From: Ilya Dryomov <idryomov@gmail.com>
Date: Fri, 30 Aug 2019 17:31:06 +0200
Subject: rbd: pull rbd_img_request_create() dout out into the callers
Git-commit: 21ed05a8bae76b5163996e0bbcaa35cd9eff41d7
Patch-mainline: v5.4-rc1
References: jsc#SES-1134
Make it more informative: log op_type, offset and length for block
layer requests and initiating obj_req for child requests.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Acked-by: Luis Henriques <lhenriques@suse.com>
---
drivers/block/rbd.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 69db7385c8df..7c4350c0fb77 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -1754,8 +1754,6 @@ static struct rbd_img_request *rbd_img_request_create(
mutex_init(&img_request->state_mutex);
kref_init(&img_request->kref);
- dout("%s: rbd_dev %p %s -> img %p\n", __func__, rbd_dev,
- obj_op_name(op_type), img_request);
return img_request;
}
@@ -2944,6 +2942,9 @@ static int rbd_obj_read_from_parent(struct rbd_obj_request *obj_req)
__set_bit(IMG_REQ_CHILD, &child_img_req->flags);
child_img_req->obj_request = obj_req;
+ dout("%s child_img_req %p for obj_req %p\n", __func__, child_img_req,
+ obj_req);
+
if (!rbd_img_is_write(img_req)) {
switch (img_req->data_type) {
case OBJ_REQUEST_BIO:
@@ -4877,6 +4878,9 @@ static void rbd_queue_workfn(struct work_struct *work)
img_request->rq = rq;
snapc = NULL; /* img_request consumes a ref */
+ dout("%s rbd_dev %p img_req %p %s %llu~%llu\n", __func__, rbd_dev,
+ img_request, obj_op_name(op_type), offset, length);
+
if (op_type == OBJ_OP_DISCARD || op_type == OBJ_OP_ZEROOUT)
result = rbd_img_fill_nodata(img_request, offset, length);
else