X-Git-Url: https://git.camperquake.de/gitweb.cgi?a=blobdiff_plain;f=config%2Fkernel-blk-rq-sectors.m4;fp=config%2Fkernel-blk-rq-sectors.m4;h=db8c43938dd2b64a719ca50b468ef2ffcbc27e84;hb=c9c0d073da561bcbefbdf09c87fc75b227415619;hp=0000000000000000000000000000000000000000;hpb=40b84e7aec6392187722e61e5a4a853b530bf60f;p=zfs.git

diff --git a/config/kernel-blk-rq-sectors.m4 b/config/kernel-blk-rq-sectors.m4
new file mode 100644
index 0000000..db8c439
--- /dev/null
+++ b/config/kernel-blk-rq-sectors.m4
@@ -0,0 +1,18 @@
+dnl #
+dnl # 2.6.31 API change
+dnl #
+AC_DEFUN([ZFS_AC_KERNEL_BLK_RQ_SECTORS], [
+	AC_MSG_CHECKING([whether blk_rq_sectors() is available])
+	ZFS_LINUX_TRY_COMPILE([
+		#include <linux/blkdev.h>
+	],[
+		struct request *req = NULL;
+		(void) blk_rq_sectors(req);
+	],[
+		AC_MSG_RESULT(yes)
+		AC_DEFINE(HAVE_BLK_RQ_SECTORS, 1,
+		          [blk_rq_sectors() is available])
+	],[
+		AC_MSG_RESULT(no)
+	])
+])