Messages in this thread | | | Date | Thu, 26 Jun 2008 14:54:24 +0200 | From | Andi Kleen <> | Subject | Re: Scatter-gather list constraints |
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> On the fs side, just setting a hw block size of 1k should fix the > problem, since that'd be your minimum transfer size AND alignment there > even for O_DIRECT IO.
XFS used to force 512 byte IOs for its log IO. Not sure that was ever fixed. If it was fixed it likely required a disk format change (I think s390 ran into a problem like this)
-Andi
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