* [PATCH v1 0/5] Continue making FRWR the only memreg scheme
@ 2021-04-10 18:57 Chuck Lever
2021-04-10 18:57 ` [PATCH v1 1/5] xprtrdma: Move fr_cid to struct rpcrdma_mr Chuck Lever
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: Chuck Lever @ 2021-04-10 18:57 UTC (permalink / raw)
To: linux-nfs, linux-rdma
Hi-
This series continues the work of making FRWR the only supported
memory registration mode. These are clean-up patches that remove
struct rpcrdma_frwr, hoisting all of its fields into struct
rpcrdma_mr. No behavior change is expected.
---
Chuck Lever (5):
xprtrdma: Move fr_cid to struct rpcrdma_mr
xprtrdma: Move cqe to struct rpcrdma_mr
xprtrdma: Move fr_linv_done field to struct rpcrdma_mr
xprtrdma: Move the Work Request union to struct rpcrdma_mr
xprtrdma: Move fr_mr field to struct rpcrdma_mr
include/trace/events/rpcrdma.h | 12 +++---
net/sunrpc/xprtrdma/frwr_ops.c | 76 +++++++++++++--------------------
net/sunrpc/xprtrdma/xprt_rdma.h | 19 ++++-----
3 files changed, 44 insertions(+), 63 deletions(-)
--
Chuck Lever
^ permalink raw reply [flat|nested] 6+ messages in thread
* [PATCH v1 1/5] xprtrdma: Move fr_cid to struct rpcrdma_mr
2021-04-10 18:57 [PATCH v1 0/5] Continue making FRWR the only memreg scheme Chuck Lever
@ 2021-04-10 18:57 ` Chuck Lever
2021-04-10 18:57 ` [PATCH v1 2/5] xprtrdma: Move cqe " Chuck Lever
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: Chuck Lever @ 2021-04-10 18:57 UTC (permalink / raw)
To: linux-nfs, linux-rdma
Clean up (for several purposes):
- The MR's cid is initialized sooner so that tracepoints can show
something reasonable even if the MR is never posted.
- The MR's res.id doesn't change so the cid won't change either.
Initializing the cid once is sufficient.
- struct rpcrdma_frwr is going away soon.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
---
net/sunrpc/xprtrdma/frwr_ops.c | 31 +++++++++++++++----------------
net/sunrpc/xprtrdma/xprt_rdma.h | 2 +-
2 files changed, 16 insertions(+), 17 deletions(-)
diff --git a/net/sunrpc/xprtrdma/frwr_ops.c b/net/sunrpc/xprtrdma/frwr_ops.c
index 0f47c1e24037..d3c18c776bf9 100644
--- a/net/sunrpc/xprtrdma/frwr_ops.c
+++ b/net/sunrpc/xprtrdma/frwr_ops.c
@@ -49,6 +49,15 @@
# define RPCDBG_FACILITY RPCDBG_TRANS
#endif
+static void frwr_cid_init(struct rpcrdma_ep *ep,
+ struct rpcrdma_mr *mr)
+{
+ struct rpc_rdma_cid *cid = &mr->mr_cid;
+
+ cid->ci_queue_id = ep->re_attr.send_cq->res.id;
+ cid->ci_completion_id = mr->frwr.fr_mr->res.id;
+}
+
static void frwr_mr_unmap(struct rpcrdma_xprt *r_xprt, struct rpcrdma_mr *mr)
{
if (mr->mr_device) {
@@ -134,6 +143,7 @@ int frwr_mr_init(struct rpcrdma_xprt *r_xprt, struct rpcrdma_mr *mr)
mr->mr_device = NULL;
INIT_LIST_HEAD(&mr->mr_list);
init_completion(&mr->frwr.fr_linv_done);
+ frwr_cid_init(ep, mr);
sg_init_table(sg, depth);
mr->mr_sg = sg;
@@ -358,22 +368,14 @@ static void frwr_wc_fastreg(struct ib_cq *cq, struct ib_wc *wc)
struct ib_cqe *cqe = wc->wr_cqe;
struct rpcrdma_frwr *frwr =
container_of(cqe, struct rpcrdma_frwr, fr_cqe);
+ struct rpcrdma_mr *mr = container_of(frwr, struct rpcrdma_mr, frwr);
/* WARNING: Only wr_cqe and status are reliable at this point */
- trace_xprtrdma_wc_fastreg(wc, &frwr->fr_cid);
+ trace_xprtrdma_wc_fastreg(wc, &mr->mr_cid);
rpcrdma_flush_disconnect(cq->cq_context, wc);
