81 lines
1.9 KiB
Text
81 lines
1.9 KiB
Text
|
dnl #
|
||
|
|
dnl # Linux 3.16 API
|
||
|
|
dnl #
|
||
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_VFS_RW_ITERATE], [
|
||
|
|
ZFS_LINUX_TEST_SRC([file_operations_rw], [
|
||
|
|
#include <linux/fs.h>
|
||
|
|
|
||
|
|
ssize_t test_read(struct kiocb *kiocb, struct iov_iter *to)
|
||
|
|
{ return 0; }
|
||
|
|
ssize_t test_write(struct kiocb *kiocb, struct iov_iter *from)
|
||
|
|
{ return 0; }
|
||
|
|
|
||
|
|
static const struct file_operations
|
||
|
|
fops __attribute__ ((unused)) = {
|
||
|
|
.read_iter = test_read,
|
||
|
|
.write_iter = test_write,
|
||
|
|
};
|
||
|
|
],[])
|
||
|
|
|
||
|
|
ZFS_LINUX_TEST_SRC([new_sync_rw], [
|
||
|
|
#include <linux/fs.h>
|
||
|
|
],[
|
||
|
|
ssize_t ret __attribute__ ((unused));
|
||
|
|
struct file *filp = NULL;
|
||
|
|
char __user *rbuf = NULL;
|
||
|
|
const char __user *wbuf = NULL;
|
||
|
|
size_t len = 0;
|
||
|
|
loff_t ppos;
|
||
|
|
|
||
|
|
ret = new_sync_read(filp, rbuf, len, &ppos);
|
||
|
|
ret = new_sync_write(filp, wbuf, len, &ppos);
|
||
|
|
])
|
||
|
|
])
|
||
|
|
|
||
|
|
AC_DEFUN([ZFS_AC_KERNEL_VFS_RW_ITERATE], [
|
||
|
|
AC_MSG_CHECKING([whether fops->read/write_iter() are available])
|
||
|
|
ZFS_LINUX_TEST_RESULT([file_operations_rw], [
|
||
|
|
AC_MSG_RESULT(yes)
|
||
|
|
AC_DEFINE(HAVE_VFS_RW_ITERATE, 1,
|
||
|
|
[fops->read/write_iter() are available])
|
||
|
|
|
||
|
|
dnl #
|
||
|
|
dnl # Linux 4.1 API
|
||
|
|
dnl #
|
||
|
|
AC_MSG_CHECKING([whether new_sync_read/write() are available])
|
||
|
|
ZFS_LINUX_TEST_RESULT([new_sync_rw], [
|
||
|
|
AC_MSG_RESULT(yes)
|
||
|
|
AC_DEFINE(HAVE_NEW_SYNC_READ, 1,
|
||
|
|
[new_sync_read()/new_sync_write() are available])
|
||
|
|
],[
|
||
|
|
AC_MSG_RESULT(no)
|
||
|
|
])
|
||
|
|
],[
|
||
|
|
AC_MSG_RESULT(no)
|
||
|
|
])
|
||
|
|
])
|
||
|
|
|
||
|
|
dnl #
|
||
|
|
dnl # Linux 4.1.x API
|
||
|
|
dnl #
|
||
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_VFS_GENERIC_WRITE_CHECKS], [
|
||
|
|
ZFS_LINUX_TEST_SRC([generic_write_checks], [
|
||
|
|
#include <linux/fs.h>
|
||
|
|
],[
|
||
|
|
struct kiocb *iocb = NULL;
|
||
|
|
struct iov_iter *iov = NULL;
|
||
|
|
generic_write_checks(iocb, iov);
|
||
|
|
])
|
||
|
|
])
|
||
|
|
|
||
|
|
AC_DEFUN([ZFS_AC_KERNEL_VFS_GENERIC_WRITE_CHECKS], [
|
||
|
|
AC_MSG_CHECKING([whether generic_write_checks() takes kiocb])
|
||
|
|
ZFS_LINUX_TEST_RESULT([generic_write_checks], [
|
||
|
|
AC_MSG_RESULT(yes)
|
||
|
|
AC_DEFINE(HAVE_GENERIC_WRITE_CHECKS_KIOCB, 1,
|
||
|
|
[generic_write_checks() takes kiocb])
|
||
|
|
],[
|
||
|
|
AC_MSG_RESULT(no)
|
||
|
|
])
|
||
|
|
])
|