xprtrdma: Memory allocation should be allowed to fail during connect

An attempt to establish a connection can always fail and then be
retried. GFP_KERNEL allocation is not necessary here.

Like MR allocation, establishing a connection is always done in a
worker thread. The new GFP flags align with the flags that would
be returned by rpc_task_gfp_mask() in this case.

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 2022-09-23 09:06:30 -04:00 committed by Anna Schumaker
parent 2d77058cce
commit 9c8f332fbf

View File

@ -372,7 +372,7 @@ static int rpcrdma_ep_create(struct rpcrdma_xprt *r_xprt)
struct rpcrdma_ep *ep; struct rpcrdma_ep *ep;
int rc; int rc;
ep = kzalloc(sizeof(*ep), GFP_KERNEL); ep = kzalloc(sizeof(*ep), XPRTRDMA_GFP_FLAGS);
if (!ep) if (!ep)
return -ENOTCONN; return -ENOTCONN;
ep->re_xprt = &r_xprt->rx_xprt; ep->re_xprt = &r_xprt->rx_xprt;
@ -605,7 +605,7 @@ static struct rpcrdma_sendctx *rpcrdma_sendctx_create(struct rpcrdma_ep *ep)
struct rpcrdma_sendctx *sc; struct rpcrdma_sendctx *sc;
sc = kzalloc(struct_size(sc, sc_sges, ep->re_attr.cap.max_send_sge), sc = kzalloc(struct_size(sc, sc_sges, ep->re_attr.cap.max_send_sge),
GFP_KERNEL); XPRTRDMA_GFP_FLAGS);
if (!sc) if (!sc)
return NULL; return NULL;
@ -628,7 +628,7 @@ static int rpcrdma_sendctxs_create(struct rpcrdma_xprt *r_xprt)
* Sends are posted. * Sends are posted.
*/ */
i = r_xprt->rx_ep->re_max_requests + RPCRDMA_MAX_BC_REQUESTS; i = r_xprt->rx_ep->re_max_requests + RPCRDMA_MAX_BC_REQUESTS;
buf->rb_sc_ctxs = kcalloc(i, sizeof(sc), GFP_KERNEL); buf->rb_sc_ctxs = kcalloc(i, sizeof(sc), XPRTRDMA_GFP_FLAGS);
if (!buf->rb_sc_ctxs) if (!buf->rb_sc_ctxs)
return -ENOMEM; return -ENOMEM;