[mirror_zfs.git] / config / kernel-mkdir-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 separate checks.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_MKDIR_UMODE_T], [
	AC_MSG_CHECKING([whether iops->create()/mkdir()/mknod() take umode_t])
	ZFS_LINUX_TRY_COMPILE([
		#include <linux/fs.h>

		int mkdir(struct inode *inode, struct dentry *dentry,
		    umode_t umode) { return 0; }

		static const struct inode_operations
		    iops __attribute__ ((unused)) = {
			.mkdir = mkdir,
		};
	],[
	],[
		AC_MSG_RESULT(yes)
		AC_DEFINE(HAVE_MKDIR_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
4e33ba4c	7	dnl # broken apart in to three separate checks.
b39d3b9f	8	dnl #
95f5c63b	9	AC_DEFUN([ZFS_AC_KERNEL_MKDIR_UMODE_T], [
b39d3b9f BB	10	AC_MSG_CHECKING([whether iops->create()/mkdir()/mknod() take umode_t])
	11	ZFS_LINUX_TRY_COMPILE([
	12	#include <linux/fs.h>
c38367c7 RY	13
	14	int mkdir(struct inode inode, struct dentry dentry,
	15	umode_t umode) { return 0; }
	16
	17	static const struct inode_operations
	18	iops __attribute__ ((unused)) = {
95f5c63b	19	.mkdir = mkdir,
b39d3b9f	20	};
c38367c7	21	],[
b39d3b9f BB	22	],[
b39d3b9f BB	23	AC_MSG_RESULT(yes)
95f5c63b	24	AC_DEFINE(HAVE_MKDIR_UMODE_T, 1,
b39d3b9f BB	25	[iops->create()/mkdir()/mknod() take umode_t])
	26	],[
	27	AC_MSG_RESULT(no)
	28	])
	29	])