| dnl # |
| dnl # 2.6.34 API change |
| dnl # blk_queue_max_segments() consolidates blk_queue_max_hw_segments() |
| dnl # and blk_queue_max_phys_segments(). |
| dnl # |
| AC_DEFUN([ZFS_AC_KERNEL_SRC_BLK_QUEUE_MAX_SEGMENTS], [ |
| ZFS_LINUX_TEST_SRC([blk_queue_max_segments], [ |
| #include <linux/blkdev.h> |
| ], [ |
| struct request_queue *q = NULL; |
| (void) blk_queue_max_segments(q, BLK_MAX_SEGMENTS); |
| ], [$NO_UNUSED_BUT_SET_VARIABLE]) |
| ]) |
| |
| AC_DEFUN([ZFS_AC_KERNEL_BLK_QUEUE_MAX_SEGMENTS], [ |
| AC_MSG_CHECKING([whether blk_queue_max_segments() is available]) |
| ZFS_LINUX_TEST_RESULT([blk_queue_max_segments], [ |
| AC_MSG_RESULT(yes) |
| AC_DEFINE(HAVE_BLK_QUEUE_MAX_SEGMENTS, 1, |
| [blk_queue_max_segments() is available]) |
| ], [ |
| AC_MSG_RESULT(no) |
| ]) |
| ]) |