NTFS: Fix bug in mft record writing where we forgot to set the device in

      the buffers when mapping them after the VM had discarded them.
      Thanks to Martin MOKREJŠ for the bug report.

Signed-off-by: Anton Altaparmakov <aia21@cantab.net>

1 files changed, 2 insertions, 0 deletions

diff --git a/fs/ntfs/mft.c b/fs/ntfs/mft.c
index ac9ff39aa834..317f7c679fd3 100644
--- a/fs/ntfs/mft.c
+++ b/fs/ntfs/mft.c
@@ -533,6 +533,7 @@ int ntfs_sync_mft_mirror(ntfs_volume *vol, const unsigned long mft_no,
                         LCN lcn;
                         unsigned int vcn_ofs;
 
+                        bh->b_bdev = vol->sb->s_bdev;
                         /* Obtain the vcn and offset of the current block. */
                         vcn = ((VCN)mft_no << vol->mft_record_size_bits) +
                                         (block_start - m_start);
@@ -725,6 +726,7 @@ int write_mft_record_nolock(ntfs_inode *ni, MFT_RECORD *m, int sync)
                         LCN lcn;
                         unsigned int vcn_ofs;
 
+                        bh->b_bdev = vol->sb->s_bdev;
                         /* Obtain the vcn and offset of the current block. */
                         vcn = ((VCN)ni->mft_no << vol->mft_record_size_bits) +
                                         (block_start - m_start);