#include <sys/stat.h>
#include "ctree.h"
#include <dirent.h>
+#include <stdarg.h>
+#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)
| 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)
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,
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);
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
* 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.
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)", \
"--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)", \
"-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
projects / platform / upstream / btrfs-progs.git / blobdiff