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85391ee931
Sponsored-by: https://despairlabs.com/sponsor/ Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Tony Hutter <hutter2@llnl.gov> Signed-off-by: Rob Norris <robn@despairlabs.com> Closes #18077
33 lines
815 B
Plaintext
33 lines
815 B
Plaintext
dnl # SPDX-License-Identifier: CDDL-1.0
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dnl #
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dnl # 5.10 API change,
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dnl # The "count" was moved into ref->data, from ref
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_PERCPU_REF_COUNT_IN_DATA], [
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ZFS_LINUX_TEST_SRC([percpu_ref_count_in_data], [
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#include <linux/percpu-refcount.h>
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],[
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struct percpu_ref_data d;
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atomic_long_set(&d.count, 1L);
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])
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])
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AC_DEFUN([ZFS_AC_KERNEL_PERCPU_REF_COUNT_IN_DATA], [
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AC_MSG_CHECKING([whether is inside percpu_ref.data])
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ZFS_LINUX_TEST_RESULT([percpu_ref_count_in_data], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(ZFS_PERCPU_REF_COUNT_IN_DATA, 1,
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[count is located in percpu_ref.data])
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],[
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AC_MSG_RESULT(no)
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])
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])
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AC_DEFUN([ZFS_AC_KERNEL_SRC_PERCPU], [
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ZFS_AC_KERNEL_SRC_PERCPU_REF_COUNT_IN_DATA
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])
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AC_DEFUN([ZFS_AC_KERNEL_PERCPU], [
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ZFS_AC_KERNEL_PERCPU_REF_COUNT_IN_DATA
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])
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