btrfs-progs: close all fs_devices before exit in some commands
[platform/upstream/btrfs-progs.git] / utils.h
diff --git a/utils.h b/utils.h
index 5657c74..94606ed 100644 (file)
--- a/utils.h
+++ b/utils.h
                (BTRFS_FEATURE_INCOMPAT_EXTENDED_IREF           \
                | BTRFS_FEATURE_INCOMPAT_SKINNY_METADATA)
 
+/*
+ * Avoid multi-device features (RAID56) and mixed block groups
+ */
+#define BTRFS_CONVERT_ALLOWED_FEATURES                         \
+       (BTRFS_FEATURE_INCOMPAT_MIXED_BACKREF                   \
+       | BTRFS_FEATURE_INCOMPAT_DEFAULT_SUBVOL                 \
+       | BTRFS_FEATURE_INCOMPAT_COMPRESS_LZO                   \
+       | BTRFS_FEATURE_INCOMPAT_COMPRESS_LZOv2                 \
+       | BTRFS_FEATURE_INCOMPAT_BIG_METADATA                   \
+       | BTRFS_FEATURE_INCOMPAT_EXTENDED_IREF                  \
+       | BTRFS_FEATURE_INCOMPAT_SKINNY_METADATA                \
+       | BTRFS_FEATURE_INCOMPAT_NO_HOLES)
+
 #define BTRFS_FEATURE_LIST_ALL         (1ULL << 63)
 
 #define BTRFS_SCAN_MOUNTED     (1ULL << 0)
@@ -56,6 +69,8 @@
 #define GETOPT_VAL_GBYTES                      262
 #define GETOPT_VAL_TBYTES                      263
 
+#define GETOPT_VAL_HELP                                270
+
 int check_argc_exact(int nargs, int expected);
 int check_argc_min(int nargs, int expected);
 int check_argc_max(int nargs, int expected);
@@ -88,10 +103,20 @@ void units_set_base(unsigned *units, unsigned base);
 void btrfs_list_all_fs_features(u64 mask_disallowed);
 char* btrfs_parse_fs_features(char *namelist, u64 *flags);
 void btrfs_process_fs_features(u64 flags);
-
-int make_btrfs(int fd, const char *device, const char *label,
-              char *fs_uuid, u64 blocks[6], u64 num_bytes, u32 nodesize,
-              u32 sectorsize, u32 stripesize, u64 features);
+void btrfs_parse_features_to_string(char *buf, u64 flags);
+
+struct btrfs_mkfs_config {
+       char *label;
+       char *fs_uuid;
+       u64 blocks[8];
+       u64 num_bytes;
+       u32 nodesize;
+       u32 sectorsize;
+       u32 stripesize;
+       u64 features;
+};
+
+int make_btrfs(int fd, struct btrfs_mkfs_config *cfg);
 int btrfs_make_root_dir(struct btrfs_trans_handle *trans,
                        struct btrfs_root *root, u64 objectid);
 int btrfs_prepare_device(int fd, char *file, int zero_end, u64 *block_count_ret,
@@ -113,17 +138,13 @@ int btrfs_device_already_in_root(struct btrfs_root *root, int fd,
 
 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;                                                         \
-       })
+const char *pretty_size_mode(u64 size, unsigned mode);
 
 int get_mountpt(char *dev, char *mntpt, size_t size);
 u64 parse_size(char *s);
 u64 parse_qgroupid(const char *p);
 u64 arg_strtou64(const char *str);
+int arg_copy_path(char *dest, const char *src, int destlen);
 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);
@@ -140,10 +161,11 @@ int open_path_or_dev_mnt(const char *path, DIR **dirstream);
 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 test_dev_for_mkfs(char *file, int force_overwrite);
 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);
+       u64 dev_cnt, int mixed);
+int group_profile_max_safe_loss(u64 flags);
 int is_vol_small(char *file);
 int csum_tree_block(struct btrfs_root *root, struct extent_buffer *buf,
                           int verify);
@@ -220,4 +242,6 @@ static inline u64 div_factor(u64 num, int factor)
 int btrfs_tree_search2_ioctl_supported(int fd);
 int btrfs_check_nodesize(u32 nodesize, u32 sectorsize);
 
+const char *get_argv0_buf(void);
+
 #endif