}
-static void frwr_cid_init(struct rpcrdma_ep *ep,
- struct rpcrdma_frwr *frwr)
-{
- struct rpc_rdma_cid *cid = &frwr->fr_cid;
-
- cid->ci_queue_id = ep->re_attr.send_cq->res.id;
- cid->ci_completion_id = frwr->fr_mr->res.id;
-}
-
/**
* frwr_send - post Send WRs containing the RPC Call message
* @r_xprt: controlling transport instance
@@ -404,7 +406,6 @@ int frwr_send(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req)
frwr = &mr->frwr;
frwr->fr_cqe.done = frwr_wc_fastreg;
- frwr_cid_init(ep, frwr);
frwr->fr_regwr.wr.next = post_wr;
frwr->fr_regwr.wr.wr_cqe = &frwr->fr_cqe;
frwr->fr_regwr.wr.num_sge = 0;
@@ -467,7 +468,7 @@ static void frwr_wc_localinv(struct ib_cq *cq, struct ib_wc *wc)
struct rpcrdma_mr *mr = container_of(frwr, struct rpcrdma_mr, frwr);
/* WARNING: Only wr_cqe and status are reliable at this point */
- trace_xprtrdma_wc_li(wc, &frwr->fr_cid);
+ trace_xprtrdma_wc_li(wc, &mr->mr_cid);
frwr_mr_done(wc, mr);
rpcrdma_flush_disconnect(cq->cq_context, wc);
@@ -488,7 +489,7 @@ static void frwr_wc_localinv_wake(struct ib_cq *cq, struct ib_wc *wc)
struct rpcrdma_mr *mr = container_of(frwr, struct rpcrdma_mr, frwr);
/* WARNING: Only wr_cqe and status are reliable at this point */
- trace_xprtrdma_wc_li_wake(wc, &frwr->fr_cid);
+ trace_xprtrdma_wc_li_wake(wc, &mr->mr_cid);
frwr_mr_done(wc, mr);
complete(&frwr->fr_linv_done);
@@ -529,7 +530,6 @@ void frwr_unmap_sync(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req)
frwr = &mr->frwr;
frwr->fr_cqe.done = frwr_wc_localinv;
- frwr_cid_init(ep, frwr);
last = &frwr->fr_invwr;
last->next = NULL;
last->wr_cqe = &frwr->fr_cqe;
@@ -585,7 +585,7 @@ static void frwr_wc_localinv_done(struct ib_cq *cq, struct ib_wc *wc)
struct rpcrdma_rep *rep;
/* WARNING: Only wr_cqe and status are reliable at this point */
- trace_xprtrdma_wc_li_done(wc, &frwr->fr_cid);
+ trace_xprtrdma_wc_li_done(wc, &mr->mr_cid);
/* Ensure that @rep is generated before the MR is released */
rep = mr->mr_req->rl_reply;
@@ -631,7 +631,6 @@ void frwr_unmap_async(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req)
frwr = &mr->frwr;
frwr->fr_cqe.done = frwr_wc_localinv;
- frwr_cid_init(ep, frwr);
last = &frwr->fr_invwr;
last->next = NULL;
last->wr_cqe = &frwr->fr_cqe;
diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h
index bb8aba390b88..0cf073f0ee64 100644
--- a/net/sunrpc/xprtrdma/xprt_rdma.h
+++ b/net/sunrpc/xprtrdma/xprt_rdma.h
@@ -232,7 +232,6 @@ struct rpcrdma_sendctx {
struct rpcrdma_frwr {
struct ib_mr *fr_mr;
struct ib_cqe fr_cqe;
- struct rpc_rdma_cid fr_cid;
struct completion fr_linv_done;
union {
struct ib_reg_wr fr_regwr;
@@ -254,6 +253,7 @@ struct rpcrdma_mr {
u32 mr_length;
u64 mr_offset;
struct list_head mr_all;
+ struct rpc_rdma_cid mr_cid;
};
/*
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [PATCH v1 2/5] xprtrdma: Move cqe to struct rpcrdma_mr
2021-04-10 18:57 [PATCH v1 0/5] Continue making FRWR the only memreg scheme Chuck Lever
2021-04-10 18:57 ` [PATCH v1 1/5] xprtrdma: Move fr_cid to struct rpcrdma_mr Chuck Lever
@ 2021-04-10 18:57 ` Chuck Lever
2021-04-10 18:57 ` [PATCH v1 3/5] xprtrdma: Move fr_linv_done field " Chuck Lever
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: Chuck Lever @ 2021-04-10 18:57 UTC (permalink / raw)
To: linux-nfs, linux-rdma
Clean up.
