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| author |   Or Gerlitz <ogerlitz@mellanox.com> | 2013-02-21 14:50:09 +0000 |
|---|---|---|
| committer |   Roland Dreier <roland@purestorage.com> | 2013-02-22 00:22:29 -0800 |
| commit | 819a087316a63ef7d60e7b816d18c4e29a05861a (patch) | |
| tree | c3dd72dba6cd739de11209502344d7e852e3808b /drivers/infiniband/ulp/iser/iser_memory.c | |
| parent | IB/iser: Use proper define for the commands per LUN value advertised to SCSI ML (diff) | |
| download | linux-dev-819a087316a63ef7d60e7b816d18c4e29a05861a.tar.xz linux-dev-819a087316a63ef7d60e7b816d18c4e29a05861a.zip | |
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 '')
| -rw-r--r-- | drivers/infiniband/ulp/iser/iser_memory.c | 2 |
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 2033a928d34d..79c4f35ba0c9 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, ®d_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, |