Re: Wrong DIF guard tag on ext2 write

[Martin K. Petersen]

>>>>> "Dave" == Dave Chinner <david@xxxxxxxxxxxxx> writes:

Dave> If you are running DIF hardware, then XFS is only OK for direct
Dave> IO.  XFS will still get torn writes if you are overwriting
Dave> buffered data (either by write() or mmap()) because there are no
Dave> interlocks to prevent cached pages under writeback from being
Dave> modified while DMA is being performed.....

Didn't you use to wait_on_page_writeback() in page_mkwrite()?

-- 
Martin K. Petersen	Oracle Linux Engineering
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