LU-15092 o2iblnd: Fix logic for unaligned transfer

[fs/lustre-release.git] / lnet / klnds / o2iblnd / o2iblnd.h

diff --git a/lnet/klnds/o2iblnd/o2iblnd.h b/lnet/klnds/o2iblnd/o2iblnd.h
index 3d3f9f0..f6d2a06 100644 (file)
--- a/lnet/klnds/o2iblnd/o2iblnd.h
+++ b/lnet/klnds/o2iblnd/o2iblnd.h
@@ -149,8 +149,10 @@ extern struct kib_tunables  kiblnd_tunables;
 #define IBLND_OOB_CAPABLE(v)       ((v) != IBLND_MSG_VERSION_1)
 #define IBLND_OOB_MSGS(v)           (IBLND_OOB_CAPABLE(v) ? 2 : 0)
 
-#define IBLND_MSG_SIZE              (4<<10)                 /* max size of queued messages (inc hdr) */
-#define IBLND_MAX_RDMA_FRAGS         LNET_MAX_IOV           /* max # of fragments supported */
+/* max size of queued messages (inc hdr) */
+#define IBLND_MSG_SIZE              (4<<10)
+/* max # of fragments supported. + 1 for unaligned case */
+#define IBLND_MAX_RDMA_FRAGS        (LNET_MAX_IOV + 1)
 
 /************************/
 /* derived constants... */