[PATCH v1 08/22] IB/iser: Remove an unneeded print for unaligned memory
From: Sagi Grimberg <hidden>
Date: 2015-08-06 15:32:52
Subsystem:
infiniband subsystem, iscsi extensions for rdma (iser) initiator, the rest · Maintainers:
Jason Gunthorpe, Leon Romanovsky, Sagi Grimberg, Max Gurtovoy, Linus Torvalds
We can do it in iser_aligned_data_len instead and it will save us an argument that is passed to fall_to_counce_buf just for the print. Signed-off-by: Sagi Grimberg <sagig-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org> --- drivers/infiniband/ulp/iser/iser_memory.c | 20 +++++++++----------- 1 file changed, 9 insertions(+), 11 deletions(-)
diff --git a/drivers/infiniband/ulp/iser/iser_memory.c b/drivers/infiniband/ulp/iser/iser_memory.c
index 3129a42..56dd53b 100644
--- a/drivers/infiniband/ulp/iser/iser_memory.c
+++ b/drivers/infiniband/ulp/iser/iser_memory.c@@ -330,8 +330,11 @@ static int iser_data_buf_aligned_len(struct iser_data_buf *data, break; } ret_len = (next_sg) ? i : i+1; - iser_dbg("Found %d aligned entries out of %d in sg:0x%p\n", - ret_len, data->dma_nents, data); + + if (unlikely(ret_len != data->dma_nents)) + iser_warn("rdma alignment violation (%d/%d aligned)\n", + ret_len, data->dma_nents); + return ret_len; }
@@ -407,15 +410,12 @@ iser_reg_dma(struct iser_device *device, struct iser_data_buf *mem, static int fall_to_bounce_buf(struct iscsi_iser_task *iser_task, struct iser_data_buf *mem, - enum iser_data_dir cmd_dir, - int aligned_len) + enum iser_data_dir cmd_dir) { struct iscsi_conn *iscsi_conn = iser_task->iser_conn->iscsi_conn; struct iser_device *device = iser_task->iser_conn->ib_conn.device; iscsi_conn->fmr_unalign_cnt++; - iser_warn("rdma alignment violation (%d/%d aligned) or FMR not supported\n", - aligned_len, mem->size); if (iser_debug_level > 0) iser_data_buf_dump(mem, device->ib_device);
@@ -537,8 +537,7 @@ int iser_reg_rdma_mem_fmr(struct iscsi_iser_task *iser_task, aligned_len = iser_data_buf_aligned_len(mem, ibdev); if (aligned_len != mem->dma_nents) { - err = fall_to_bounce_buf(iser_task, mem, - cmd_dir, aligned_len); + err = fall_to_bounce_buf(iser_task, mem, cmd_dir); if (err) { iser_err("failed to allocate bounce buffer\n"); return err;
@@ -800,8 +799,7 @@ int iser_reg_rdma_mem_fastreg(struct iscsi_iser_task *iser_task, aligned_len = iser_data_buf_aligned_len(mem, ibdev); if (aligned_len != mem->dma_nents) { - err = fall_to_bounce_buf(iser_task, mem, - cmd_dir, aligned_len); + err = fall_to_bounce_buf(iser_task, mem, cmd_dir); if (err) { iser_err("failed to allocate bounce buffer\n"); return err;
@@ -828,7 +826,7 @@ int iser_reg_rdma_mem_fastreg(struct iscsi_iser_task *iser_task, aligned_len = iser_data_buf_aligned_len(mem, ibdev); if (aligned_len != mem->dma_nents) { err = fall_to_bounce_buf(iser_task, mem, - cmd_dir, aligned_len); + cmd_dir); if (err) { iser_err("failed to allocate bounce buffer\n"); return err;
--
1.8.4.3
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