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44 lines
1.1 KiB
Plaintext
44 lines
1.1 KiB
Plaintext
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dnl #
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dnl # Linux 3.2 API Change
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dnl # make_request_fn returns void instead of int.
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_MAKE_REQUEST_FN], [
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AC_MSG_CHECKING([whether make_request_fn() returns int])
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ZFS_LINUX_TRY_COMPILE([
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#include <linux/blkdev.h>
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int make_request(struct request_queue *q, struct bio *bio)
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{
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return (0);
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}
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],[
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blk_queue_make_request(NULL, &make_request);
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],[
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AC_MSG_RESULT(yes)
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AC_DEFINE(MAKE_REQUEST_FN_RET, int,
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[make_request_fn() returns int])
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AC_DEFINE(HAVE_MAKE_REQUEST_FN_RET_INT, 1,
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[Noting that make_request_fn() returns int])
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],[
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AC_MSG_RESULT(no)
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AC_MSG_CHECKING([whether make_request_fn() returns void])
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ZFS_LINUX_TRY_COMPILE([
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#include <linux/blkdev.h>
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void make_request(struct request_queue *q, struct bio *bio)
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{
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return;
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}
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],[
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blk_queue_make_request(NULL, &make_request);
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],[
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AC_MSG_RESULT(yes)
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AC_DEFINE(MAKE_REQUEST_FN_RET, void,
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[make_request_fn() returns void])
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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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