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authorIlya Dryomov <ilya.dryomov@inktank.com>2014-09-02 13:40:33 +0400
committerIlya Dryomov <idryomov@redhat.com>2014-10-14 21:03:18 +0400
commitf671b581f1dac61354186b7373af5f97fe420584 (patch)
tree4939c81c3fe69bcb6955b5c5677a662b98845a17 /net
parentbfe01a5ba2490f299e1d2d5508cbbbadd897bbe9 (diff)
downloadlinux-f671b581f1dac61354186b7373af5f97fe420584.tar.gz
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>
Diffstat (limited to 'net')
-rw-r--r--net/ceph/osd_client.c24
1 files changed, 17 insertions, 7 deletions
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index 30f6faf3584f..648a215d734e 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -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 */
 
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