- Simplify variable initialization in the completion handlers.
- Move another field out of struct rpcrdma_frwr.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
---
net/sunrpc/xprtrdma/frwr_ops.c | 35 +++++++++++++++--------------------
net/sunrpc/xprtrdma/xprt_rdma.h | 2 +-
2 files changed, 16 insertions(+), 21 deletions(-)
diff --git a/net/sunrpc/xprtrdma/frwr_ops.c b/net/sunrpc/xprtrdma/frwr_ops.c
index d3c18c776bf9..2a886a28d82b 100644
--- a/net/sunrpc/xprtrdma/frwr_ops.c
+++ b/net/sunrpc/xprtrdma/frwr_ops.c
@@ -366,9 +366,7 @@ struct rpcrdma_mr_seg *frwr_map(struct rpcrdma_xprt *r_xprt,
static void frwr_wc_fastreg(struct ib_cq *cq, struct ib_wc *wc)
{
struct ib_cqe *cqe = wc->wr_cqe;
- struct rpcrdma_frwr *frwr =
- container_of(cqe, struct rpcrdma_frwr, fr_cqe);
- struct rpcrdma_mr *mr = container_of(frwr, struct rpcrdma_mr, frwr);
+ struct rpcrdma_mr *mr = container_of(cqe, struct rpcrdma_mr, mr_cqe);
/* WARNING: Only wr_cqe and status are reliable at this point */
trace_xprtrdma_wc_fastreg(wc, &mr->mr_cid);
@@ -405,9 +403,9 @@ int frwr_send(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req)
trace_xprtrdma_mr_fastreg(mr);
frwr = &mr->frwr;
- frwr->fr_cqe.done = frwr_wc_fastreg;
+ mr->mr_cqe.done = frwr_wc_fastreg;
frwr->fr_regwr.wr.next = post_wr;
- frwr->fr_regwr.wr.wr_cqe = &frwr->fr_cqe;
+ frwr->fr_regwr.wr.wr_cqe = &mr->mr_cqe;
frwr->fr_regwr.wr.num_sge = 0;
frwr->fr_regwr.wr.opcode = IB_WR_REG_MR;
frwr->fr_regwr.wr.send_flags = 0;
@@ -463,9 +461,7 @@ static void frwr_mr_done(struct ib_wc *wc, struct rpcrdma_mr *mr)
static void frwr_wc_localinv(struct ib_cq *cq, struct ib_wc *wc)
{
struct ib_cqe *cqe = wc->wr_cqe;
- struct rpcrdma_frwr *frwr =
- container_of(cqe, struct rpcrdma_frwr, fr_cqe);
- struct rpcrdma_mr *mr = container_of(frwr, struct rpcrdma_mr, frwr);
+ struct rpcrdma_mr *mr = container_of(cqe, struct rpcrdma_mr, mr_cqe);
/* WARNING: Only wr_cqe and status are reliable at this point */
trace_xprtrdma_wc_li(wc, &mr->mr_cid);
@@ -484,9 +480,8 @@ static void frwr_wc_localinv(struct ib_cq *cq, struct ib_wc *wc)
static void frwr_wc_localinv_wake(struct ib_cq *cq, struct ib_wc *wc)
{
struct ib_cqe *cqe = wc->wr_cqe;
- struct rpcrdma_frwr *frwr =
- container_of(cqe, struct rpcrdma_frwr, fr_cqe);
- struct rpcrdma_mr *mr = container_of(frwr, struct rpcrdma_mr, frwr);
+ struct rpcrdma_mr *mr = container_of(cqe, struct rpcrdma_mr, mr_cqe);
+ struct rpcrdma_frwr *frwr = &mr->frwr;
/* WARNING: Only wr_cqe and status are reliable at this point */
trace_xprtrdma_wc_li_wake(wc, &mr->mr_cid);
@@ -529,16 +524,17 @@ void frwr_unmap_sync(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req)
r_xprt->rx_stats.local_inv_needed++;
frwr = &mr->frwr;
- frwr->fr_cqe.done = frwr_wc_localinv;
last = &frwr->fr_invwr;
last->next = NULL;
- last->wr_cqe = &frwr->fr_cqe;
+ last->wr_cqe = &mr->mr_cqe;
last->sg_list = NULL;
last->num_sge = 0;
last->opcode = IB_WR_LOCAL_INV;
last->send_flags = IB_SEND_SIGNALED;
last->ex.invalidate_rkey = mr->mr_handle;
+ last->wr_cqe->done = frwr_wc_localinv;
+
*prev = last;
prev = &last->next;
}
@@ -547,7 +543,7 @@ void frwr_unmap_sync(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req)
* last WR in the chain completes, all WRs in the chain
* are complete.
