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authorOr Gerlitz <ogerlitz@mellanox.com>2013-02-21 14:50:09 +0000
committerRoland Dreier <roland@purestorage.com>2013-02-22 00:22:29 -0800
commit819a087316a63ef7d60e7b816d18c4e29a05861a (patch)
treec3dd72dba6cd739de11209502344d7e852e3808b /drivers/infiniband
parentb96e4abaaeda62b5292026a9deaacb4066431ac7 (diff)
IB/iser: Avoid error prints on EAGAIN registration failures
Under IO/CPU stress its possible that the FMR pool might not have a free FMR mapping element for iSER to use because of incomplete background unmapping processing. In that case we get -EAGAIN and the IO is pushed back to the SCSI layer which soon retries it. No need to be so verbose about that. Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/ulp/iser/iser_memory.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/infiniband/ulp/iser/iser_memory.c b/drivers/infiniband/ulp/iser/iser_memory.c
index 2033a928d34..79c4f35ba0c 100644
--- a/drivers/infiniband/ulp/iser/iser_memory.c
+++ b/drivers/infiniband/ulp/iser/iser_memory.c
@@ -404,7 +404,7 @@ int iser_reg_rdma_mem(struct iscsi_iser_task *iser_task,
} else { /* use FMR for multiple dma entries */
iser_page_vec_build(mem, ib_conn->page_vec, ibdev);
err = iser_reg_page_vec(ib_conn, ib_conn->page_vec, &regd_buf->reg);
- if (err) {
+ if (err && err != -EAGAIN) {
iser_data_buf_dump(mem, ibdev);
iser_err("mem->dma_nents = %d (dlength = 0x%x)\n",
mem->dma_nents,