From e74589ac250e463973361774a90fee2c9d71da02 Mon Sep 17 00:00:00 2001 From: Anton Altaparmakov <aia21@cantab.net> Date: Tue, 16 Aug 2005 16:38:28 +0100 Subject: [PATCH] =?UTF-8?q?NTFS:=20Fix=20bug=20in=20mft=20record=20writing?= =?UTF-8?q?=20where=20we=20forgot=20to=20set=20the=20device=20in=20=20=20?= =?UTF-8?q?=20=20=20=20the=20buffers=20when=20mapping=20them=20after=20the?= =?UTF-8?q?=20VM=20had=20discarded=20them.=20=20=20=20=20=20=20Thanks=20to?= =?UTF-8?q?=20Martin=20MOKREJ=C5=A0=20for=20the=20bug=20report.?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Anton Altaparmakov <aia21@cantab.net> --- fs/ntfs/ChangeLog | 3 +++ fs/ntfs/mft.c | 2 ++ 2 files changed, 5 insertions(+) diff --git a/fs/ntfs/ChangeLog b/fs/ntfs/ChangeLog index 9709fac6531dd..21e21fe519e26 100644 --- a/fs/ntfs/ChangeLog +++ b/fs/ntfs/ChangeLog @@ -174,6 +174,9 @@ ToDo/Notes: fact that the vfs and ntfs inodes are one struct in memory to find the ntfs inode in memory if present. Also, the ntfs inode has its own locking so it does not matter if the vfs inode is locked. + - 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. 2.1.22 - Many bug and race fixes and error handling improvements. diff --git a/fs/ntfs/mft.c b/fs/ntfs/mft.c index ac9ff39aa8343..317f7c679fd3b 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); -- GitLab