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xprtrdma: Add a field of bit flags to struct rpcrdma_req 

We have one boolean flag in rpcrdma_req today. I'd like to add more
flags, so convert that boolean to a bit flag.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Chuck Lever 2017-10-20 10:48:20 -04:00 committed by Anna Schumaker
parent ae72950abf
commit 531cca0c9b
4 changed files with 8 additions and 4 deletions
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2
net/sunrpc/xprtrdma/backchannel.c
View File

@ -42,7 +42,7 @@ static int rpcrdma_bc_setup_rqst(struct rpcrdma_xprt *r_xprt,
req = rpcrdma_create_req(r_xprt);
if (IS_ERR(req))
return PTR_ERR(req);
req->rl_backchannel = true;
__set_bit(RPCRDMA_REQ_F_BACKCHANNEL, &req->rl_flags);
rb = rpcrdma_alloc_regbuf(RPCRDMA_HDRBUF_SIZE,
DMA_TO_DEVICE, GFP_KERNEL);

2
net/sunrpc/xprtrdma/transport.c
View File

@ -680,7 +680,7 @@ xprt_rdma_free(struct rpc_task *task)
struct rpcrdma_req *req = rpcr_to_rdmar(rqst);
struct rpcrdma_ia *ia = &r_xprt->rx_ia;
if (req->rl_backchannel)
if (test_bit(RPCRDMA_REQ_F_BACKCHANNEL, &req->rl_flags))
return;
dprintk("RPC: %s: called on 0x%p\n", __func__, req->rl_reply);

1
net/sunrpc/xprtrdma/verbs.c
View File

@ -1167,7 +1167,6 @@ rpcrdma_buffer_create(struct rpcrdma_xprt *r_xprt)
rc = PTR_ERR(req);
goto out;
}
req->rl_backchannel = false;
list_add(&req->rl_list, &buf->rb_send_bufs);
}

7
net/sunrpc/xprtrdma/xprt_rdma.h
View File

@ -377,12 +377,17 @@ struct rpcrdma_req {
struct rpcrdma_regbuf *rl_recvbuf; /* rq_rcv_buf */
struct list_head rl_all;
bool rl_backchannel;
unsigned long rl_flags;
struct list_head rl_registered; /* registered segments */
struct rpcrdma_mr_seg rl_segments[RPCRDMA_MAX_SEGS];
};
/* rl_flags */
enum {
RPCRDMA_REQ_F_BACKCHANNEL = 0,
};
static inline void
rpcrdma_set_xprtdata(struct rpc_rqst *rqst, struct rpcrdma_req *req)
{