X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=utils.h;h=403de4810cd67f1ace607c6d26952428b37f74a6;hb=feccd7a8180f3f0f48ca23692ad5f71783163450;hp=2d2c23d2b87e30172f5566774b5e7130882760a2;hpb=7b1c567c84a6292c138db3bd1638e19e73e0e593;p=platform%2Fupstream%2Fbtrfs-progs.git diff --git a/utils.h b/utils.h index 2d2c23d..403de48 100644 --- a/utils.h +++ b/utils.h @@ -16,41 +16,177 @@ * Boston, MA 021110-1307, USA. */ -#ifndef __UTILS__ -#define __UTILS__ +#ifndef __BTRFS_UTILS_H__ +#define __BTRFS_UTILS_H__ +#include #include "ctree.h" +#include +#include +#include "common-defs.h" +#include "internal.h" +#include "btrfs-list.h" +#include "sizes.h" +#include "messages.h" +#include "ioctl.h" -#define BTRFS_MKFS_SYSTEM_GROUP_SIZE (4 * 1024 * 1024) +#define BTRFS_SCAN_MOUNTED (1ULL << 0) +#define BTRFS_SCAN_LBLKID (1ULL << 1) + +#define BTRFS_UPDATE_KERNEL 1 + +#define BTRFS_ARG_UNKNOWN 0 +#define BTRFS_ARG_MNTPOINT 1 +#define BTRFS_ARG_UUID 2 +#define BTRFS_ARG_BLKDEV 3 +#define BTRFS_ARG_REG 4 + +/* + * 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) +/* Interpret the u64 value as s64 */ +#define UNITS_NEGATIVE (4U << 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); + +#define PREP_DEVICE_ZERO_END (1U << 0) +#define PREP_DEVICE_DISCARD (1U << 1) +#define PREP_DEVICE_VERBOSE (1U << 2) + +#define SEEN_FSID_HASH_SIZE 256 +struct seen_fsid { + u8 fsid[BTRFS_FSID_SIZE]; + struct seen_fsid *next; + DIR *dirstream; + int fd; +}; -int make_btrfs(int fd, const char *device, const char *label, - u64 blocks[6], u64 num_bytes, u32 nodesize, - u32 leafsize, u32 sectorsize, u32 stripesize); 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 nodiscard); +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, + struct btrfs_root *root, int fd, const char *path, u64 block_count, u32 io_width, u32 io_align, u32 sectorsize); -int btrfs_scan_for_fsid(struct btrfs_fs_devices *fs_devices, u64 total_devs, - int run_ioctls); -void btrfs_register_one_device(char *fname); -int btrfs_scan_one_dir(char *dirname, int run_ioctl); +int btrfs_scan_for_fsid(int run_ioctls); +int btrfs_register_one_device(const char *fname); +int btrfs_register_all_devices(void); +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); int btrfs_device_already_in_root(struct btrfs_root *root, int fd, int super_offset); -char *pretty_sizes(u64 size); -int check_label(char *input); -int get_mountpt(char *dev, char *mntpt, size_t size); -int btrfs_scan_block_devices(int run_ioctl); + +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) +const char *pretty_size_mode(u64 size, unsigned mode); + u64 parse_size(char *s); -int open_file_or_dir(const char *fname); -int get_device_info(int fd, u64 devid, - struct btrfs_ioctl_dev_info_args *di_args); -int get_fs_info(int fd, char *path, struct btrfs_ioctl_fs_info_args *fi_args, +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); +int get_fs_info(const char *path, struct btrfs_ioctl_fs_info_args *fi_args, struct btrfs_ioctl_dev_info_args **di_ret); +int get_fsid(const char *path, u8 *fsid, int silent); + +int is_seen_fsid(u8 *fsid, struct seen_fsid *seen_fsid_hash[]); +int add_seen_fsid(u8 *fsid, struct seen_fsid *seen_fsid_hash[], + int fd, DIR *dirstream); +void free_seen_fsid(struct seen_fsid *seen_fsid_hash[]); + +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); +int is_block_device(const char *file); +int is_mount_point(const char *file); +int is_path_exist(const char *file); +int is_reg_file(const char *path); +int check_arg_type(const char *input); +int open_path_or_dev_mnt(const char *path, DIR **dirstream, int verbose); +int btrfs_open(const char *path, DIR **dirstream, int verbose, int dir_only); +int btrfs_open_dir(const char *path, DIR **dirstream, int verbose); +int btrfs_open_file_or_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 get_label_mounted(const char *mount_path, char *labelp); +int get_label_unmounted(const char *dev, char *label); +int group_profile_max_safe_loss(u64 flags); +int csum_tree_block(struct btrfs_fs_info *root, struct extent_buffer *buf, + int verify); +int ask_user(const char *question); +int lookup_path_rootid(int fd, u64 *rootid); +int btrfs_scan_devices(void); +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); +u64 disk_size(const char *path); +u64 get_partition_size(const char *dev); + +int test_issubvolname(const char *name); +int test_isdir(const char *path); + +const char *subvol_strip_mountpoint(const char *mnt, const char *full_path); +int find_next_key(struct btrfs_path *path, struct btrfs_key *key); +const char* btrfs_group_type_str(u64 flag); +const char* btrfs_group_profile_str(u64 flag); + +int count_digits(u64 num); +u64 div_factor(u64 num, int factor); + +int btrfs_tree_search2_ioctl_supported(int fd); + +unsigned int get_unit_mode_from_arg(int *argc, char *argv[], int df_mode); +int string_is_numerical(const char *str); +int prefixcmp(const char *str, const char *prefix); + +unsigned long total_memory(void); + +void print_device_info(struct btrfs_device *device, char *prefix); +void print_all_devices(struct list_head *devices); + +/* + * Global program state, configurable by command line and available to + * functions without extra context passing. + */ +struct btrfs_config { +}; +extern struct btrfs_config bconf; + +void btrfs_config_init(void); + +/* Pseudo random number generator wrappers */ +int rand_int(void); +u8 rand_u8(void); +u16 rand_u16(void); +u32 rand_u32(void); +u64 rand_u64(void); +unsigned int rand_range(unsigned int upper); +void init_rand_seed(u64 seed); + #endif