*/
- frwr->fr_cqe.done = frwr_wc_localinv_wake;
+ last->wr_cqe->done = frwr_wc_localinv_wake;
reinit_completion(&frwr->fr_linv_done);
/* Transport disconnect drains the receive CQ before it
@@ -579,9 +575,7 @@ void frwr_unmap_sync(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req)
static void frwr_wc_localinv_done(struct ib_cq *cq, struct ib_wc *wc)
{
struct ib_cqe *cqe = wc->wr_cqe;
- struct rpcrdma_frwr *frwr =
- container_of(cqe, struct rpcrdma_frwr, fr_cqe);
- struct rpcrdma_mr *mr = container_of(frwr, struct rpcrdma_mr, frwr);
+ struct rpcrdma_mr *mr = container_of(cqe, struct rpcrdma_mr, mr_cqe);
struct rpcrdma_rep *rep;
/* WARNING: Only wr_cqe and status are reliable at this point */
@@ -630,16 +624,17 @@ void frwr_unmap_async(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req)
r_xprt->rx_stats.local_inv_needed++;
frwr = &mr->frwr;
- frwr->fr_cqe.done = frwr_wc_localinv;
last = &frwr->fr_invwr;
last->next = NULL;
- last->wr_cqe = &frwr->fr_cqe;
+ last->wr_cqe = &mr->mr_cqe;
last->sg_list = NULL;
last->num_sge = 0;
last->opcode = IB_WR_LOCAL_INV;
last->send_flags = IB_SEND_SIGNALED;
last->ex.invalidate_rkey = mr->mr_handle;
+ last->wr_cqe->done = frwr_wc_localinv;
+
*prev = last;
prev = &last->next;
}
@@ -649,7 +644,7 @@ void frwr_unmap_async(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req)
* are complete. The last completion will wake up the
* RPC waiter.
*/
- frwr->fr_cqe.done = frwr_wc_localinv_done;
+ last->wr_cqe->done = frwr_wc_localinv_done;
/* Transport disconnect drains the receive CQ before it
* replaces the QP. The RPC reply handler won't call us
diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h
index 0cf073f0ee64..f72b69c3f0ea 100644
--- a/net/sunrpc/xprtrdma/xprt_rdma.h
+++ b/net/sunrpc/xprtrdma/xprt_rdma.h
@@ -231,7 +231,6 @@ struct rpcrdma_sendctx {
*/
struct rpcrdma_frwr {
struct ib_mr *fr_mr;
- struct ib_cqe fr_cqe;
struct completion fr_linv_done;
union {
struct ib_reg_wr fr_regwr;
@@ -247,6 +246,7 @@ struct rpcrdma_mr {
struct scatterlist *mr_sg;
int mr_nents;
enum dma_data_direction mr_dir;
+ struct ib_cqe mr_cqe;
struct rpcrdma_frwr frwr;
struct rpcrdma_xprt *mr_xprt;
u32 mr_handle;
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [PATCH v1 3/5] xprtrdma: Move fr_linv_done field to struct rpcrdma_mr
2021-04-10 18:57 [PATCH v1 0/5] Continue making FRWR the only memreg scheme Chuck Lever
2021-04-10 18:57 ` [PATCH v1 1/5] xprtrdma: Move fr_cid to struct rpcrdma_mr Chuck Lever
2021-04-10 18:57 ` [PATCH v1 2/5] xprtrdma: Move cqe " Chuck Lever
@ 2021-04-10 18:57 ` Chuck Lever
2021-04-10 18:57 ` [PATCH v1 4/5] xprtrdma: Move the Work Request union " Chuck Lever
2021-04-10 18:57 ` [PATCH v1 5/5] xprtrdma: Move fr_mr field " Chuck Lever
4 siblings, 0 replies; 6+ messages in thread
