drbd: Update some outdated comments to match the code
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c
index 706e522..092f827 100644
--- a/drivers/block/drbd/drbd_bitmap.c
+++ b/drivers/block/drbd/drbd_bitmap.c
@@ -389,8 +389,8 @@
/* Trying kmalloc first, falling back to vmalloc.
* GFP_KERNEL is ok, as this is done when a lower level disk is
- * "attached" to the drbd. Context is receiver thread or cqueue
- * thread. As we have no disk yet, we are not in the IO path,
+ * "attached" to the drbd. Context is receiver thread or drbdsetup /
+ * netlink process. As we have no disk yet, we are not in the IO path,
* not even the IO path of the peer. */
bytes = sizeof(struct page *)*want;
new_pages = kmalloc(bytes, GFP_KERNEL);
diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index 92adb3d..684e2e4 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -2038,7 +2038,7 @@
goto fail;
}
- /* allocation not in the IO path, cqueue thread context */
+ /* allocation not in the IO path, drbdsetup / netlink process context */
new_conf = kzalloc(sizeof(*new_conf), GFP_KERNEL);
if (!new_conf) {
retcode = ERR_NOMEM;
diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c
index 60fc186..d61309d 100644
--- a/drivers/block/drbd/drbd_req.c
+++ b/drivers/block/drbd/drbd_req.c
@@ -292,13 +292,12 @@
if ((s & RQ_NET_MASK) == 0 || (s & RQ_NET_DONE)) {
/* this is disconnected (local only) operation,
- * or protocol C P_WRITE_ACK,
- * or protocol A or B P_BARRIER_ACK,
+ * or protocol A, B, or C P_BARRIER_ACK,
* or killed from the transfer log due to connection loss. */
_req_is_done(mdev, req, rw);
}
/* else: network part and not DONE yet. that is
- * protocol A or B, barrier ack still pending... */
+ * protocol A, B, or C, barrier ack still pending... */
}
static void _req_may_be_done_not_susp(struct drbd_request *req, struct bio_and_error *m)
@@ -668,7 +667,7 @@
break;
if (req->rq_state & RQ_NET_PENDING) {
- /* barrier came in before all requests have been acked.
+ /* barrier came in before all requests were acked.
* this is bad, because if the connection is lost now,
* we won't be able to clean them up... */
dev_err(DEV, "FIXME (BARRIER_ACKED but pending)\n");
diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c
index c57e47c..34a6065 100644
--- a/drivers/block/drbd/drbd_worker.c
+++ b/drivers/block/drbd/drbd_worker.c
@@ -969,7 +969,7 @@
}
/**
- * w_e_end_rsdata_req() - Worker callback to send a P_RS_DATA_REPLY packet in response to a P_RS_DATA_REQUESTRS
+ * w_e_end_rsdata_req() - Worker callback to send a P_RS_DATA_REPLY packet in response to a P_RS_DATA_REQUEST
* @mdev: DRBD device.
* @w: work object.
* @cancel: The connection will be closed anyways