LU-2800 autoconf: remove LC_INVALIDATE_BDEV_2ARG test

invalidate_bdev has taken one argument since v2.6.22
We can remove the test and the dead code.

Signed-off-by: James Simmons <uja.ornl@gmail.com>
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Change-Id: I535f1cbe1c46fb5c98d5de046b85eb8365084d7b
Reviewed-on: http://review.whamcloud.com/5345
Reviewed-by: Bob Glossman <bob.glossman@intel.com>
Tested-by: Hudson
Tested-by: Maloo <whamcloud.maloo@gmail.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>

diff --git a/lustre/autoconf/lustre-core.m4 b/lustre/autoconf/lustre-core.m4
index b9fa7d7..5a778c2 100644 (file)
--- a/lustre/autoconf/lustre-core.m4
+++ b/lustre/autoconf/lustre-core.m4
@@ -424,22 +424,6 @@ LB_LINUX_TRY_COMPILE([
 
 # 2.6.22
 
-# 2.6.22 lost second parameter for invalidate_bdev
-AC_DEFUN([LC_INVALIDATE_BDEV_2ARG],
-[AC_MSG_CHECKING([if invalidate_bdev has second argument])
-LB_LINUX_TRY_COMPILE([
-        #include <linux/buffer_head.h>
-],[
-        invalidate_bdev(NULL,0);
-],[
-        AC_MSG_RESULT([yes])
-        AC_DEFINE(HAVE_INVALIDATE_BDEV_2ARG, 1,
-                [invalidate_bdev has second argument])
-],[
-        AC_MSG_RESULT([no])
-])
-])
-
 #
 # 2.6.19 check for FS_RENAME_DOES_D_MOVE flag
 #
@@ -1589,7 +1573,6 @@ AC_DEFUN([LC_PROG_LINUX],
          LC_PAGE_CONSTANT
 
         # 2.6.22
-         LC_INVALIDATE_BDEV_2ARG
          LC_FS_RENAME_DOES_D_MOVE
 
          # 2.6.23

diff --git a/lustre/include/linux/lustre_compat25.h b/lustre/include/linux/lustre_compat25.h
index 1cbdc42..cd3e386 100644 (file)
--- a/lustre/include/linux/lustre_compat25.h
+++ b/lustre/include/linux/lustre_compat25.h
@@ -202,12 +202,6 @@ int ll_unregister_blkdev(unsigned int dev, const char *name)
 }
 #endif
 
-#ifdef HAVE_INVALIDATE_BDEV_2ARG
-#define ll_invalidate_bdev(a,b)         invalidate_bdev((a),(b))
-#else
-#define ll_invalidate_bdev(a,b)         invalidate_bdev((a))
-#endif
-
 #ifndef FS_HAS_FIEMAP
 #define FS_HAS_FIEMAP                  (0)
 #endif

diff --git a/lustre/llite/lloop.c b/lustre/llite/lloop.c
index 7a5e000..107737b 100644 (file)
--- a/lustre/llite/lloop.c
+++ b/lustre/llite/lloop.c
@@ -589,7 +589,7 @@ static int loop_clr_fd(struct lloop_device *lo, struct block_device *bdev,
         lo->lo_offset = 0;
         lo->lo_sizelimit = 0;
         lo->lo_flags = 0;
-        ll_invalidate_bdev(bdev, 0);
+       invalidate_bdev(bdev);
         set_capacity(disks[lo->lo_number], 0);
         bd_set_size(bdev, 0);
         mapping_set_gfp_mask(filp->f_mapping, gfp);