Add -p switch to "zpool get"

[zfs.git] / config / kernel-blkdev-get-by-path.m4

diff --git a/config/kernel-blkdev-get-by-path.m4 b/config/kernel-blkdev-get-by-path.m4
index 0d5d2b1..40ecc06 100644 (file)
--- a/config/kernel-blkdev-get-by-path.m4
+++ b/config/kernel-blkdev-get-by-path.m4
@@ -3,11 +3,17 @@ dnl # 2.6.38 API change
 dnl # open_bdev_exclusive() changed to blkdev_get_by_path()
 dnl # close_bdev_exclusive() changed to blkdev_put()
 dnl #
-AC_DEFUN([ZFS_AC_KERNEL_BLKDEV_GET_BY_PATH], [
-       ZFS_CHECK_SYMBOL_EXPORT(
-               [blkdev_get_by_path],
-               [fs/block_dev.c],
-               [AC_DEFINE(HAVE_BLKDEV_GET_BY_PATH, 1,
-               [blkdev_get_by_path() is available])],
-               [])
+AC_DEFUN([ZFS_AC_KERNEL_BLKDEV_GET_BY_PATH],
+       [AC_MSG_CHECKING([whether blkdev_get_by_path() is available])
+       ZFS_LINUX_TRY_COMPILE_SYMBOL([
+               #include <linux/fs.h>
+       ], [
+               blkdev_get_by_path(NULL, 0, NULL);
+       ], [blkdev_get_by_path], [fs/block_dev.c], [
+               AC_MSG_RESULT(yes)
+               AC_DEFINE(HAVE_BLKDEV_GET_BY_PATH, 1,
+                         [blkdev_get_by_path() is available])
+       ], [
+               AC_MSG_RESULT(no)
+       ])
 ])