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23 lines
699 B
Plaintext
23 lines
699 B
Plaintext
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dnl #
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dnl # 2.6.31 API change
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dnl # Request queue peek/retrieval interface cleanup, the blk_fetch_request()
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dnl # function replaces the elv_next_request() and blk_fetch_request()
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dnl # functions. The updated blk_fetch_request() function returns the
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dnl # next available request and removed it from the request queue.
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_BLK_FETCH_REQUEST], [
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AC_MSG_CHECKING([whether blk_fetch_request() is available])
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ZFS_LINUX_TRY_COMPILE([
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#include <linux/blkdev.h>
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],[
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struct request_queue *q = NULL;
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(void) blk_fetch_request(q);
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],[
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_BLK_FETCH_REQUEST, 1,
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[blk_fetch_request() is available])
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],[
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AC_MSG_RESULT(no)
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])
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])
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