On 7/28/2013 11:15 AM, Or Gerlitz wrote:
On 26/07/2013 20:15, Vu Pham wrote:
Hello Or/Sagi,
Just a minor
/**
+ * iser_create_frwr_pool - Creates pool of fast_reg descriptors
+ * for fast registration work requests.
+ * returns 0 on success, or errno code on failure
+ */
+int iser_create_frwr_pool(struct iser_conn *ib_conn, unsigned
cmds_max)
+{
+ struct iser_device *device = ib_conn->device;
+ struct fast_reg_descriptor *desc;
+ int i, ret;
+
+ INIT_LIST_HEAD(&ib_conn->fastreg.frwr.pool);
+ ib_conn->fastreg.frwr.pool_size = 0;
+ for (i = 0; i < cmds_max; i++) {
+ desc = kmalloc(sizeof(*desc), GFP_KERNEL);
+ if (!desc) {
+ iser_err("Failed to allocate a new fast_reg
descriptor\n");
+ ret = -ENOMEM;
+ 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=%ld\n",
+ PTR_ERR(desc->data_frpl));
using ret
+ 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=%ld\n",
+ PTR_ERR(desc->data_mr));
using ret
+ ib_free_fast_reg_page_list(desc->data_frpl);
+ goto err;
+ }
+ desc->valid = true;
+ list_add_tail(&desc->list, &ib_conn->fastreg.frwr.pool);
+ ib_conn->fastreg.frwr.pool_size++;
+ }
+
+ return 0;
+err:
+ iser_free_frwr_pool(ib_conn);
+ return ret;
+}
Nice catch!
I see that Roland hasn't yet picked this series so I will re-submit it
with fixes to the issues you have found here.
Or.
Nice catch indeed, thanks Vu.
-Sagi
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