| dnl # |
| dnl # 3.5.0 API change |
| dnl # torvalds/linux@17cf28afea2a1112f240a3a2da8af883be024811 removed |
| dnl # truncate_range(). The file hole punching functionality is now |
| dnl # provided by fallocate() |
| dnl # |
| AC_DEFUN([ZFS_AC_KERNEL_SRC_TRUNCATE_RANGE], [ |
| ZFS_LINUX_TEST_SRC([inode_operations_truncate_range], [ |
| #include <linux/fs.h> |
| void truncate_range(struct inode *inode, loff_t start, |
| loff_t end) { return; } |
| static struct inode_operations iops __attribute__ ((unused)) = { |
| .truncate_range = truncate_range, |
| }; |
| ],[]) |
| ]) |
| |
| AC_DEFUN([ZFS_AC_KERNEL_TRUNCATE_RANGE], [ |
| AC_MSG_CHECKING([whether iops->truncate_range() exists]) |
| ZFS_LINUX_TEST_RESULT([inode_operations_truncate_range], [ |
| AC_MSG_RESULT(yes) |
| AC_DEFINE(HAVE_INODE_TRUNCATE_RANGE, 1, |
| [iops->truncate_range() exists]) |
| ],[ |
| AC_MSG_RESULT(no) |
| ]) |
| ]) |
