[mirror_zfs-debian.git] / config / kernel-create-umode-t.m4

dnl #
dnl # 3.3 API change
dnl # The VFS .create, .mkdir and .mknod callbacks were updated to take a
dnl # umode_t type rather than an int.  The expectation is that any backport
dnl # would also change all three prototypes.  However, if it turns out that
dnl # some distribution doesn't backport the whole thing this could be
dnl # broken apart in to three seperate checks.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_CREATE_UMODE_T], [
	AC_MSG_CHECKING([whether iops->create()/mkdir()/mknod() take umode_t])
	ZFS_LINUX_TRY_COMPILE([
		#include <linux/fs.h>
	],[
		int (*create) (struct inode *, struct dentry *, umode_t,
		    struct nameidata *) = NULL;
		struct inode_operations iops __attribute__ ((unused)) = {
			.create = create,
		};
	],[
		AC_MSG_RESULT(yes)
		AC_DEFINE(HAVE_CREATE_UMODE_T, 1,
		    [iops->create()/mkdir()/mknod() take umode_t])
	],[
		AC_MSG_RESULT(no)
	])
])
Commit	Line	Data
b39d3b9f BB	1	dnl #
	2	dnl # 3.3 API change
	3	dnl # The VFS .create, .mkdir and .mknod callbacks were updated to take a
	4	dnl # umode_t type rather than an int. The expectation is that any backport
	5	dnl # would also change all three prototypes. However, if it turns out that
	6	dnl # some distribution doesn't backport the whole thing this could be
	7	dnl # broken apart in to three seperate checks.
	8	dnl #
	9	AC_DEFUN([ZFS_AC_KERNEL_CREATE_UMODE_T], [
	10	AC_MSG_CHECKING([whether iops->create()/mkdir()/mknod() take umode_t])
	11	ZFS_LINUX_TRY_COMPILE([
	12	#include <linux/fs.h>
	13	],[
	14	int (create) (struct inode , struct dentry *, umode_t,
	15	struct nameidata *) = NULL;
	16	struct inode_operations iops __attribute__ ((unused)) = {
	17	.create = create,
	18	};
	19	],[
	20	AC_MSG_RESULT(yes)
	21	AC_DEFINE(HAVE_CREATE_UMODE_T, 1,
	22	[iops->create()/mkdir()/mknod() take umode_t])
	23	],[
	24	AC_MSG_RESULT(no)
	25	])
	26	])