diff options
Diffstat (limited to 'utils.h')
| -rw-r--r-- | utils.h | 20 |
1 files changed, 20 insertions, 0 deletions
@@ -28,6 +28,7 @@ #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) @@ -68,6 +69,14 @@ void units_set_base(unsigned *units, unsigned base); #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, @@ -100,6 +109,13 @@ 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); @@ -108,7 +124,9 @@ 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 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)) @@ -151,6 +169,8 @@ 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); + /* * Global program state, configurable by command line and available to * functions without extra context passing. |