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Fix powerpc build
[mirror_zfs.git] / config / kernel-vfs-rw-iterate.m4
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57ae8400
MK
1dnl #
2dnl # Linux 4.1.x API
3dnl #
4AC_DEFUN([ZFS_AC_KERNEL_VFS_RW_ITERATE],
5 [AC_MSG_CHECKING([whether fops->read/write_iter() are available])
6 ZFS_LINUX_TRY_COMPILE([
7 #include <linux/fs.h>
8
9 ssize_t test_read(struct kiocb *kiocb, struct iov_iter *to)
10 { return 0; }
11 ssize_t test_write(struct kiocb *kiocb, struct iov_iter *from)
12 { return 0; }
13
14 static const struct file_operations
15 fops __attribute__ ((unused)) = {
16 .read_iter = test_read,
17 .write_iter = test_write,
18 };
19 ],[
20 ],[
21 AC_MSG_RESULT(yes)
22 AC_DEFINE(HAVE_VFS_RW_ITERATE, 1,
23 [fops->read/write_iter() are available])
24 ],[
25 AC_MSG_RESULT(no)
26 ])
27])
933ec999
CC
28
29dnl #
30dnl # Linux 4.1.x API
31dnl #
32AC_DEFUN([ZFS_AC_KERNEL_GENERIC_WRITE_CHECKS],
33 [AC_MSG_CHECKING([whether generic_write_checks() takes kiocb])
34 ZFS_LINUX_TRY_COMPILE([
35 #include <linux/fs.h>
36
37 ],[
38 struct kiocb *iocb = NULL;
39 struct iov_iter *iov = NULL;
40 generic_write_checks(iocb, iov);
41 ],[
42 AC_MSG_RESULT(yes)
43 AC_DEFINE(HAVE_GENERIC_WRITE_CHECKS_KIOCB, 1,
44 [generic_write_checks() takes kiocb])
45 ],[
46 AC_MSG_RESULT(no)
47 ])
48])