23 lines
579 B
Plaintext
23 lines
579 B
Plaintext
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dnl #
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dnl # 2.6.28 API change
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dnl # Device, transport, and driver FAILFAST flags were added and
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dnl # the now legacy BIO_RW_FAILFAST flag was removed.
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_BIO_FAILFAST], [
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AC_MSG_CHECKING([whether BIO_RW_FAILFAST_* are defined])
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ZFS_LINUX_TRY_COMPILE([
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#include <linux/bio.h>
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],[
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int flags;
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flags = ((1 << BIO_RW_FAILFAST_DEV) |
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(1 << BIO_RW_FAILFAST_TRANSPORT) |
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(1 << BIO_RW_FAILFAST_DRIVER));
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],[
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_BIO_RW_FAILFAST, 1,
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[BIO_RW_FAILFAST_* are defined])
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],[
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AC_MSG_RESULT(no)
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])
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])
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