diff options
Diffstat (limited to 'utils.h')
| -rw-r--r-- | utils.h | 12 |
1 files changed, 12 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 +69,12 @@ 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; +}; + 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, @@ -101,6 +108,11 @@ 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[]); +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); |