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IB/iser: Avoid error prints on EAGAIN registration failures

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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>
This commit is contained in:
Or Gerlitz 2013-02-21 14:50:09 +00:00 committed by Roland Dreier
parent b96e4abaae
commit 819a087316
1 changed files with 1 additions and 1 deletions
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drivers/infiniband/ulp/iser/iser_memory.c
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@ -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,