iscsi-target; Allow an extra tag_num / 2 number of percpu_ida tags

[karo-tx-linux.git] / drivers / target / iscsi / iscsi_target_nego.c

diff --git a/drivers/target/iscsi/iscsi_target_nego.c b/drivers/target/iscsi/iscsi_target_nego.c
index 14d1aed5af1dbef98aa9b05ad31573b08bdf72ed..ef6d836a4d09745d57ba42e2496dd725f85c57ea 100644 (file)
--- a/drivers/target/iscsi/iscsi_target_nego.c
+++ b/drivers/target/iscsi/iscsi_target_nego.c
@@ -1192,7 +1192,7 @@ get_target:
         */
 alloc_tags:
        tag_num = max_t(u32, ISCSIT_MIN_TAGS, queue_depth);
-       tag_num += ISCSIT_EXTRA_TAGS;
+       tag_num += (tag_num / 2) + ISCSIT_EXTRA_TAGS;
        tag_size = sizeof(struct iscsi_cmd) + conn->conn_transport->priv_size;
 
        ret = transport_alloc_session_tags(sess->se_sess, tag_num, tag_size);