Re: Half-Disaster switching from ext3 to ext4

[Theodore Tso]

On Mon, Jan 05, 2009 at 09:11:27PM -0500, Ken Witherow wrote:
>
> I had something similar happen last week on an image I mount via a loop  
> device (it's an image I use just for my gentoo portage directory so it  
> doesn't thrash the rest of my filesystem).

> Jan  1 22:30:21 death EXT4-fs error (device loop0): mb_free_blocks: double-free of inode 0's block 58359(bit 25591 in group 1)
> Jan  1 22:30:21 death 

Actually, that's a different problem.   It's fixed in the patch:

ext4: Fix race between read_block_bitmap() and mark_diskspace_used()

in the ext4 patch queue (filename:
fix-race-between-read_block_bitmap-and-mark_diskspace_used) and in the
2.6.28-ext4-1 patch set.  I'm about to push it to Linus, and I'll make
sure it's queued for the 2.6.28.1 stable truee.


							- Ted
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