From a209b4aec31d4b672b7a70f5de272ebf6ce40e1b Mon Sep 17 00:00:00 2001 From: Andreas Gruenbacher Date: Wed, 17 Aug 2011 12:43:25 +0200 Subject: [PATCH] drbd: Update some outdated comments to match the code Signed-off-by: Philipp Reisner Signed-off-by: Lars Ellenberg --- drivers/block/drbd/drbd_bitmap.c | 4 ++-- drivers/block/drbd/drbd_nl.c | 2 +- drivers/block/drbd/drbd_req.c | 7 +++---- drivers/block/drbd/drbd_worker.c | 2 +- 4 files changed, 7 insertions(+), 8 deletions(-) diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c index 706e5220dd4a..092f8273e6bd 100644 --- a/drivers/block/drbd/drbd_bitmap.c +++ b/drivers/block/drbd/drbd_bitmap.c @@ -389,8 +389,8 @@ static struct page **bm_realloc_pages(struct drbd_bitmap *b, unsigned long want) /* 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 92adb3dc82c2..684e2e4d48e1 100644 --- a/drivers/block/drbd/drbd_nl.c +++ b/drivers/block/drbd/drbd_nl.c @@ -2038,7 +2038,7 @@ int drbd_adm_connect(struct sk_buff *skb, struct genl_info *info) 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 60fc186d0a3d..d61309db14a2 100644 --- a/drivers/block/drbd/drbd_req.c +++ b/drivers/block/drbd/drbd_req.c @@ -292,13 +292,12 @@ void _req_may_be_done(struct drbd_request *req, struct bio_and_error *m) 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 @@ int __req_mod(struct drbd_request *req, enum drbd_req_event what, 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 c57e47c0a1f5..34a6065d95e6 100644 --- a/drivers/block/drbd/drbd_worker.c +++ b/drivers/block/drbd/drbd_worker.c @@ -969,7 +969,7 @@ int w_e_end_data_req(struct drbd_work *w, int cancel) } /** - * 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 -- 2.20.1