From: Chuck Lever @ 2021-04-10 18:57 UTC (permalink / raw)
To: linux-nfs, linux-rdma
Clean up: Move more of struct rpcrdma_frwr into its parent.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
---
net/sunrpc/xprtrdma/frwr_ops.c | 9 ++++-----
net/sunrpc/xprtrdma/xprt_rdma.h | 2 +-
2 files changed, 5 insertions(+), 6 deletions(-)
diff --git a/net/sunrpc/xprtrdma/frwr_ops.c b/net/sunrpc/xprtrdma/frwr_ops.c
index 2a886a28d82b..7d7a64d2ca4a 100644
--- a/net/sunrpc/xprtrdma/frwr_ops.c
+++ b/net/sunrpc/xprtrdma/frwr_ops.c
@@ -142,7 +142,7 @@ int frwr_mr_init(struct rpcrdma_xprt *r_xprt, struct rpcrdma_mr *mr)
mr->frwr.fr_mr = frmr;
mr->mr_device = NULL;
INIT_LIST_HEAD(&mr->mr_list);
- init_completion(&mr->frwr.fr_linv_done);
+ init_completion(&mr->mr_linv_done);
frwr_cid_init(ep, mr);
sg_init_table(sg, depth);
@@ -481,12 +481,11 @@ static void frwr_wc_localinv_wake(struct ib_cq *cq, struct ib_wc *wc)
{
struct ib_cqe *cqe = wc->wr_cqe;
struct rpcrdma_mr *mr = container_of(cqe, struct rpcrdma_mr, mr_cqe);
- struct rpcrdma_frwr *frwr = &mr->frwr;
/* WARNING: Only wr_cqe and status are reliable at this point */
trace_xprtrdma_wc_li_wake(wc, &mr->mr_cid);
frwr_mr_done(wc, mr);
- complete(&frwr->fr_linv_done);
+ complete(&mr->mr_linv_done);
rpcrdma_flush_disconnect(cq->cq_context, wc);
}
@@ -544,7 +543,7 @@ void frwr_unmap_sync(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req)
* are complete.
*/
last->wr_cqe->done = frwr_wc_localinv_wake;
- reinit_completion(&frwr->fr_linv_done);
+ reinit_completion(&mr->mr_linv_done);
/* Transport disconnect drains the receive CQ before it
* replaces the QP. The RPC reply handler won't call us
@@ -558,7 +557,7 @@ void frwr_unmap_sync(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req)
* not happen, so don't wait in that case.
*/
if (bad_wr != first)
- wait_for_completion(&frwr->fr_linv_done);
+ wait_for_completion(&mr->mr_linv_done);
if (!rc)
return;
diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h
index f72b69c3f0ea..1374054b73fd 100644
--- a/net/sunrpc/xprtrdma/xprt_rdma.h
+++ b/net/sunrpc/xprtrdma/xprt_rdma.h
@@ -231,7 +231,6 @@ struct rpcrdma_sendctx {
*/
struct rpcrdma_frwr {
struct ib_mr *fr_mr;
- struct completion fr_linv_done;
union {
struct ib_reg_wr fr_regwr;
struct ib_send_wr fr_invwr;
@@ -247,6 +246,7 @@ struct rpcrdma_mr {
int mr_nents;
enum dma_data_direction mr_dir;
struct ib_cqe mr_cqe;
+ struct completion mr_linv_done;
struct rpcrdma_frwr frwr;
struct rpcrdma_xprt *mr_xprt;
u32 mr_handle;
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [PATCH v1 4/5] xprtrdma: Move the Work Request union to struct rpcrdma_mr
2021-04-10 18:57 [PATCH v1 0/5] Continue making FRWR the only memreg scheme Chuck Lever
` (2 preceding siblings ...)
