#include "internal.h"
#include "btrfs-list.h"
#include "sizes.h"
-
-#define BTRFS_CONVERT_META_GROUP_SIZE SZ_32M
+#include "messages.h"
+#include "ioctl.h"
#define BTRFS_SCAN_MOUNTED (1ULL << 0)
#define BTRFS_SCAN_LBLKID (1ULL << 1)
#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 btrfs_make_root_dir(struct btrfs_trans_handle *trans,
struct btrfs_root *root, u64 objectid);
int btrfs_prepare_device(int fd, const char *file, u64 *block_count_ret,
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_root *root, struct extent_buffer *buf,
- int verify);
+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);
u64 get_partition_size(const char *dev);
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);
-
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);
-/*
- * 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;
-}
-
-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);
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);
-#if DEBUG_VERBOSE_ERROR
-#define PRINT_VERBOSE_ERROR fprintf(stderr, "%s:%d:", __FILE__, __LINE__)
-#else
-#define PRINT_VERBOSE_ERROR
-#endif
-
-#if DEBUG_TRACE_ON_ERROR
-#define PRINT_TRACE_ON_ERROR print_trace()
-#else
-#define PRINT_TRACE_ON_ERROR
-#endif
-
-#if DEBUG_ABORT_ON_ERROR
-#define DO_ABORT_ON_ERROR abort()
-#else
-#define DO_ABORT_ON_ERROR
-#endif
-
-#define error(fmt, ...) \
- do { \
- PRINT_TRACE_ON_ERROR; \
- PRINT_VERBOSE_ERROR; \
- __error((fmt), ##__VA_ARGS__); \
- DO_ABORT_ON_ERROR; \
- } while (0)
-
-#define error_on(cond, fmt, ...) \
- do { \
- if ((cond)) \
- PRINT_TRACE_ON_ERROR; \
- if ((cond)) \
- PRINT_VERBOSE_ERROR; \
- __error_on((cond), (fmt), ##__VA_ARGS__); \
- if ((cond)) \
- DO_ABORT_ON_ERROR; \
- } while (0)
-
-#define warning(fmt, ...) \
- do { \
- PRINT_TRACE_ON_ERROR; \
- PRINT_VERBOSE_ERROR; \
- __warning((fmt), ##__VA_ARGS__); \
- } while (0)
+unsigned long total_memory(void);
-#define warning_on(cond, fmt, ...) \
- do { \
- if ((cond)) \
- PRINT_TRACE_ON_ERROR; \
- if ((cond)) \
- PRINT_VERBOSE_ERROR; \
- __warning_on((cond), (fmt), ##__VA_ARGS__); \
- } while (0)
+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
void btrfs_config_init(void);
-__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 */
+int rand_int(void);
+u8 rand_u8(void);
+u16 rand_u16(void);
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) */
+u64 rand_u64(void);
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