btrfs-progs: remove BTRFS_SCAN_DEV and btrfs_scan_one_dir

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

diff --git a/utils.h b/utils.h
index 4cfd315..d3cfcaa 100644 (file)
--- a/utils.h
+++ b/utils.h
@@ -24,11 +24,11 @@
 #include <dirent.h>
 
 #define BTRFS_MKFS_SYSTEM_GROUP_SIZE (4 * 1024 * 1024)
+#define BTRFS_MKFS_SMALL_VOLUME_SIZE (1024 * 1024 * 1024)
 
 #define BTRFS_SCAN_PROC                (1ULL << 0)
-#define BTRFS_SCAN_DEV         (1ULL << 1)
-#define BTRFS_SCAN_MOUNTED     (1ULL << 2)
-#define BTRFS_SCAN_LBLKID      (1ULL << 3)
+#define BTRFS_SCAN_MOUNTED     (1ULL << 1)
+#define BTRFS_SCAN_LBLKID      (1ULL << 2)
 
 #define BTRFS_UPDATE_KERNEL    1
 
@@ -39,6 +39,15 @@
 
 #define BTRFS_UUID_UNPARSED_SIZE       37
 
+#define ARGV0_BUF_SIZE 64
+
+int check_argc_exact(int nargs, int expected);
+int check_argc_min(int nargs, int expected);
+int check_argc_max(int nargs, int expected);
+
+void fixup_argv0(char **argv, const char *token);
+void set_argv0(char **argv);
+
 int make_btrfs(int fd, const char *device, const char *label,
               char *fs_uuid, u64 blocks[6], u64 num_bytes, u32 nodesize,
               u32 leafsize, u32 sectorsize, u32 stripesize, u64 features);
@@ -52,7 +61,8 @@ int btrfs_add_to_fsid(struct btrfs_trans_handle *trans,
                      u32 sectorsize);
 int btrfs_scan_for_fsid(int run_ioctls);
 void btrfs_register_one_device(char *fname);
-int btrfs_scan_one_dir(char *dirname, int run_ioctl);
+char *canonicalize_dm_name(const char *ptname);
+char *canonicalize_path(const char *path);
 int check_mounted(const char *devicename);
 int check_mounted_where(int fd, const char *file, char *where, int size,
                        struct btrfs_fs_devices **fs_devices_mnt);
@@ -103,4 +113,28 @@ int get_device_info(int fd, u64 devid,
                struct btrfs_ioctl_dev_info_args *di_args);
 int test_uuid_unique(char *fs_uuid);
 
+int test_minimum_size(const char *file, u32 leafsize);
+int test_issubvolname(const char *name);
+int test_isdir(const char *path);
+
+/*
+ * Btrfs minimum size calculation is complicated, it should include at least:
+ * 1. system group size
+ * 2. minimum global block reserve
+ * 3. metadata used at mkfs
+ * 4. space reservation to create uuid for first mount.
+ * Also, raid factor should also be taken into consideration.
+ * To avoid the overkill calculation, (system group + global block rsv) * 2
+ * for *EACH* device should be good enough.
+ */
+static inline u64 btrfs_min_global_blk_rsv_size(u32 leafsize)
+{
+       return leafsize << 10;
+}
+static inline u64 btrfs_min_dev_size(u32 leafsize)
+{
+       return 2 * (BTRFS_MKFS_SYSTEM_GROUP_SIZE +
+                   btrfs_min_global_blk_rsv_size(leafsize));
+}
+
 #endif