| 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) { |
| (void) disk, (void) clearing; |
| return (0); |
| } |
| |
| static const struct block_device_operations |
| bops __attribute__ ((unused)) = { |
| .check_events = blk_check_events, |
| }; |
| ], [], []) |
| ]) |
| |
| 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) |
| ],[ |
| ZFS_LINUX_TEST_ERROR([bops->check_events()]) |
| ]) |
| ]) |
| |
| 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) { |
| (void) g, (void) mode; |
| return; |
| } |
| |
| static const struct block_device_operations |
| bops __attribute__ ((unused)) = { |
| .open = NULL, |
| .release = blk_release, |
| .ioctl = NULL, |
| .compat_ioctl = NULL, |
| }; |
| ], [], []) |
| ]) |
| |
| dnl # |
| dnl # 5.9.x API change |
| dnl # |
| AC_DEFUN([ZFS_AC_KERNEL_SRC_BLOCK_DEVICE_OPERATIONS_RELEASE_1ARG], [ |
| ZFS_LINUX_TEST_SRC([block_device_operations_release_void_1arg], [ |
| #include <linux/blkdev.h> |
| |
| void blk_release(struct gendisk *g) { |
| (void) g; |
| return; |
| } |
| |
| static const struct block_device_operations |
| bops __attribute__ ((unused)) = { |
| .open = NULL, |
| .release = blk_release, |
| .ioctl = NULL, |
| .compat_ioctl = NULL, |
| }; |
| ], [], []) |
| ]) |
| |
| AC_DEFUN([ZFS_AC_KERNEL_BLOCK_DEVICE_OPERATIONS_RELEASE_VOID], [ |
| AC_MSG_CHECKING([whether bops->release() is void and takes 2 args]) |
| ZFS_LINUX_TEST_RESULT([block_device_operations_release_void], [ |
| AC_MSG_RESULT(yes) |
| ],[ |
| AC_MSG_RESULT(no) |
| AC_MSG_CHECKING([whether bops->release() is void and takes 1 arg]) |
| ZFS_LINUX_TEST_RESULT([block_device_operations_release_void_1arg], [ |
| AC_MSG_RESULT(yes) |
| AC_DEFINE([HAVE_BLOCK_DEVICE_OPERATIONS_RELEASE_1ARG], [1], |
| [Define if release() in block_device_operations takes 1 arg]) |
| ],[ |
| ZFS_LINUX_TEST_ERROR([bops->release()]) |
| ]) |
| ]) |
| ]) |
| |
| dnl # |
| dnl # 5.13 API change |
| dnl # block_device_operations->revalidate_disk() was removed |
| dnl # |
| AC_DEFUN([ZFS_AC_KERNEL_SRC_BLOCK_DEVICE_OPERATIONS_REVALIDATE_DISK], [ |
| ZFS_LINUX_TEST_SRC([block_device_operations_revalidate_disk], [ |
| #include <linux/blkdev.h> |
| |
| int blk_revalidate_disk(struct gendisk *disk) { |
| (void) disk; |
| return(0); |
| } |
| |
| static const struct block_device_operations |
| bops __attribute__ ((unused)) = { |
| .revalidate_disk = blk_revalidate_disk, |
| }; |
| ], [], []) |
| ]) |
| |
| AC_DEFUN([ZFS_AC_KERNEL_BLOCK_DEVICE_OPERATIONS_REVALIDATE_DISK], [ |
| AC_MSG_CHECKING([whether bops->revalidate_disk() exists]) |
| ZFS_LINUX_TEST_RESULT([block_device_operations_revalidate_disk], [ |
| AC_DEFINE([HAVE_BLOCK_DEVICE_OPERATIONS_REVALIDATE_DISK], [1], |
| [Define if revalidate_disk() in block_device_operations]) |
| AC_MSG_RESULT(yes) |
| ],[ |
| 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 |
| ZFS_AC_KERNEL_SRC_BLOCK_DEVICE_OPERATIONS_RELEASE_1ARG |
| ZFS_AC_KERNEL_SRC_BLOCK_DEVICE_OPERATIONS_REVALIDATE_DISK |
| ]) |
| |
| AC_DEFUN([ZFS_AC_KERNEL_BLOCK_DEVICE_OPERATIONS], [ |
| ZFS_AC_KERNEL_BLOCK_DEVICE_OPERATIONS_CHECK_EVENTS |
| ZFS_AC_KERNEL_BLOCK_DEVICE_OPERATIONS_RELEASE_VOID |
| ZFS_AC_KERNEL_BLOCK_DEVICE_OPERATIONS_REVALIDATE_DISK |
| ]) |