+       const struct btrfs_convert_operations *convert_ops;
+
+       /* The accurate used space of old filesystem */
+       struct cache_tree used;
+
+       /* Batched ranges which must be covered by data chunks */
+       struct cache_tree data_chunks;
+
+       /* Free space which is not covered by data_chunks */
+       struct cache_tree free;
+
+       void *fs_data;
+};
+
+int make_btrfs(int fd, struct btrfs_mkfs_config *cfg,
+               struct btrfs_convert_context *cctx);
 int btrfs_make_root_dir(struct btrfs_trans_handle *trans,
                        struct btrfs_root *root, u64 objectid);
 int btrfs_prepare_device(int fd, const char *file, int zero_end,
@@ -187,8 +212,6 @@ int get_device_info(int fd, u64 devid,
                struct btrfs_ioctl_dev_info_args *di_args);
 int test_uuid_unique(char *fs_uuid);
 u64 disk_size(const char *path);
-int get_device_info(int fd, u64 devid,
-               struct btrfs_ioctl_dev_info_args *di_args);
 u64 get_partition_size(const char *dev);
 
 int test_minimum_size(const char *file, u32 nodesize);
@@ -211,8 +234,9 @@ int get_subvol_info(const char *fullpath, struct root_info *get_ri);
  */
 static inline u64 btrfs_min_global_blk_rsv_size(u32 nodesize)
 {
-       return nodesize << 10;
+       return (u64)nodesize << 10;
 }
+
 static inline u64 btrfs_min_dev_size(u32 nodesize)
 {
        return 2 * (BTRFS_MKFS_SYSTEM_GROUP_SIZE +
@@ -279,6 +303,8 @@ const char *get_argv0_buf(void);
 
 unsigned int get_unit_mode_from_arg(int *argc, char *argv[], int df_mode);
 void clean_args_no_options(int argc, char *argv[], const char * const *usage);
+void clean_args_no_options_relaxed(int argc, char *argv[],
+               const char * const *usagestr);
 int string_is_numerical(const char *str);
 
 __attribute__ ((format (printf, 1, 2)))
@@ -339,4 +365,38 @@ static inline int error_on(int condition, const char *fmt, ...)
        return 1;
 }
 
+/* Pseudo random number generator wrappers */
+u32 rand_u32(void);
+
+static inline int rand_int(void)
+{
+       return (int)(rand_u32());
+}
+
+static inline u64 rand_u64(void)
+{
+       u64 ret = 0;
+
+       ret += rand_u32();
+       ret <<= 32;
+       ret += rand_u32();
+       return ret;
+}
+
+static inline u16 rand_u16(void)
+{
+       return (u16)(rand_u32());
+}
+
+static inline u8 rand_u8(void)
+{
+       return (u8)(rand_u32());
+}
+
+/* Return random number in range [0, limit) */
+unsigned int rand_range(unsigned int upper);
+
+/* Also allow setting the seed manually */
+void init_rand_seed(u64 seed);
+
 #endif