X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=utils.h;h=58121ced5631af8543452f165f9ddd3a651bc926;hb=ea5052e51f1a284b34a2550b67b465927348fac8;hp=192f3d1cb58ff905e739e8992300784538d3f793;hpb=ece0e1ea036e6d1c952f304ff74762a12786c37f;p=platform%2Fupstream%2Fbtrfs-progs.git diff --git a/utils.h b/utils.h index 192f3d1..58121ce 100644 --- a/utils.h +++ b/utils.h @@ -22,6 +22,9 @@ #include #include "ctree.h" #include +#include +#include "internal.h" +#include "btrfs-list.h" #define BTRFS_MKFS_SYSTEM_GROUP_SIZE (4 * 1024 * 1024) #define BTRFS_MKFS_SMALL_VOLUME_SIZE (1024 * 1024 * 1024) @@ -43,6 +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) @@ -108,19 +113,50 @@ void btrfs_parse_features_to_string(char *buf, u64 flags); struct btrfs_mkfs_config { char *label; char *fs_uuid; + char *chunk_uuid; u64 blocks[8]; u64 num_bytes; u32 nodesize; u32 sectorsize; u32 stripesize; u64 features; + + /* Super bytenr after make_btrfs */ + 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; +}; + +#define PREP_DEVICE_ZERO_END (1U << 0) +#define PREP_DEVICE_DISCARD (1U << 1) +#define PREP_DEVICE_VERBOSE (1U << 2) + +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, char *file, int zero_end, u64 *block_count_ret, - u64 max_block_count, int *mixed, int discard); +int btrfs_prepare_device(int fd, const char *file, u64 *block_count_ret, + u64 max_block_count, unsigned opflags); int btrfs_add_to_fsid(struct btrfs_trans_handle *trans, struct btrfs_root *root, int fd, char *path, u64 block_count, u32 io_width, u32 io_align, @@ -153,25 +189,25 @@ int get_fs_info(char *path, struct btrfs_ioctl_fs_info_args *fi_args, int get_label(const char *btrfs_dev, char *label); int set_label(const char *btrfs_dev, const char *label); -char *__strncpy__null(char *dest, const char *src, size_t n); +char *__strncpy_null(char *dest, const char *src, size_t n); int is_block_device(const char *file); int is_mount_point(const char *file); int check_arg_type(const char *input); -int open_path_or_dev_mnt(const char *path, DIR **dirstream); +int open_path_or_dev_mnt(const char *path, DIR **dirstream, int verbose); int btrfs_open_dir(const char *path, DIR **dirstream, int verbose); 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); +#define strncpy_null(dest, src) __strncpy_null(dest, src, sizeof(dest)) +int test_dev_for_mkfs(const char *file, int force_overwrite); int get_label_mounted(const char *mount_path, char *labelp); int get_label_unmounted(const char *dev, char *label); int test_num_disk_vs_raid(u64 metadata_profile, u64 data_profile, - u64 dev_cnt, int mixed); + u64 dev_cnt, int mixed, int ssd); int group_profile_max_safe_loss(u64 flags); -int is_vol_small(char *file); +int is_vol_small(const char *file); int csum_tree_block(struct btrfs_root *root, struct extent_buffer *buf, int verify); -int ask_user(char *question); +int ask_user(const char *question); int lookup_ino_rootid(int fd, u64 *rootid); int btrfs_scan_lblkid(void); int get_btrfs_mount(const char *dev, char *mp, size_t mp_size); @@ -179,17 +215,17 @@ 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); -u64 disk_size(char *path); -int get_device_info(int fd, u64 devid, - struct btrfs_ioctl_dev_info_args *di_args); -u64 get_partition_size(char *dev); -const char* group_type_str(u64 flags); -const char* group_profile_str(u64 flags); +u64 disk_size(const char *path); +u64 get_partition_size(const char *dev); -int test_minimum_size(const char *file, u32 leafsize); +int test_minimum_size(const char *file, u32 nodesize); int test_issubvolname(const char *name); +int test_issubvolume(const char *path); int test_isdir(const char *path); +const char *subvol_strip_mountpoint(const char *mnt, const char *full_path); +int get_subvol_info(const char *fullpath, struct root_info *get_ri); + /* * Btrfs minimum size calculation is complicated, it should include at least: * 1. system group size @@ -200,19 +236,20 @@ int test_isdir(const char *path); * 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) +static inline u64 btrfs_min_global_blk_rsv_size(u32 nodesize) { - return leafsize << 10; + return (u64)nodesize << 10; } -static inline u64 btrfs_min_dev_size(u32 leafsize) + +static inline u64 btrfs_min_dev_size(u32 nodesize) { return 2 * (BTRFS_MKFS_SYSTEM_GROUP_SIZE + - btrfs_min_global_blk_rsv_size(leafsize)); + btrfs_min_global_blk_rsv_size(nodesize)); } int find_next_key(struct btrfs_path *path, struct btrfs_key *key); -char* btrfs_group_type_str(u64 flag); -char* btrfs_group_profile_str(u64 flag); +const char* btrfs_group_type_str(u64 flag); +const char* btrfs_group_profile_str(u64 flag); /* * Get the length of the string converted from a u64 number. @@ -246,7 +283,7 @@ int btrfs_check_nodesize(u32 nodesize, u32 sectorsize, u64 features); const char *get_argv0_buf(void); -#define HELPINFO_OUTPUT_UNIT \ +#define HELPINFO_UNITS_LONG \ "--raw raw numbers in bytes", \ "--human-readable human friendly numbers, base 1024 (default)", \ "--iec use 1024 as a base (KiB, MiB, GiB, TiB)", \ @@ -256,7 +293,7 @@ const char *get_argv0_buf(void); "--gbytes show sizes in GiB, or GB with --si", \ "--tbytes show sizes in TiB, or TB with --si" -#define HELPINFO_OUTPUT_UNIT_DF \ +#define HELPINFO_UNITS_SHORT_LONG \ "-b|--raw raw numbers in bytes", \ "-h|--human-readable", \ " human friendly numbers, base 1024 (default)", \ @@ -269,5 +306,101 @@ const char *get_argv0_buf(void); "-t|--tbytes show sizes in TiB, or TB with --si" 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))) +static inline void warning(const char *fmt, ...) +{ + va_list args; + + fputs("WARNING: ", stderr); + va_start(args, fmt); + vfprintf(stderr, fmt, args); + va_end(args); + fputc('\n', stderr); +} + +__attribute__ ((format (printf, 1, 2))) +static inline void error(const char *fmt, ...) +{ + va_list args; + + fputs("ERROR: ", stderr); + va_start(args, fmt); + vfprintf(stderr, fmt, args); + va_end(args); + fputc('\n', stderr); +} + +__attribute__ ((format (printf, 2, 3))) +static inline int warning_on(int condition, const char *fmt, ...) +{ + va_list args; + + if (!condition) + return 0; + + fputs("WARNING: ", stderr); + va_start(args, fmt); + vfprintf(stderr, fmt, args); + va_end(args); + fputc('\n', stderr); + + return 1; +} + +__attribute__ ((format (printf, 2, 3))) +static inline int error_on(int condition, const char *fmt, ...) +{ + va_list args; + + if (!condition) + return 0; + + fputs("ERROR: ", stderr); + va_start(args, fmt); + vfprintf(stderr, fmt, args); + va_end(args); + fputc('\n', stderr); + + 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