27 lines
896 B
Text
27 lines
896 B
Text
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dnl #
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dnl # 2.6.39 API compat,
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dnl
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dnl # The function zlib_deflate_workspacesize() now take 2 arguments.
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dnl # This was done to avoid always having to allocate the maximum size
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dnl # workspace (268K). The caller can now specific the windowBits and
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dnl # memLevel compression parameters to get a smaller workspace.
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_2ARGS_ZLIB_DEFLATE_WORKSPACESIZE], [
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ZFS_LINUX_TEST_SRC([2args_zlib_deflate_workspacesize], [
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#include <linux/zlib.h>
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],[
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return zlib_deflate_workspacesize(MAX_WBITS, MAX_MEM_LEVEL);
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])
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])
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AC_DEFUN([ZFS_AC_KERNEL_2ARGS_ZLIB_DEFLATE_WORKSPACESIZE], [
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AC_MSG_CHECKING([whether zlib_deflate_workspacesize() wants 2 args])
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ZFS_LINUX_TEST_RESULT([2args_zlib_deflate_workspacesize], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_2ARGS_ZLIB_DEFLATE_WORKSPACESIZE, 1,
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[zlib_deflate_workspacesize() wants 2 args])
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],[
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AC_MSG_RESULT(no)
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])
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])
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