From: Andrew Morton <akpm@zip.com.au>
Date: Mon, 17 Jun 2002 21:15:46 -0700
Andreas Dilger wrote:
> On Jun 17, 2002 19:56 -0700, David S. Miller wrote:
> > EXT2-fs error (device sd(8,17)): ext2_find_entry: zero-length directory entry
>
> This would appear to be from accessing a buffer (page) which has not yet
> been read from disk. Otherwise you would have an error from e2fsck also.
> Andrew has been mucking the most in this area...
Not that, I hope. Possibly it's the interaction between
block_write_full_pages's memset outside i_size, truncate and lookup.
It took me a ridiculous amount of time to get that "correct", so
it's a suspicion point. Or possibly locking between lookup and
truncate (rmdir) and/or creat.
Dave, I assume this is with 8k pages and 4k blocks?
Yes, that is the case here.
Is it repeatable enough to conduct a little experiment? Like, lock the page
in ext2_find_entry?
I'll try out your patch and get back to you, thanks.
Franks a lot,
David S. Miller
davem@redhat.com
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