diff options
author | Sagi Grimberg <sagig@mellanox.com> | 2014-03-05 19:43:41 +0200 |
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committer | Roland Dreier <roland@purestorage.com> | 2014-03-17 22:33:57 -0700 |
commit | 310b347c6017ca5f00fa1e574c2d9c5b1088a786 (patch) | |
tree | 685c74696d27afc7953dc5ba949a22d575f03371 /drivers/infiniband/ulp | |
parent | d11ec4ecf022f49df33a784f0cf445638573f577 (diff) | |
download | op-kernel-dev-310b347c6017ca5f00fa1e574c2d9c5b1088a786.zip op-kernel-dev-310b347c6017ca5f00fa1e574c2d9c5b1088a786.tar.gz |
IB/iser: Move fast_reg_descriptor initialization to a function
fastreg descriptor will include protection information context. In
order to place the logic in one place we introduce iser_create_fr_desc
function.
This patch does not change any functionality.
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Alex Tabachnik <alext@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband/ulp')
-rw-r--r-- | drivers/infiniband/ulp/iser/iser_verbs.c | 58 |
1 files changed, 40 insertions, 18 deletions
diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c index dc5a0b4..9569e40 100644 --- a/drivers/infiniband/ulp/iser/iser_verbs.c +++ b/drivers/infiniband/ulp/iser/iser_verbs.c @@ -279,6 +279,39 @@ void iser_free_fmr_pool(struct iser_conn *ib_conn) ib_conn->fmr.page_vec = NULL; } +static int +iser_create_fastreg_desc(struct ib_device *ib_device, struct ib_pd *pd, + struct fast_reg_descriptor *desc) +{ + int ret; + + desc->data_frpl = ib_alloc_fast_reg_page_list(ib_device, + ISCSI_ISER_SG_TABLESIZE + 1); + if (IS_ERR(desc->data_frpl)) { + ret = PTR_ERR(desc->data_frpl); + iser_err("Failed to allocate ib_fast_reg_page_list err=%d\n", + ret); + return PTR_ERR(desc->data_frpl); + } + + desc->data_mr = ib_alloc_fast_reg_mr(pd, ISCSI_ISER_SG_TABLESIZE + 1); + if (IS_ERR(desc->data_mr)) { + ret = PTR_ERR(desc->data_mr); + iser_err("Failed to allocate ib_fast_reg_mr err=%d\n", ret); + goto fast_reg_mr_failure; + } + iser_info("Create fr_desc %p page_list %p\n", + desc, desc->data_frpl->page_list); + desc->valid = true; + + return 0; + +fast_reg_mr_failure: + ib_free_fast_reg_page_list(desc->data_frpl); + + return ret; +} + /** * iser_create_fastreg_pool - Creates pool of fast_reg descriptors * for fast registration work requests. @@ -300,32 +333,21 @@ int iser_create_fastreg_pool(struct iser_conn *ib_conn, unsigned cmds_max) goto err; } - desc->data_frpl = ib_alloc_fast_reg_page_list(device->ib_device, - ISCSI_ISER_SG_TABLESIZE + 1); - if (IS_ERR(desc->data_frpl)) { - ret = PTR_ERR(desc->data_frpl); - iser_err("Failed to allocate ib_fast_reg_page_list err=%d\n", ret); - goto fast_reg_page_failure; + ret = iser_create_fastreg_desc(device->ib_device, + device->pd, desc); + if (ret) { + iser_err("Failed to create fastreg descriptor err=%d\n", + ret); + kfree(desc); + goto err; } - desc->data_mr = ib_alloc_fast_reg_mr(device->pd, - ISCSI_ISER_SG_TABLESIZE + 1); - if (IS_ERR(desc->data_mr)) { - ret = PTR_ERR(desc->data_mr); - iser_err("Failed to allocate ib_fast_reg_mr err=%d\n", ret); - goto fast_reg_mr_failure; - } - desc->valid = true; list_add_tail(&desc->list, &ib_conn->fastreg.pool); ib_conn->fastreg.pool_size++; } return 0; -fast_reg_mr_failure: - ib_free_fast_reg_page_list(desc->data_frpl); -fast_reg_page_failure: - kfree(desc); err: iser_free_fastreg_pool(ib_conn); return ret; |