diff options
Diffstat (limited to 'libbtrfsutil/btrfsutil.h')
| -rw-r--r-- | libbtrfsutil/btrfsutil.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/libbtrfsutil/btrfsutil.h b/libbtrfsutil/btrfsutil.h index ccb2c177..6717b65f 100644 --- a/libbtrfsutil/btrfsutil.h +++ b/libbtrfsutil/btrfsutil.h @@ -450,6 +450,39 @@ enum btrfs_util_error btrfs_util_create_snapshot_fd2(int fd, int parent_fd, uint64_t *async_transid, struct btrfs_util_qgroup_inherit *qgroup_inherit); +/** + * BTRFS_UTIL_DELETE_SUBVOLUME_RECURSIVE - Delete subvolumes beneath the given + * subvolume before attempting to delete the given subvolume. + * + * If this flag is not used, deleting a subvolume with child subvolumes is an + * error. Note that this is currently implemented in userspace non-atomically. + * It requires appropriate privilege (CAP_SYS_ADMIN). + */ +#define BTRFS_UTIL_DELETE_SUBVOLUME_RECURSIVE (1 << 0) +#define BTRFS_UTIL_DELETE_SUBVOLUME_MASK ((1 << 1) - 1) + +/** + * btrfs_util_delete_subvolume() - Delete a subvolume or snapshot. + * @path: Path of the subvolume to delete. + * @flags: Bitmask of BTRFS_UTIL_DELETE_SUBVOLUME_* flags. + * + * Return: %BTRFS_UTIL_OK on success, non-zero error code on failure. + */ +enum btrfs_util_error btrfs_util_delete_subvolume(const char *path, int flags); + +/** + * btrfs_util_delete_subvolume_fd() - Delete a subvolume or snapshot given its + * parent and name. + * @parent_fd: File descriptor of the subvolume's parent directory. + * @name: Name of the subvolume. + * @flags: See btrfs_util_delete_subvolume(). + * + * Return: %BTRFS_UTIL_OK on success, non-zero error code on failure. + */ +enum btrfs_util_error btrfs_util_delete_subvolume_fd(int parent_fd, + const char *name, + int flags); + struct btrfs_util_subvolume_iterator; /** |