Re: Wrong DIF guard tag on ext2 write

[Martin K. Petersen]

>>>>> "Nick" == Nick Piggin <npiggin@xxxxxxx> writes:

>> Yep, known bug.  Page writeback locking is messed up for buffer_head
>> users.  The extNfs folks volunteered to look into this a while back
>> but I don't think they have found the time yet.

Nick> What do you mean by messed up? Allowing modifications to the page
Nick> while it is under writeback? This is deliberate of course and not
Nick> limited to buffer_head users either.

Messed up in the sense that (at least last I looked) very few
buffer_head users were aware of the existence of the page writeback bit.

-- 
Martin K. Petersen	Oracle Linux Engineering
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