#include "internal.h"
#include "btrfs-list.h"
#include "sizes.h"
-
-#define BTRFS_MKFS_SYSTEM_GROUP_SIZE SZ_4M
-#define BTRFS_MKFS_SMALL_VOLUME_SIZE SZ_1G
-#define BTRFS_MKFS_DEFAULT_NODE_SIZE SZ_16K
-#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_CONVERT_META_GROUP_SIZE SZ_32M
-
-#define BTRFS_FEATURE_LIST_ALL (1ULL << 63)
+#include "messages.h"
+#include "ioctl.h"
#define BTRFS_SCAN_MOUNTED (1ULL << 0)
#define BTRFS_SCAN_LBLKID (1ULL << 1)
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);
-void print_kernel_version(FILE *stream, u32 version);
-u32 get_running_kernel_version(void);
-
-struct btrfs_mkfs_config;
-
-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_convert_btrfs(int fd, struct btrfs_mkfs_config *cfg,
- struct btrfs_convert_context *cctx);
+#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 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, int ssd);
int group_profile_max_safe_loss(u64 flags);
-int is_vol_small(const char *file);
-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 disk_size(const char *path);
u64 get_partition_size(const char *dev);
-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
- * 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 nodesize)
-{
- return (u64)nodesize << 10;
-}
-
-static inline u64 btrfs_min_dev_size(u32 nodesize)
-{
- return 2 * (BTRFS_MKFS_SYSTEM_GROUP_SIZE +
- btrfs_min_global_blk_rsv_size(nodesize));
-}
-
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);
-int btrfs_check_nodesize(u32 nodesize, u32 sectorsize, u64 features);
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)
+unsigned long total_memory(void);
-#define warning(fmt, ...) \
- do { \
- PRINT_TRACE_ON_ERROR; \
- PRINT_VERBOSE_ERROR; \
- __warning((fmt), ##__VA_ARGS__); \
- } while (0)
-
-#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