[mirror_zfs.git] / config / kernel-lseek-execute.m4

dnl #
dnl # 3.11 API change
dnl # lseek_execute helper exported
dnl #
AC_DEFUN([ZFS_AC_KERNEL_LSEEK_EXECUTE],
	[AC_MSG_CHECKING([whether lseek_execute() is available])
	ZFS_LINUX_TRY_COMPILE_SYMBOL([
		#include <linux/fs.h>
	], [
		struct file *fp __attribute__ ((unused)) = NULL;
		struct inode *ip __attribute__ ((unused)) = NULL;
		loff_t offset __attribute__ ((unused)) = 0;
		loff_t maxsize __attribute__ ((unused)) = 0;

		lseek_execute(fp, ip, offset, maxsize);
	], [lseek_exclusive], [fs/read_write.c], [
		AC_MSG_RESULT(yes)
		AC_DEFINE(HAVE_LSEEK_EXECUTE, 1,
		          [lseek_execute() is available])
	], [
		AC_MSG_RESULT(no)
	])
])
Commit	Line	Data
802e7b5f LD	1	dnl #
	2	dnl # 3.11 API change
	3	dnl # lseek_execute helper exported
	4	dnl #
	5	AC_DEFUN([ZFS_AC_KERNEL_LSEEK_EXECUTE],
	6	[AC_MSG_CHECKING([whether lseek_execute() is available])
	7	ZFS_LINUX_TRY_COMPILE_SYMBOL([
	8	#include <linux/fs.h>
	9	], [
	10	struct file *fp __attribute__ ((unused)) = NULL;
	11	struct inode *ip __attribute__ ((unused)) = NULL;
	12	loff_t offset __attribute__ ((unused)) = 0;
	13	loff_t maxsize __attribute__ ((unused)) = 0;
	14
	15	lseek_execute(fp, ip, offset, maxsize);
	16	], [lseek_exclusive], [fs/read_write.c], [
	17	AC_MSG_RESULT(yes)
	18	AC_DEFINE(HAVE_LSEEK_EXECUTE, 1,
	19	[lseek_execute() is available])
	20	], [
	21	AC_MSG_RESULT(no)
	22	])
	23	])