Btrfs-progs: check, ability to detect and fix outdated snapshot root items

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

diff --git a/utils.h b/utils.h
index e3d80c1..7accbd2 100644 (file)
--- a/utils.h
+++ b/utils.h
@@ -26,10 +26,8 @@
 #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 << 0)
+#define BTRFS_SCAN_LBLKID      (1ULL << 1)
 
 #define BTRFS_UPDATE_KERNEL    1
 
@@ -49,6 +47,28 @@ int check_argc_max(int nargs, int expected);
 void fixup_argv0(char **argv, const char *token);
 void set_argv0(char **argv);
 
+/*
+ * Output modes of size
+ */
+#define UNITS_RESERVED                 (0)
+#define UNITS_BYTES                    (1)
+#define UNITS_KBYTES                   (2)
+#define UNITS_MBYTES                   (3)
+#define UNITS_GBYTES                   (4)
+#define UNITS_TBYTES                   (5)
+#define UNITS_RAW                      (1U << UNITS_MODE_SHIFT)
+#define UNITS_BINARY                   (2U << UNITS_MODE_SHIFT)
+#define UNITS_DECIMAL                  (3U << UNITS_MODE_SHIFT)
+#define UNITS_MODE_MASK                        ((1U << UNITS_MODE_SHIFT) - 1)
+#define UNITS_MODE_SHIFT               (8)
+#define UNITS_HUMAN_BINARY             (UNITS_BINARY)
+#define UNITS_HUMAN_DECIMAL            (UNITS_DECIMAL)
+#define UNITS_HUMAN                    (UNITS_HUMAN_BINARY)
+#define UNITS_DEFAULT                  (UNITS_HUMAN)
+
+void units_set_mode(unsigned *units, unsigned mode);
+void units_set_base(unsigned *units, unsigned base);
+
 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);
@@ -62,7 +82,6 @@ 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);
@@ -71,12 +90,13 @@ int check_mounted_where(int fd, const char *file, char *where, int size,
 int btrfs_device_already_in_root(struct btrfs_root *root, int fd,
                                 int super_offset);
 
-int pretty_size_snprintf(u64 size, char *str, size_t str_bytes);
-#define pretty_size(size)                                              \
-       ({                                                              \
-               static __thread char _str[24];                          \
-               (void)pretty_size_snprintf((size), _str, sizeof(_str)); \
-               _str;                                                   \
+int pretty_size_snprintf(u64 size, char *str, size_t str_bytes, unsigned unit_mode);
+#define pretty_size(size)      pretty_size_mode(size, UNITS_DEFAULT)
+#define pretty_size_mode(size, mode)                                         \
+       ({                                                                    \
+               static __thread char _str[32];                                \
+               (void)pretty_size_snprintf((size), _str, sizeof(_str), (mode)); \
+               _str;                                                         \
        })
 
 int get_mountpt(char *dev, char *mntpt, size_t size);
@@ -99,7 +119,6 @@ u64 btrfs_device_size(int fd, struct stat *st);
 /* Helper to always get proper size of the destination string */
 #define strncpy_null(dest, src) __strncpy__null(dest, src, sizeof(dest))
 int test_dev_for_mkfs(char *file, int force_overwrite, char *estr);
-int scan_for_btrfs(int where, int update_kernel);
 int get_label_mounted(const char *mount_path, char *labelp);
 int test_num_disk_vs_raid(u64 metadata_profile, u64 data_profile,
        u64 dev_cnt, int mixed, char *estr);
@@ -117,6 +136,7 @@ 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:
@@ -138,4 +158,6 @@ static inline u64 btrfs_min_dev_size(u32 leafsize)
                    btrfs_min_global_blk_rsv_size(leafsize));
 }
 
+int find_next_key(struct btrfs_path *path, struct btrfs_key *key);
+
 #endif