Searched hist:f01b9f73392b48c6cda7c2c66594c73137c776da (Results 1 – 1 of 1) sorted by relevance
| /linux/drivers/infiniband/ulp/isert/ |
| H A D | ib_isert.c | diff f01b9f73392b48c6cda7c2c66594c73137c776da Mon Nov 11 18:04:29 CET 2013 Vu Pham <vu@mellanox.com> iser-target: Avoid using FRMR for single dma entry requests
This patch changes isert_reg_rdma_frwr() to not use FRMR for single
dma entry requests from small I/Os, in order to avoid the associated
memory registration overhead.
Using DMA MR is sufficient here for the single dma entry requests,
and addresses a >= v3.12 performance regression.
Signed-off-by: Vu Pham <vu@mellanox.com>
Cc: <stable@vger.kernel.org> # v3.12+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
|