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libceph: abstract out ceph_osd_request enqueue logic 

Introduce __enqueue_request() and switch to it.

Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com>
Reviewed-by: Alex Elder <elder@linaro.org>
This commit is contained in:
Ilya Dryomov 2014-09-02 13:40:33 +04:00 committed by Ilya Dryomov
parent bfe01a5ba2
commit f671b581f1
1 changed files with 17 additions and 7 deletions
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24
net/ceph/osd_client.c
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@ -1346,6 +1346,22 @@ static int __calc_request_pg(struct ceph_osdmap *osdmap,
&req->r_target_oid, pg_out);
}
static void __enqueue_request(struct ceph_osd_request *req)
{
struct ceph_osd_client *osdc = req->r_osdc;
dout("%s %p tid %llu to osd%d\n", __func__, req, req->r_tid,
req->r_osd ? req->r_osd->o_osd : -1);
if (req->r_osd) {
__remove_osd_from_lru(req->r_osd);
list_add_tail(&req->r_osd_item, &req->r_osd->o_requests);
list_move_tail(&req->r_req_lru_item, &osdc->req_unsent);
} else {
list_move_tail(&req->r_req_lru_item, &osdc->req_notarget);
}
}
/*
* Pick an osd (the first 'up' osd in the pg), allocate the osd struct
* (as needed), and set the request r_osd appropriately. If there is
@ -1423,13 +1439,7 @@ static int __map_request(struct ceph_osd_client *osdc,
&osdc->osdmap->osd_addr[o]);
}
if (req->r_osd) {
__remove_osd_from_lru(req->r_osd);
list_add_tail(&req->r_osd_item, &req->r_osd->o_requests);
list_move_tail(&req->r_req_lru_item, &osdc->req_unsent);
} else {
list_move_tail(&req->r_req_lru_item, &osdc->req_notarget);
}
__enqueue_request(req);
err = 1; /* osd or pg changed */
out: