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LU-17871 ldlm: FLOCK ownlocks may be not set
[fs/lustre-release.git] / lustre / ptlrpc / pers.c
index 4606bdf..45af603 100644 (file)
  *
  * You should have received a copy of the GNU General Public License
  * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
+ * http://www.gnu.org/licenses/gpl-2.0.html
  *
  * GPL HEADER END
  */
 /*
  * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
+ *
+ * Copyright (c) 2015, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
  */
 
 #define DEBUG_SUBSYSTEM S_RPC
 #include "ptlrpc_internal.h"
 
 
-void ptlrpc_fill_bulk_md(lnet_md_t *md, struct ptlrpc_bulk_desc *desc,
+void ptlrpc_fill_bulk_md(struct lnet_md *md, struct ptlrpc_bulk_desc *desc,
                         int mdidx)
 {
-       CLASSERT(PTLRPC_MAX_BRW_PAGES < LI_POISON);
+       unsigned int start = desc->bd_mds_off[mdidx];
+
+       BUILD_BUG_ON(PTLRPC_MAX_BRW_PAGES >= LI_POISON);
 
        LASSERT(mdidx < desc->bd_md_max_brw);
        LASSERT(desc->bd_iov_count <= PTLRPC_MAX_BRW_PAGES);
-       LASSERT(!(md->options & (LNET_MD_IOVEC | LNET_MD_KIOV |
-                                LNET_MD_PHYS)));
 
-       md->options |= LNET_MD_KIOV;
-       md->length = max(0, desc->bd_iov_count - mdidx * LNET_MAX_IOV);
-       md->length = min_t(unsigned int, LNET_MAX_IOV, md->length);
-       if (desc->bd_enc_iov)
-               md->start = &desc->bd_enc_iov[mdidx * LNET_MAX_IOV];
-       else
-               md->start = &desc->bd_iov[mdidx * LNET_MAX_IOV];
-}
+       /* just send a lnet header */
+       if (mdidx >= desc->bd_md_count) {
+               md->options |= LNET_MD_KIOV;
+               md->length = 0;
+               md->start = NULL;
+               return;
+       }
 
-void ptlrpc_add_bulk_page(struct ptlrpc_bulk_desc *desc, struct page *page,
-                          int pageoffset, int len)
-{
-        lnet_kiov_t *kiov = &desc->bd_iov[desc->bd_iov_count];
+       if (desc->bd_is_rdma)
+               md->options |= LNET_MD_GPU_ADDR;
 
-        kiov->kiov_page = page;
-        kiov->kiov_offset = pageoffset;
-        kiov->kiov_len = len;
+       if (mdidx == (desc->bd_md_count - 1))
+               md->length = desc->bd_iov_count - start;
+       else
+               md->length = desc->bd_mds_off[mdidx + 1] - start;
 
-        desc->bd_iov_count++;
+       md->options |= LNET_MD_KIOV;
+       if (desc->bd_enc_vec)
+               md->start = &desc->bd_enc_vec[start];
+       else
+               md->start = &desc->bd_vec[start];
 }
 
+