int ntfs_mft_bitmap_extend_allocation_nolock (ntfs_volume * vol);
Extend the mft bitmap attribute on the ntfs volume vol by one cluster.
Only changes allocated_size, i.e. does not touch initialized_size or data_size.
Return 0 on success and -errno on error.
- Caller must hold vol->mftbmp_lock for writing. - This function takes NTFS_I(vol->mftbmp_ino)->runlist.lock for writing and releases it before returning. - This function takes vol->lcnbmp_lock for writing and releases it before returning.