X-Git-Url: https://git.camperquake.de/gitweb.cgi?a=blobdiff_plain;f=config%2Fkernel-kobj-name-len.m4;fp=config%2Fkernel-kobj-name-len.m4;h=5363a41ca29606cfadd673172f2f6271d5c6558f;hb=c9c0d073da561bcbefbdf09c87fc75b227415619;hp=0000000000000000000000000000000000000000;hpb=40b84e7aec6392187722e61e5a4a853b530bf60f;p=zfs.git

diff --git a/config/kernel-kobj-name-len.m4 b/config/kernel-kobj-name-len.m4
new file mode 100644
index 0000000..5363a41
--- /dev/null
+++ b/config/kernel-kobj-name-len.m4
@@ -0,0 +1,21 @@
+dnl #
+dnl # 2.6.27 API change,
+dnl # kobject KOBJ_NAME_LEN static limit removed.  All users of this
+dnl # constant were removed prior to 2.6.27, but to be on the safe
+dnl # side this check ensures the constant is undefined.
+dnl #
+AC_DEFUN([ZFS_AC_KERNEL_KOBJ_NAME_LEN], [
+	AC_MSG_CHECKING([whether kernel defines KOBJ_NAME_LEN])
+	ZFS_LINUX_TRY_COMPILE([
+		#include <linux/kobject.h>
+	],[
+		int val;
+		val = KOBJ_NAME_LEN;
+	],[
+		AC_MSG_RESULT([yes])
+		AC_DEFINE(HAVE_KOBJ_NAME_LEN, 1,
+		          [kernel defines KOBJ_NAME_LEN])
+	],[
+		AC_MSG_RESULT([no])
+	])
+])