From: Mikhail Pershin <tappro@sun.com>
Date: Fri, 13 Aug 2010 08:52:35 +0000 (+0400)
Subject: Revert "b=21951 2.6.32-fc13 patchless client support for HEAD"
X-Git-Tag: 2.0.50.0~10
X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=commitdiff_plain;h=db94f4f00f1523605d692f4dadb3487deb0fdb4f

Revert "b=21951 2.6.32-fc13 patchless client support for HEAD"

This reverts commit 8ba026e938688af32d10f598c3af3ab711695789.
---

diff --git a/libcfs/autoconf/lustre-libcfs.m4 b/libcfs/autoconf/lustre-libcfs.m4
index d764b23..07fb2ce 100644
--- a/libcfs/autoconf/lustre-libcfs.m4
+++ b/libcfs/autoconf/lustre-libcfs.m4
@@ -452,22 +452,6 @@ LB_LINUX_TRY_COMPILE([
 ])
 ])
 
-# from 2.6.24 please use sg_init_table
-AC_DEFUN([LIBCFS_SCATTERLIST_INITTABLE],
-[AC_MSG_CHECKING([if sg_init_table is defined])
-LB_LINUX_TRY_COMPILE([
-        #include <linux/scatterlist.h>
-],[
-       sg_init_table(NULL,0);
-],[
-        AC_MSG_RESULT(yes)
-        AC_DEFINE(HAVE_SCATTERLIST_INITTABLE, 1,
-                  [sg_init_table is defined])
-],[
-        AC_MSG_RESULT(NO)
-])
-])
-
 # 2.6.24 
 AC_DEFUN([LIBCFS_NETWORK_NAMESPACE],
 [AC_MSG_CHECKING([for network stack has namespaces])
@@ -730,7 +714,6 @@ LIBCFS_NETLINK_CBMUTEX
 # 2.6.24
 LIBCFS_SYSCTL_UNNUMBERED
 LIBCFS_SCATTERLIST_SETPAGE
-LIBCFS_SCATTERLIST_INITTABLE
 LIBCFS_NL_BROADCAST_GFP
 LIBCFS_NETWORK_NAMESPACE
 LIBCFS_NETLINK_NETNS
diff --git a/libcfs/include/libcfs/linux/portals_compat25.h b/libcfs/include/libcfs/linux/portals_compat25.h
index 6058c59..7f9671a 100644
--- a/libcfs/include/libcfs/linux/portals_compat25.h
+++ b/libcfs/include/libcfs/linux/portals_compat25.h
@@ -179,8 +179,4 @@ int proc_call_handler(void *data, int write,
                       int (*handler)(void *data, int write,
                                      loff_t pos, void *buffer, int len));
 
-#ifndef HAVE_SCATTERLIST_INITTABLE
-#define sg_init_table(sgl, n) memset(sgl, 0, sizeof(*sgl) * n)
-#endif
-
 #endif /* _PORTALS_COMPAT_H */
diff --git a/lnet/klnds/o2iblnd/o2iblnd_cb.c b/lnet/klnds/o2iblnd/o2iblnd_cb.c
index c228c83..a05f13e 100644
--- a/lnet/klnds/o2iblnd/o2iblnd_cb.c
+++ b/lnet/klnds/o2iblnd/o2iblnd_cb.c
@@ -713,28 +713,6 @@ kiblnd_setup_rd_iov(lnet_ni_t *ni, kib_tx_t *tx, kib_rdma_desc_t *rd,
         return kiblnd_map_tx(ni, tx, rd, sg - tx->tx_frags);
 }
 
-static inline int
-get_kiov_length (int nkiov, lnet_kiov_t *kiov, int offset, int nob)
-{
-        int fragnob;
-        int count = 0;
-
-        do {
-                LASSERT (nkiov > 0);
-
-                fragnob = min((int)(kiov->kiov_len - offset), nob);
-
-                count++;
-
-                offset = 0;
-                kiov++;
-                nkiov--;
-                nob -= fragnob;
-        } while (nob > 0);
-
-        return count;
-}
-
 int
 kiblnd_setup_rd_kiov (lnet_ni_t *ni, kib_tx_t *tx, kib_rdma_desc_t *rd,
                       int nkiov, lnet_kiov_t *kiov, int offset, int nob)
@@ -757,13 +735,12 @@ kiblnd_setup_rd_kiov (lnet_ni_t *ni, kib_tx_t *tx, kib_rdma_desc_t *rd,
         }
 
         sg = tx->tx_frags;
-        tx->tx_nfrags = get_kiov_length(nkiov, kiov, offset, nob);
-        sg_init_table(sg, tx->tx_nfrags);
         do {
                 LASSERT (nkiov > 0);
 
                 fragnob = min((int)(kiov->kiov_len - offset), nob);
 
+                memset(sg, 0, sizeof(*sg));
                 sg_set_page(sg, kiov->kiov_page, fragnob,
                             kiov->kiov_offset + offset);
                 sg++;