2021-04-10 18:57 ` [PATCH v1 3/5] xprtrdma: Move fr_linv_done field " Chuck Lever
@ 2021-04-10 18:57 ` Chuck Lever
2021-04-10 18:57 ` [PATCH v1 5/5] xprtrdma: Move fr_mr field " Chuck Lever
4 siblings, 0 replies; 6+ messages in thread
From: Chuck Lever @ 2021-04-10 18:57 UTC (permalink / raw)
To: linux-nfs, linux-rdma
Clean up.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
---
net/sunrpc/xprtrdma/frwr_ops.c | 28 +++++++++-------------------
net/sunrpc/xprtrdma/xprt_rdma.h | 8 ++++----
2 files changed, 13 insertions(+), 23 deletions(-)
diff --git a/net/sunrpc/xprtrdma/frwr_ops.c b/net/sunrpc/xprtrdma/frwr_ops.c
index 7d7a64d2ca4a..bb2b9c607c71 100644
--- a/net/sunrpc/xprtrdma/frwr_ops.c
+++ b/net/sunrpc/xprtrdma/frwr_ops.c
@@ -333,7 +333,7 @@ struct rpcrdma_mr_seg *frwr_map(struct rpcrdma_xprt *r_xprt,
key = (u8)(ibmr->rkey & 0x000000FF);
ib_update_fast_reg_key(ibmr, ++key);
- reg_wr = &mr->frwr.fr_regwr;
+ reg_wr = &mr->mr_regwr;
reg_wr->mr = ibmr;
reg_wr->key = ibmr->rkey;
reg_wr->access = writing ?
@@ -398,19 +398,15 @@ int frwr_send(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req)
num_wrs = 1;
post_wr = send_wr;
list_for_each_entry(mr, &req->rl_registered, mr_list) {
- struct rpcrdma_frwr *frwr;
-
trace_xprtrdma_mr_fastreg(mr);
- frwr = &mr->frwr;
mr->mr_cqe.done = frwr_wc_fastreg;
- frwr->fr_regwr.wr.next = post_wr;
- frwr->fr_regwr.wr.wr_cqe = &mr->mr_cqe;
- frwr->fr_regwr.wr.num_sge = 0;
- frwr->fr_regwr.wr.opcode = IB_WR_REG_MR;
- frwr->fr_regwr.wr.send_flags = 0;
-
- post_wr = &frwr->fr_regwr.wr;
+ mr->mr_regwr.wr.next = post_wr;
+ mr->mr_regwr.wr.wr_cqe = &mr->mr_cqe;
+ mr->mr_regwr.wr.num_sge = 0;
+ mr->mr_regwr.wr.opcode = IB_WR_REG_MR;
+ mr->mr_regwr.wr.send_flags = 0;
+ post_wr = &mr->mr_regwr.wr;
++num_wrs;
}
@@ -506,7 +502,6 @@ void frwr_unmap_sync(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req)
struct ib_send_wr *first, **prev, *last;
struct rpcrdma_ep *ep = r_xprt->rx_ep;
const struct ib_send_wr *bad_wr;
- struct rpcrdma_frwr *frwr;
struct rpcrdma_mr *mr;
int rc;
@@ -515,15 +510,13 @@ void frwr_unmap_sync(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req)
* Chain the LOCAL_INV Work Requests and post them with
* a single ib_post_send() call.
*/
- frwr = NULL;
prev = &first;
while ((mr = rpcrdma_mr_pop(&req->rl_registered))) {
trace_xprtrdma_mr_localinv(mr);
r_xprt->rx_stats.local_inv_needed++;
- frwr = &mr->frwr;
- last = &frwr->fr_invwr;
+ last = &mr->mr_invwr;
last->next = NULL;
last->wr_cqe = &mr->mr_cqe;
last->sg_list = NULL;
@@ -608,22 +601,19 @@ void frwr_unmap_async(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req)
{
struct ib_send_wr *first, *last, **prev;
struct rpcrdma_ep *ep = r_xprt->rx_ep;
- struct rpcrdma_frwr *frwr;
struct rpcrdma_mr *mr;
int rc;
/* Chain the LOCAL_INV Work Requests and post them with
* a single ib_post_send() call.
