21 lines
518 B
Plaintext
21 lines
518 B
Plaintext
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dnl #
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dnl # 2.6.38 API change
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dnl # follow_down() renamed follow_down_one(). The original follow_down()
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dnl # symbol still exists but will traverse down all the layers.
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_FOLLOW_DOWN_ONE], [
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AC_MSG_CHECKING([whether follow_down_one() is available])
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ZFS_LINUX_TRY_COMPILE([
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#include <linux/namei.h>
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],[
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struct path *p = NULL;
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follow_down_one(p);
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],[
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_FOLLOW_DOWN_ONE, 1,
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[follow_down_one() 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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