| commit | 2adfc550b6d9646301c810643bc309fa49375987 | [log] [tgz] |
|---|---|---|
| author | Dan Williams <dan.j.williams@intel.com> | Sat May 01 15:22:56 2010 -0700 |
| committer | Dan Williams <dan.j.williams@intel.com> | Sat May 01 15:22:56 2010 -0700 |
| tree | 1e1fe80772dc588be2dc294d8b9f371caec3f0b0 | |
| parent | 074cc47679f8b0931d7d5384e95822d82768f149 [diff] |
ioat3: disable cacheline-unaligned transfers for raid operations There are cases where cacheline-unaligned raid operations can hang the dma channel. Simply disable these operations by increasing the alignment constraints published to async_tx. The raid456 driver always issues page aligned requests, so the only in-kernel user of the ioatdma driver that is affected by this change is dmatest. Signed-off-by: Dan Williams <dan.j.williams@intel.com>