34 lines
943 B
Text
34 lines
943 B
Text
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dnl #
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dnl # 2.6.34 API change
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dnl # current->bio_tail and current->bio_list were struct bio pointers prior to
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dnl # Linux 2.6.34. They were refactored into a struct bio_list pointer called
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dnl # current->bio_list in Linux 2.6.34.
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_CURRENT_BIO_TAIL], [
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AC_MSG_CHECKING([whether current->bio_tail exists])
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ZFS_LINUX_TRY_COMPILE([
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#include <linux/sched.h>
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],[
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current->bio_tail = (struct bio **) NULL;
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],[
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_CURRENT_BIO_TAIL, 1,
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[current->bio_tail exists])
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],[
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AC_MSG_RESULT(no)
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AC_MSG_CHECKING([whether current->bio_list exists])
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ZFS_LINUX_TRY_COMPILE([
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#include <linux/sched.h>
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],[
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current->bio_list = (struct bio_list *) NULL;
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],[
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_CURRENT_BIO_LIST, 1,
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[current->bio_list exists])
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],[
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AC_MSG_ERROR(no - Please file a bug report at
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https://github.com/zfsonlinux/zfs/issues/new)
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])
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])
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])
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