libceph: evaluate osd_req_op_data() arguments only once
This patch changes the osd_req_op_data() macro to not evaluate arguments more than once in order to follow the kernel coding style. Signed-off-by: Ioana Ciornei <ciorneiioana@gmail.com> Reviewed-by: Alex Elder <elder@linaro.org> [idryomov@gmail.com: changelog, formatting] Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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@ -120,11 +120,13 @@ static void ceph_osd_data_bio_init(struct ceph_osd_data *osd_data,
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}
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#endif /* CONFIG_BLOCK */
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#define osd_req_op_data(oreq, whch, typ, fld) \
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({ \
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BUG_ON(whch >= (oreq)->r_num_ops); \
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&(oreq)->r_ops[whch].typ.fld; \
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})
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#define osd_req_op_data(oreq, whch, typ, fld) \
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({ \
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struct ceph_osd_request *__oreq = (oreq); \
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unsigned int __whch = (whch); \
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BUG_ON(__whch >= __oreq->r_num_ops); \
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&__oreq->r_ops[__whch].typ.fld; \
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})
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static struct ceph_osd_data *
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osd_req_op_raw_data_in(struct ceph_osd_request *osd_req, unsigned int which)
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