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 3c62066..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
 
@@ -39,8 +39,17 @@
 
 #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,
-              u64 blocks[6], u64 num_bytes, u32 nodesize,
+              char *fs_uuid, u64 blocks[6], u64 num_bytes, u32 nodesize,
               u32 leafsize, u32 sectorsize, u32 stripesize, u64 features);
 int btrfs_make_root_dir(struct btrfs_trans_handle *trans,
                        struct btrfs_root *root, u64 objectid);
@@ -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);
@@ -72,6 +82,7 @@ int btrfs_scan_block_devices(int run_ioctl);
 u64 parse_size(char *s);
 u64 arg_strtou64(const char *str);
 int open_file_or_dir(const char *fname, DIR **dirstream);
+int open_file_or_dir3(const char *fname, DIR **dirstream, int open_flags);
 void close_file_or_dir(int fd, DIR *dirstream);
 int get_fs_info(char *path, struct btrfs_ioctl_fs_info_args *fi_args,
                struct btrfs_ioctl_dev_info_args **di_ret);
@@ -100,5 +111,30 @@ int get_btrfs_mount(const char *dev, char *mp, size_t mp_size);
 int find_mount_root(const char *path, char **mount_root);
 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