*/
- frwr = NULL;
prev = &first;
while ((mr = rpcrdma_mr_pop(&req->rl_registered))) {
trace_xprtrdma_mr_localinv(mr);
r_xprt->rx_stats.local_inv_needed++;
- frwr = &mr->frwr;
- last = &frwr->fr_invwr;
+ last = &mr->mr_invwr;
last->next = NULL;
last->wr_cqe = &mr->mr_cqe;
last->sg_list = NULL;
diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h
index 1374054b73fd..99ef83d673d6 100644
--- a/net/sunrpc/xprtrdma/xprt_rdma.h
+++ b/net/sunrpc/xprtrdma/xprt_rdma.h
@@ -231,10 +231,6 @@ struct rpcrdma_sendctx {
*/
struct rpcrdma_frwr {
struct ib_mr *fr_mr;
- union {
- struct ib_reg_wr fr_regwr;
- struct ib_send_wr fr_invwr;
- };
};
struct rpcrdma_req;
@@ -247,6 +243,10 @@ struct rpcrdma_mr {
enum dma_data_direction mr_dir;
struct ib_cqe mr_cqe;
struct completion mr_linv_done;
+ union {
+ struct ib_reg_wr mr_regwr;
+ struct ib_send_wr mr_invwr;
+ };
struct rpcrdma_frwr frwr;
struct rpcrdma_xprt *mr_xprt;
u32 mr_handle;
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [PATCH v1 5/5] xprtrdma: Move fr_mr field to struct rpcrdma_mr
2021-04-10 18:57 [PATCH v1 0/5] Continue making FRWR the only memreg scheme Chuck Lever
` (3 preceding siblings ...)
2021-04-10 18:57 ` [PATCH v1 4/5] xprtrdma: Move the Work Request union " Chuck Lever
@ 2021-04-10 18:57 ` Chuck Lever
4 siblings, 0 replies; 6+ messages in thread
From: Chuck Lever @ 2021-04-10 18:57 UTC (permalink / raw)
To: linux-nfs, linux-rdma
Clean up: The last remaining field in struct rpcrdma_frwr has been
removed, so the struct can be eliminated.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
---
include/trace/events/rpcrdma.h | 12 ++++++------
net/sunrpc/xprtrdma/frwr_ops.c | 8 ++++----
net/sunrpc/xprtrdma/xprt_rdma.h | 7 ++-----
3 files changed, 12 insertions(+), 15 deletions(-)
diff --git a/include/trace/events/rpcrdma.h b/include/trace/events/rpcrdma.h
index ef6166b840e7..bd55908c1bef 100644
--- a/include/trace/events/rpcrdma.h
+++ b/include/trace/events/rpcrdma.h
@@ -379,7 +379,7 @@ DECLARE_EVENT_CLASS(xprtrdma_mr_class,
__entry->task_id = task->tk_pid;
__entry->client_id = task->tk_client->cl_clid;
- __entry->mr_id = mr->frwr.fr_mr->res.id;
+ __entry->mr_id = mr->mr_ibmr->res.id;
__entry->nents = mr->mr_nents;
__entry->handle = mr->mr_handle;
__entry->length = mr->mr_length;
@@ -420,7 +420,7 @@ DECLARE_EVENT_CLASS(xprtrdma_anonymous_mr_class,
),
TP_fast_assign(
- __entry->mr_id = mr->frwr.fr_mr->res.id;
+ __entry->mr_id = mr->mr_ibmr->res.id;
__entry->nents = mr->mr_nents;
__entry->handle = mr->mr_handle;
__entry->length = mr->mr_length;
@@ -903,7 +903,7 @@ TRACE_EVENT(xprtrdma_frwr_alloc,
),
TP_fast_assign(
- __entry->mr_id = mr->frwr.fr_mr->res.id;
+ __entry->mr_id = mr->mr_ibmr->res.id;
__entry->rc = rc;
),
@@ -931,7 +931,7 @@ TRACE_EVENT(xprtrdma_frwr_dereg,
),
TP_fast_assign(
- __entry->mr_id = mr->frwr.fr_mr->res.id;
+ __entry->mr_id = mr->mr_ibmr->res.id;
__entry->nents = mr->mr_nents;
__entry->handle = mr->mr_handle;
__entry->length = mr->mr_length;
@@ -964,7 +964,7 @@ TRACE_EVENT(xprtrdma_frwr_sgerr,
),
TP_fast_assign(
- __entry->mr_id = mr->frwr.fr_mr->res.id;
+ __entry->mr_id = mr->mr_ibmr->res.id;
