#include <sys/stat.h>
#include "ctree.h"
#include <dirent.h>
-
-#define BTRFS_MKFS_SYSTEM_GROUP_SIZE (4 * 1024 * 1024)
-#define BTRFS_MKFS_SMALL_VOLUME_SIZE (1024 * 1024 * 1024)
-#define BTRFS_MKFS_DEFAULT_NODE_SIZE 16384
-#define BTRFS_MKFS_DEFAULT_FEATURES \
- (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)
+#include <stdarg.h>
+#include "common-defs.h"
+#include "internal.h"
+#include "btrfs-list.h"
+#include "sizes.h"
+#include "messages.h"
+#include "ioctl.h"
#define BTRFS_SCAN_MOUNTED (1ULL << 0)
#define BTRFS_SCAN_LBLKID (1ULL << 1)
#define BTRFS_ARG_BLKDEV 3
#define BTRFS_ARG_REG 4
-#define BTRFS_UUID_UNPARSED_SIZE 37
-
-#define ARGV0_BUF_SIZE PATH_MAX
-
-#define GETOPT_VAL_SI 256
-#define GETOPT_VAL_IEC 257
-#define GETOPT_VAL_RAW 258
-#define GETOPT_VAL_HUMAN_READABLE 259
-#define GETOPT_VAL_KBYTES 260
-#define GETOPT_VAL_MBYTES 261
-#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);
-
-void fixup_argv0(char **argv, const char *token);
-void set_argv0(char **argv);
-
/*
* Output modes of size
*/
#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)
void units_set_mode(unsigned *units, unsigned mode);
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);
-void btrfs_parse_features_to_string(char *buf, u64 flags);
+#define PREP_DEVICE_ZERO_END (1U << 0)
+#define PREP_DEVICE_DISCARD (1U << 1)
+#define PREP_DEVICE_VERBOSE (1U << 2)
-struct btrfs_mkfs_config {
- char *label;
- char *fs_uuid;
- u64 blocks[8];
- u64 num_bytes;
- u32 nodesize;
- u32 sectorsize;
- u32 stripesize;
- u64 features;
+#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, 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,
- 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,
+ 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(int run_ioctls);
#define pretty_size(size) pretty_size_mode(size, UNITS_DEFAULT)
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 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,
+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);
+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 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 test_dev_for_mkfs(char *file, int force_overwrite);
+#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 test_num_disk_vs_raid(u64 metadata_profile, u64 data_profile,
- 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);
-int ask_user(char *question);
-int lookup_ino_rootid(int fd, u64 *rootid);
-int btrfs_scan_lblkid(void);
+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(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_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));
-}
-
+const char *subvol_strip_mountpoint(const char *mnt, const char *full_path);
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);
-
-/*
- * Get the length of the string converted from a u64 number.
- *
- * Result is equal to log10(num) + 1, but without the use of math library.
- */
-static inline int count_digits(u64 num)
-{
- int ret = 0;
-
- if (num == 0)
- return 1;
- while (num > 0) {
- ret++;
- num /= 10;
- }
- return ret;
-}
+const char* btrfs_group_type_str(u64 flag);
+const char* btrfs_group_profile_str(u64 flag);
-static inline u64 div_factor(u64 num, int factor)
-{
- if (factor == 10)
- return num;
- num *= factor;
- num /= 10;
- return num;
-}
+int count_digits(u64 num);
+u64 div_factor(u64 num, int factor);
int btrfs_tree_search2_ioctl_supported(int fd);
-int btrfs_check_nodesize(u32 nodesize, u32 sectorsize, u64 features);
-const char *get_argv0_buf(void);
+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);
-#define HELPINFO_OUTPUT_UNIT \
- "--raw raw numbers in bytes", \
- "--human-readable human friendly numbers, base 1024 (default)", \
- "--iec use 1024 as a base (KiB, MiB, GiB, TiB)", \
- "--si use 1000 as a base (kB, MB, GB, TB)", \
- "--kbytes show sizes in KiB, or kB with --si", \
- "--mbytes show sizes in MiB, or MB with --si", \
- "--gbytes show sizes in GiB, or GB with --si", \
- "--tbytes show sizes in TiB, or TB with --si"
+unsigned long total_memory(void);
-#define HELPINFO_OUTPUT_UNIT_DF \
- "-b|--raw raw numbers in bytes", \
- "-h|--human-readable", \
- " human friendly numbers, base 1024 (default)", \
- "-H human friendly numbers, base 1000", \
- "--iec use 1024 as a base (KiB, MiB, GiB, TiB)", \
- "--si use 1000 as a base (kB, MB, GB, TB)", \
- "-k|--kbytes show sizes in KiB, or kB with --si", \
- "-m|--mbytes show sizes in MiB, or MB with --si", \
- "-g|--gbytes show sizes in GiB, or GB with --si", \
- "-t|--tbytes show sizes in TiB, or TB with --si"
+void print_device_info(struct btrfs_device *device, char *prefix);
+void print_all_devices(struct list_head *devices);
-unsigned int get_unit_mode_from_arg(int *argc, char *argv[], int df_mode);
+/*
+ * 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
projects / platform / upstream / btrfs-progs.git / blobdiff