X-Git-Url: https://git.camperquake.de/gitweb.cgi?a=blobdiff_plain;f=config%2Fkernel-fallocate.m4;h=6ac5ae65c7644f3202ae4fa96f98d00ccbeb5a90;hb=2404b01499019f6a8589cec79201b8871ec48081;hp=d551276c77fee2059f07c38d4843b3b635099612;hpb=cb2d19010d8fbcf6c22585cd8763fad3ba7db724;p=zfs.git

diff --git a/config/kernel-fallocate.m4 b/config/kernel-fallocate.m4
index d551276..6ac5ae6 100644
--- a/config/kernel-fallocate.m4
+++ b/config/kernel-fallocate.m4
@@ -39,10 +39,31 @@ AC_DEFUN([ZFS_AC_KERNEL_INODE_FALLOCATE], [
 ])
 
 dnl #
+dnl # PaX Linux 2.6.38 - 3.x API
+dnl #
+AC_DEFUN([ZFS_AC_PAX_KERNEL_FILE_FALLOCATE], [
+	AC_MSG_CHECKING([whether fops->fallocate() exists])
+	ZFS_LINUX_TRY_COMPILE([
+		#include <linux/fs.h>
+	],[
+		long (*fallocate) (struct file *, int, loff_t, loff_t) = NULL;
+		struct file_operations_no_const fops __attribute__ ((unused)) = {
+			.fallocate = fallocate,
+		};
+	],[
+		AC_MSG_RESULT(yes)
+		AC_DEFINE(HAVE_FILE_FALLOCATE, 1, [fops->fallocate() exists])
+	],[
+		AC_MSG_RESULT(no)
+	])
+])
+
+dnl #
 dnl # The fallocate callback was moved from the inode_operations
 dnl # structure to the file_operations structure.
 dnl #
 AC_DEFUN([ZFS_AC_KERNEL_FALLOCATE], [
 	ZFS_AC_KERNEL_FILE_FALLOCATE
 	ZFS_AC_KERNEL_INODE_FALLOCATE
+	ZFS_AC_PAX_KERNEL_FILE_FALLOCATE
 ])