__entry->addr = mr->mr_sg->dma_address;
__entry->dir = mr->mr_dir;
__entry->nents = sg_nents;
@@ -994,7 +994,7 @@ TRACE_EVENT(xprtrdma_frwr_maperr,
),
TP_fast_assign(
- __entry->mr_id = mr->frwr.fr_mr->res.id;
+ __entry->mr_id = mr->mr_ibmr->res.id;
__entry->addr = mr->mr_sg->dma_address;
__entry->dir = mr->mr_dir;
__entry->num_mapped = num_mapped;
diff --git a/net/sunrpc/xprtrdma/frwr_ops.c b/net/sunrpc/xprtrdma/frwr_ops.c
index bb2b9c607c71..285d73246fc2 100644
--- a/net/sunrpc/xprtrdma/frwr_ops.c
+++ b/net/sunrpc/xprtrdma/frwr_ops.c
@@ -55,7 +55,7 @@ static void frwr_cid_init(struct rpcrdma_ep *ep,
struct rpc_rdma_cid *cid = &mr->mr_cid;
cid->ci_queue_id = ep->re_attr.send_cq->res.id;
- cid->ci_completion_id = mr->frwr.fr_mr->res.id;
+ cid->ci_completion_id = mr->mr_ibmr->res.id;
}
static void frwr_mr_unmap(struct rpcrdma_xprt *r_xprt, struct rpcrdma_mr *mr)
@@ -79,7 +79,7 @@ void frwr_mr_release(struct rpcrdma_mr *mr)
frwr_mr_unmap(mr->mr_xprt, mr);
- rc = ib_dereg_mr(mr->frwr.fr_mr);
+ rc = ib_dereg_mr(mr->mr_ibmr);
if (rc)
trace_xprtrdma_frwr_dereg(mr, rc);
kfree(mr->mr_sg);
@@ -139,7 +139,7 @@ int frwr_mr_init(struct rpcrdma_xprt *r_xprt, struct rpcrdma_mr *mr)
goto out_list_err;
mr->mr_xprt = r_xprt;
- mr->frwr.fr_mr = frmr;
+ mr->mr_ibmr = frmr;
mr->mr_device = NULL;
INIT_LIST_HEAD(&mr->mr_list);
init_completion(&mr->mr_linv_done);
@@ -323,7 +323,7 @@ struct rpcrdma_mr_seg *frwr_map(struct rpcrdma_xprt *r_xprt,
goto out_dmamap_err;
mr->mr_device = ep->re_id->device;
- ibmr = mr->frwr.fr_mr;
+ ibmr = mr->mr_ibmr;
n = ib_map_mr_sg(ibmr, mr->mr_sg, dma_nents, NULL, PAGE_SIZE);
if (n != dma_nents)
goto out_mapmr_err;
diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h
index 99ef83d673d6..436ad7312614 100644
--- a/net/sunrpc/xprtrdma/xprt_rdma.h
+++ b/net/sunrpc/xprtrdma/xprt_rdma.h
@@ -229,14 +229,12 @@ struct rpcrdma_sendctx {
* An external memory region is any buffer or page that is registered
* on the fly (ie, not pre-registered).
*/
-struct rpcrdma_frwr {
- struct ib_mr *fr_mr;
-};
-
struct rpcrdma_req;
struct rpcrdma_mr {
struct list_head mr_list;
struct rpcrdma_req *mr_req;
+
+ struct ib_mr *mr_ibmr;
struct ib_device *mr_device;
struct scatterlist *mr_sg;
int mr_nents;
@@ -247,7 +245,6 @@ struct rpcrdma_mr {
struct ib_reg_wr mr_regwr;
struct ib_send_wr mr_invwr;
};
- struct rpcrdma_frwr frwr;
struct rpcrdma_xprt *mr_xprt;
u32 mr_handle;
u32 mr_length;
^ permalink raw reply related [flat|nested] 6+ messages in thread
end of thread, other threads:[~2021-04-10 18:57 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-04-10 18:57 [PATCH v1 0/5] Continue making FRWR the only memreg scheme Chuck Lever
2021-04-10 18:57 ` [PATCH v1 1/5] xprtrdma: Move fr_cid to struct rpcrdma_mr Chuck Lever
2021-04-10 18:57 ` [PATCH v1 2/5] xprtrdma: Move cqe " Chuck Lever
2021-04-10 18:57 ` [PATCH v1 3/5] xprtrdma: Move fr_linv_done field " Chuck Lever
2021-04-10 18:57 ` [PATCH v1 4/5] xprtrdma: Move the Work Request union " Chuck Lever
2021-04-10 18:57 ` [PATCH v1 5/5] xprtrdma: Move fr_mr field " Chuck Lever
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