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IB: Clarify the documentation of ib_post_send()

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Clarify the behavior of ib_post_send() when a list of work requests is
passed in and an immediate error is returned.

Signed-off-by: Bart Van Assche <bart.vanassche@gmail.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Bart Van Assche 2009-12-09 14:20:04 -08:00 committed by Roland Dreier
parent 91d3f9bacd
commit 55464d461b
1 changed files with 5 additions and 0 deletions
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5
include/rdma/ib_verbs.h
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@ -1425,6 +1425,11 @@ int ib_destroy_qp(struct ib_qp *qp);
* @send_wr: A list of work requests to post on the send queue. * @send_wr: A list of work requests to post on the send queue.
* @bad_send_wr: On an immediate failure, this parameter will reference * @bad_send_wr: On an immediate failure, this parameter will reference
* the work request that failed to be posted on the QP. * the work request that failed to be posted on the QP.
*
* While IBA Vol. 1 section 11.4.1.1 specifies that if an immediate
* error is returned, the QP state shall not be affected,
* ib_post_send() will return an immediate error after queueing any
* earlier work requests in the list.
*/ */
static inline int ib_post_send(struct ib_qp *qp, static inline int ib_post_send(struct ib_qp *qp,
struct ib_send_wr *send_wr, struct ib_send_wr *send_wr,