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