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libceph: drop msg argument from ceph_osdc_callback_t

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finish_read(), its only user, uses it to get to hdr.data_len, which is
what ->r_result is set to on success.  This gains us the ability to
safely call callbacks from contexts other than reply, e.g. map check.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Ilya Dryomov
2016-04-28 16:07:24 +02:00
parent bb873b5391
commit 85e084feb4
5 changed files with 12 additions and 16 deletions
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5
drivers/block/rbd.c
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@@ -1828,13 +1828,12 @@ static void rbd_osd_call_callback(struct rbd_obj_request *obj_request)
obj_request_done_set(obj_request);
}
static void rbd_osd_req_callback(struct ceph_osd_request *osd_req,
struct ceph_msg *msg)
static void rbd_osd_req_callback(struct ceph_osd_request *osd_req)
{
struct rbd_obj_request *obj_request = osd_req->r_priv;
u16 opcode;
dout("%s: osd_req %p msg %p\n", __func__, osd_req, msg);
dout("%s: osd_req %p\n", __func__, osd_req);
rbd_assert(osd_req == obj_request->osd_req);
if (obj_request_img_data_test(obj_request)) {
rbd_assert(obj_request->img_request);