commit | 8c874cc140d667f84ae4642bb5b5e0d6396d2ca4 | [log] [tgz] |
---|---|---|
author | Dave Jiang <dave.jiang@intel.com> | Fri Jan 08 09:51:05 2016 -0700 |
committer | Jon Mason <jdmason@kudzu.us> | Mon Jan 11 10:01:27 2016 -0500 |
tree | b162c9510698f9a293424232aaa958b4b8353088 | |
parent | 703872c2c53b57ac14563e64c2df086ef57690f9 [diff] |
NTB: Address out of DMA descriptor issue with NTB The transport right now does not handle the case where we run out of DMA descriptors. We just fail when we do not succeed. Adding code to retry for a bit attempting to use the DMA engine instead of instantly fail to CPU copy. Signed-off-by: Dave Jiang <dave.jiang@intel.com> Reviewed-by: Allen Hubbe <Allen.Hubbe@emc.com> Signed-off-by: Jon Mason <jdmason@kudzu.us>