ext3: Freeing blocks not in datazone

[Mark Lord <lkml@rtr.ca>]

One of my test systems here, running 2.6.25-rc8-git*,
just now crapped out with this in the tail end of dmesg:

[   20.927780] EXT3-fs error (device sda1): ext3_free_blocks: Freeing blocks not in datazone - block
[   20.928756] Aborting journal on device sda1.
[    7.336461] ext3_abort called.
[   20.930208] Remounting filesystem read-only
[    7.336925] EXT3-fs error (device sda1): ext3_journal_start_sb: Detected aborted journal
[    7.336930] Remounting filesystem read-only
[   20.930847] EXT3-fs error (device sda1) in ext3_reserve_inode_write: Journal has aborted
[   20.930960] EXT3-fs error (device sda1) in ext3_truncate: Journal has aborted
[   20.931037] EXT3-fs error (device sda1) in ext3_reserve_inode_write: Journal has aborted
[   20.931148] EXT3-fs error (device sda1) in ext3_orphan_del: Journal has aborted
[   20.931257] EXT3-fs error (device sda1) in ext3_reserve_inode_write: Journal has aborted
[   20.932057] __journal_remove_journal_head: freeing b_committed_data
[   20.932071] __journal_remove_journal_head: freeing b_committed_data
[   20.932165] __journal_remove_journal_head: freeing b_committed_data
[   20.932185] __journal_remove_journal_head: freeing b_committed_data
[   20.932197] __journal_remove_journal_head: freeing b_committed_data

I had just booted the system, and was simultaneously doing "rm -r" on an old kernel tree
while also doing mirrordir to refressh a different kernel tree from a master copy off NFS.

Not much else to say.  e2fsck seems to have recovered things,
and I've repeated the commands successfully after rebooting.

-ml