LU-14047 lustre: change EWOULDBLOCK to EAGAIN

[fs/lustre-release.git] / lustre / osp / osp_precreate.c

diff --git a/lustre/osp/osp_precreate.c b/lustre/osp/osp_precreate.c
index 60ecc66..6a0a435 100644 (file)
--- a/lustre/osp/osp_precreate.c
+++ b/lustre/osp/osp_precreate.c
@@ -1636,12 +1636,12 @@ int osp_object_truncate(const struct lu_env *env, struct dt_object *dt,
         * XXX: decide how do we do here with resend
         * if we don't resend, then client may see wrong file size
         * if we do resend, then MDS thread can get stuck for quite long
-        * and if we don't resend, then client will also get -EWOULDBLOCK !!
+        * and if we don't resend, then client will also get -EAGAIN !!
         * (see LU-7975 and sanity/test_27F use cases)
         * but let's decide not to resend/delay this truncate request to OST
         * and allow Client to decide to resend, in a less agressive way from
         * after_reply(), by returning -EINPROGRESS instead of
-        * -EAGAIN/-EWOULDBLOCK upon return from ptlrpc_queue_wait() at the
+        * -EAGAIN/-EAGAIN upon return from ptlrpc_queue_wait() at the
         * end of this routine
         */
        req->rq_no_resend = req->rq_no_delay = 1;
@@ -1671,14 +1671,14 @@ int osp_object_truncate(const struct lu_env *env, struct dt_object *dt,
 
        rc = ptlrpc_queue_wait(req);
        if (rc) {
-               /* -EWOULDBLOCK/-EAGAIN means OST is unreachable at the moment
+               /* -EAGAIN/-EWOULDBLOCK means OST is unreachable at the moment
                 * since we have decided not to resend/delay, but this could
                 * lead to wrong size to be seen at Client side and even process
                 * trying to open to exit/fail if not itself handling -EAGAIN.
                 * So it should be better to return -EINPROGRESS instead and
                 * leave the decision to resend at Client side in after_reply()
                 */
-               if (rc == -EWOULDBLOCK) {
+               if (rc == -EAGAIN) {
                        rc = -EINPROGRESS;
                        CDEBUG(D_HA, "returning -EINPROGRESS instead of "
                               "-EWOULDBLOCK/-EAGAIN to allow Client to "