22 lines
435 B
Plaintext
22 lines
435 B
Plaintext
dnl #
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dnl # 2.6.32 API change
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dnl # Private backing_device_info interfaces available
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_BDI], [
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AC_MSG_CHECKING([whether super_block has s_bdi])
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ZFS_LINUX_TRY_COMPILE([
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#include <linux/fs.h>
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static const struct super_block
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sb __attribute__ ((unused)) {
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.s_bdi = NULL,
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}
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],[
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],[
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_BDI, 1, [struct super_block has s_bdi])
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],[
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AC_MSG_RESULT(no)
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])
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])
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