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* async_tx: expand async raid6 test to cover ioatdma corner caseDan Williams2009-12-171-0/+7
| | | | | | | Add explicit 11 and 12 disks cases to exercise the 0 < src_cnt % 8 < 3 corner case in the ioatdma driver. Signed-off-by: Dan Williams <dan.j.williams@intel.com>
* raid6test: fix stack overflowDan Williams2009-09-161-2/+1
| | | | | | | | | | | | | | | Testing on x86_64 with NDISKS=255 yields: do_IRQ: modprobe near stack overflow (cur:ffff88007d19c000,sp:ffff88007d19c128) ...and eventually general protection fault: 0000 [#1] Moving the scribble buffers off the stack allows the test to complete successfully. Signed-off-by: Dan Williams <dan.j.williams@intel.com>
* async_tx: raid6 recovery self testDan Williams2009-08-291-0/+241
Port drivers/md/raid6test/test.c to use the async raid6 recovery routines. This is meant as a unit test for raid6 acceleration drivers. In addition to the 16-drive test case this implements tests for the 4-disk and 5-disk special cases (dma devices can not generically handle less than 2 sources), and adds a test for the D+Q case. Reviewed-by: Andre Noll <maan@systemlinux.org> Acked-by: Maciej Sosnowski <maciej.sosnowski@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>