Trever L. Adams
trever.adams at gmail.com
Fri Aug 29 07:46:18 UTC 2008
Eric Sandeen wrote:
> So, in the course of other things, I found a way to reproduce this
> error. And, just for mailing-list-posterity, it seems to be fixed,
> upstream, with:
> commit 0bf7e8379ce7e0159a2a6bd3d937f2f6ada79799
> Author: Jose R. Santos <jrs at us.ibm.com>
> Date: Tue Jun 3 14:07:29 2008 -0400
> ext4: Fix uninit block group initialization with FLEX_BG
> With FLEX_BG block bitmaps, inode bitmaps and inode tables _MAY_ be
> allocated outside the group. So, when initializing an uninitialized
> block bitmap, we need to check the location of this blocks before
> setting the corresponding bits in the block bitmap of the newly
> initialized group. Also return the right number of free blocks when
> counting the available free blocks in uninit group.
> Tested-by: Aneesh Kumar K.V <aneesh.kumar at inux.vnet.ibm.com>
> Signed-off-by: Jose R. Santos <jrs at us.ibm.com>
> Signed-off-by: Mingming Cao <cmm at us.ibm.com>
> Signed-off-by: "Theodore Ts'o" <tytso at mit.edu>
> which made it to the 2.6.26 kernels.
> the description sounds innocuous but in my case it was actually
> corrupting memory ...
Is this going to be seen fixed in F9? And yes, this can be deadly to
your data. I have seen it trash a file system. I am going to have to
back up /home and /etc and re-ext4 the drive.
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