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xprtrdma: Delete rpcrdma_recv_buffer_put()

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Clean up: The name recv_buffer_put() is a vestige of older code,
and the function is just a wrapper for the newer rpcrdma_rep_put().
In most of the existing call sites, a pointer to the owning
rpcrdma_buffer is already available.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Chuck Lever 2021-04-19 14:02:47 -04:00 committed by Trond Myklebust
parent 35d8b10a25
commit c35ca60d49
4 changed files with 14 additions and 20 deletions
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4
net/sunrpc/xprtrdma/backchannel.c
View File

@ -155,9 +155,11 @@ void xprt_rdma_bc_destroy(struct rpc_xprt *xprt, unsigned int reqs)
void xprt_rdma_bc_free_rqst(struct rpc_rqst *rqst)
{
struct rpcrdma_req *req = rpcr_to_rdmar(rqst);
struct rpcrdma_rep *rep = req->rl_reply;
struct rpc_xprt *xprt = rqst->rq_xprt;
struct rpcrdma_xprt *r_xprt = rpcx_to_rdmax(xprt);
rpcrdma_recv_buffer_put(req->rl_reply);
rpcrdma_rep_put(&r_xprt->rx_buf, rep);
req->rl_reply = NULL;
spin_lock(&xprt->bc_pa_lock);

4
net/sunrpc/xprtrdma/rpc_rdma.c
View File

@ -1437,7 +1437,7 @@ void rpcrdma_reply_handler(struct rpcrdma_rep *rep)
req = rpcr_to_rdmar(rqst);
if (unlikely(req->rl_reply))
rpcrdma_recv_buffer_put(req->rl_reply);
rpcrdma_rep_put(buf, req->rl_reply);
req->rl_reply = rep;
rep->rr_rqst = rqst;
@ -1465,5 +1465,5 @@ out_shortreply:
trace_xprtrdma_reply_short_err(rep);
out:
rpcrdma_recv_buffer_put(rep);
rpcrdma_rep_put(buf, rep);
}

24
net/sunrpc/xprtrdma/verbs.c
View File

@ -80,8 +80,6 @@ static void rpcrdma_sendctx_put_locked(struct rpcrdma_xprt *r_xprt,
struct rpcrdma_sendctx *sc);
static int rpcrdma_reqs_setup(struct rpcrdma_xprt *r_xprt);
static void rpcrdma_reqs_reset(struct rpcrdma_xprt *r_xprt);
static void rpcrdma_rep_put(struct rpcrdma_buffer *buf,
struct rpcrdma_rep *rep);
static void rpcrdma_rep_destroy(struct rpcrdma_rep *rep);
static void rpcrdma_reps_unmap(struct rpcrdma_xprt *r_xprt);
static void rpcrdma_mrs_create(struct rpcrdma_xprt *r_xprt);
@ -1036,8 +1034,13 @@ static struct rpcrdma_rep *rpcrdma_rep_get_locked(struct rpcrdma_buffer *buf)
return llist_entry(node, struct rpcrdma_rep, rr_node);
}
static void rpcrdma_rep_put(struct rpcrdma_buffer *buf,
struct rpcrdma_rep *rep)
/**
* rpcrdma_rep_put - Release rpcrdma_rep back to free list
* @buf: buffer pool
* @rep: rep to release
*
*/
void rpcrdma_rep_put(struct rpcrdma_buffer *buf, struct rpcrdma_rep *rep)
{
llist_add(&rep->rr_node, &buf->rb_free_reps);
}
@ -1252,17 +1255,6 @@ void rpcrdma_buffer_put(struct rpcrdma_buffer *buffers, struct rpcrdma_req *req)
spin_unlock(&buffers->rb_lock);
}
/**
* rpcrdma_recv_buffer_put - Release rpcrdma_rep back to free list
* @rep: rep to release
*
* Used after error conditions.
*/
void rpcrdma_recv_buffer_put(struct rpcrdma_rep *rep)
{
rpcrdma_rep_put(&rep->rr_rxprt->rx_buf, rep);
}
/* Returns a pointer to a rpcrdma_regbuf object, or NULL.
*
* xprtrdma uses a regbuf for posting an outgoing RDMA SEND, or for
@ -1455,7 +1447,7 @@ out:
rep = container_of(wr, struct rpcrdma_rep, rr_recv_wr);
wr = wr->next;
rpcrdma_recv_buffer_put(rep);
rpcrdma_rep_put(buf, rep);
--count;
}
}

2
net/sunrpc/xprtrdma/xprt_rdma.h
View File

@ -481,7 +481,7 @@ void rpcrdma_mrs_refresh(struct rpcrdma_xprt *r_xprt);
struct rpcrdma_req *rpcrdma_buffer_get(struct rpcrdma_buffer *);
void rpcrdma_buffer_put(struct rpcrdma_buffer *buffers,
struct rpcrdma_req *req);
void rpcrdma_recv_buffer_put(struct rpcrdma_rep *);
void rpcrdma_rep_put(struct rpcrdma_buffer *buf, struct rpcrdma_rep *rep);
bool rpcrdma_regbuf_realloc(struct rpcrdma_regbuf *rb, size_t size,
gfp_t flags);