| dnl # |
| dnl # 4.14 API change |
| dnl # kernel_write() which was introduced in 3.9 was updated to take |
| dnl # the offset as a pointer which is needed by vn_rdwr(). |
| dnl # |
| AC_DEFUN([ZFS_AC_KERNEL_SRC_WRITE], [ |
| ZFS_LINUX_TEST_SRC([kernel_write], [ |
| #include <linux/fs.h> |
| ],[ |
| struct file *file = NULL; |
| const void *buf = NULL; |
| size_t count = 0; |
| loff_t *pos = NULL; |
| ssize_t ret; |
| |
| ret = kernel_write(file, buf, count, pos); |
| ]) |
| ]) |
| |
| AC_DEFUN([ZFS_AC_KERNEL_WRITE], [ |
| AC_MSG_CHECKING([whether kernel_write() takes loff_t pointer]) |
| ZFS_LINUX_TEST_RESULT([kernel_write], [ |
| AC_MSG_RESULT(yes) |
| AC_DEFINE(HAVE_KERNEL_WRITE_PPOS, 1, |
| [kernel_write() take loff_t pointer]) |
| ],[ |
| AC_MSG_RESULT(no) |
| ]) |
| ]) |
| |
| dnl # |
| dnl # 4.14 API change |
| dnl # kernel_read() which has existed for forever was updated to take |
| dnl # the offset as a pointer which is needed by vn_rdwr(). |
| dnl # |
| AC_DEFUN([ZFS_AC_KERNEL_SRC_READ], [ |
| ZFS_LINUX_TEST_SRC([kernel_read], [ |
| #include <linux/fs.h> |
| ],[ |
| struct file *file = NULL; |
| void *buf = NULL; |
| size_t count = 0; |
| loff_t *pos = NULL; |
| ssize_t ret; |
| |
| ret = kernel_read(file, buf, count, pos); |
| ]) |
| ]) |
| |
| AC_DEFUN([ZFS_AC_KERNEL_READ], [ |
| AC_MSG_CHECKING([whether kernel_read() takes loff_t pointer]) |
| ZFS_LINUX_TEST_RESULT([kernel_read], [ |
| AC_MSG_RESULT(yes) |
| AC_DEFINE(HAVE_KERNEL_READ_PPOS, 1, |
| [kernel_read() take loff_t pointer]) |
| ],[ |
| AC_MSG_RESULT(no) |
| ]) |
| ]) |
| |
| AC_DEFUN([ZFS_AC_KERNEL_SRC_RW], [ |
| ZFS_AC_KERNEL_SRC_WRITE |
| ZFS_AC_KERNEL_SRC_READ |
| ]) |
| |
| AC_DEFUN([ZFS_AC_KERNEL_RW], [ |
| ZFS_AC_KERNEL_WRITE |
| ZFS_AC_KERNEL_READ |
| ]) |