| dnl # |
| dnl # 2.6.38 API change |
| dnl # |
| AC_DEFUN([ZFS_AC_KERNEL_SRC_BLOCK_DEVICE_OPERATIONS_CHECK_EVENTS], [ |
| ZFS_LINUX_TEST_SRC([block_device_operations_check_events], [ |
| #include <linux/blkdev.h> |
| |
| unsigned int blk_check_events(struct gendisk *disk, |
| unsigned int clearing) { return (0); } |
| |
| static const struct block_device_operations |
| bops __attribute__ ((unused)) = { |
| .check_events = blk_check_events, |
| }; |
| ], [], [$NO_UNUSED_BUT_SET_VARIABLE]) |
| ]) |
| |
| AC_DEFUN([ZFS_AC_KERNEL_BLOCK_DEVICE_OPERATIONS_CHECK_EVENTS], [ |
| AC_MSG_CHECKING([whether bops->check_events() exists]) |
| ZFS_LINUX_TEST_RESULT([block_device_operations_check_events], [ |
| AC_MSG_RESULT(yes) |
| AC_DEFINE(HAVE_BLOCK_DEVICE_OPERATIONS_CHECK_EVENTS, 1, |
| [bops->check_events() exists]) |
| ],[ |
| AC_MSG_RESULT(no) |
| ]) |
| ]) |
| |
| dnl # |
| dnl # 3.10.x API change |
| dnl # |
| AC_DEFUN([ZFS_AC_KERNEL_SRC_BLOCK_DEVICE_OPERATIONS_RELEASE_VOID], [ |
| ZFS_LINUX_TEST_SRC([block_device_operations_release_void], [ |
| #include <linux/blkdev.h> |
| |
| void blk_release(struct gendisk *g, fmode_t mode) { return; } |
| |
| static const struct block_device_operations |
| bops __attribute__ ((unused)) = { |
| .open = NULL, |
| .release = blk_release, |
| .ioctl = NULL, |
| .compat_ioctl = NULL, |
| }; |
| ], [], [$NO_UNUSED_BUT_SET_VARIABLE]) |
| ]) |
| |
| AC_DEFUN([ZFS_AC_KERNEL_BLOCK_DEVICE_OPERATIONS_RELEASE_VOID], [ |
| AC_MSG_CHECKING([whether bops->release() is void]) |
| ZFS_LINUX_TEST_RESULT([block_device_operations_release_void], [ |
| AC_MSG_RESULT(yes) |
| AC_DEFINE(HAVE_BLOCK_DEVICE_OPERATIONS_RELEASE_VOID, 1, |
| [bops->release() returns void]) |
| ],[ |
| AC_MSG_RESULT(no) |
| ]) |
| ]) |
| |
| AC_DEFUN([ZFS_AC_KERNEL_SRC_BLOCK_DEVICE_OPERATIONS], [ |
| ZFS_AC_KERNEL_SRC_BLOCK_DEVICE_OPERATIONS_CHECK_EVENTS |
| ZFS_AC_KERNEL_SRC_BLOCK_DEVICE_OPERATIONS_RELEASE_VOID |
| ]) |
| |
| AC_DEFUN([ZFS_AC_KERNEL_BLOCK_DEVICE_OPERATIONS], [ |
| ZFS_AC_KERNEL_BLOCK_DEVICE_OPERATIONS_CHECK_EVENTS |
| ZFS_AC_KERNEL_BLOCK_DEVICE_OPERATIONS_RELEASE_VOID |
| ]) |