在 2026/9/24 09:45, Xuewen Wang 写道:
> This series fixes four bugs in the MFT bitmap extension path:
>
> - The adjacent-cluster candidate can be outside the volume. Check it
> before accessing $Bitmap and fall back to the regular allocator.
> - The allocator can return an adjacent cluster that merges with the
> existing run. Preserve that run when rolling back a failed extension.
> - Rollback can wait for the initial $Bitmap scan while holding a folio
> the scanner needs. Wait for the scan before starting the allocation.
> - Direct allocation changes $Bitmap without updating the cached free
> counts. Update both counts and honor per-page accounting and space
> reserved for delayed allocation.
>
> Xuewen Wang (4):
> ntfs: bound the adjacent cluster in MFT bitmap extension
> ntfs: fix rollback after MFT bitmap run coalescing
> ntfs: wait for the bitmap scan before MFT bitmap extension
> ntfs: account for direct MFT bitmap cluster allocation
>
> fs/ntfs/mft.c | 26 +++++++++++++++++++++++---
> 1 file changed, 23 insertions(+), 3 deletions(-)
>
The series looks good to me.
Reviewed-by: Baolin Liu <liubaolin@kylinos.cn>