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Two more NFS client fixes for Linux 5.2

Browse source 
Stable bugfixes:
 - SUNRPC: Fix up calculation of client message length # 5.1+
 - NFS/flexfiles: Use the correct TCP timeout for flexfiles I/O # 4.8+
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Merge tag 'nfs-for-5.2-4' of git://git.linux-nfs.org/projects/anna/linux-nfs

Pull two more NFS client fixes from Anna Schumaker:
 "These are both stable fixes.

  One to calculate the correct client message length in the case of
  partial transmissions. And the other to set the proper TCP timeout for
  flexfiles"

* tag 'nfs-for-5.2-4' of git://git.linux-nfs.org/projects/anna/linux-nfs:
  NFS/flexfiles: Use the correct TCP timeout for flexfiles I/O
  SUNRPC: Fix up calculation of client message length
This commit is contained in:
Linus Torvalds 2019-06-29 17:02:22 +08:00
commit c949c30b26
2 changed files with 9 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
fs/nfs/flexfilelayout/flexfilelayoutdev.c
View file

@ -18,7 +18,7 @@
#define NFSDBG_FACILITY NFSDBG_PNFS_LD
static unsigned int dataserver_timeo = NFS_DEF_TCP_RETRANS;
static unsigned int dataserver_timeo = NFS_DEF_TCP_TIMEO;
static unsigned int dataserver_retrans;
static bool ff_layout_has_available_ds(struct pnfs_layout_segment *lseg);

16
net/sunrpc/xprtsock.c
View file

@ -950,6 +950,8 @@ static int xs_local_send_request(struct rpc_rqst *req)
struct sock_xprt *transport =
container_of(xprt, struct sock_xprt, xprt);
struct xdr_buf *xdr = &req->rq_snd_buf;
rpc_fraghdr rm = xs_stream_record_marker(xdr);
unsigned int msglen = rm ? req->rq_slen + sizeof(rm) : req->rq_slen;
int status;
int sent = 0;
@ -964,9 +966,7 @@ static int xs_local_send_request(struct rpc_rqst *req)
req->rq_xtime = ktime_get();
status = xs_sendpages(transport->sock, NULL, 0, xdr,
transport->xmit.offset,
xs_stream_record_marker(xdr),
&sent);
transport->xmit.offset, rm, &sent);
dprintk("RPC: %s(%u) = %d\n",
__func__, xdr->len - transport->xmit.offset, status);
@ -976,7 +976,7 @@ static int xs_local_send_request(struct rpc_rqst *req)
if (likely(sent > 0) || status == 0) {
transport->xmit.offset += sent;
req->rq_bytes_sent = transport->xmit.offset;
if (likely(req->rq_bytes_sent >= req->rq_slen)) {
if (likely(req->rq_bytes_sent >= msglen)) {
req->rq_xmit_bytes_sent += transport->xmit.offset;
transport->xmit.offset = 0;
return 0;
@ -1097,6 +1097,8 @@ static int xs_tcp_send_request(struct rpc_rqst *req)
struct rpc_xprt *xprt = req->rq_xprt;
struct sock_xprt *transport = container_of(xprt, struct sock_xprt, xprt);
struct xdr_buf *xdr = &req->rq_snd_buf;
rpc_fraghdr rm = xs_stream_record_marker(xdr);
unsigned int msglen = rm ? req->rq_slen + sizeof(rm) : req->rq_slen;
bool vm_wait = false;
int status;
int sent;
@ -1122,9 +1124,7 @@ static int xs_tcp_send_request(struct rpc_rqst *req)
while (1) {
sent = 0;
status = xs_sendpages(transport->sock, NULL, 0, xdr,
transport->xmit.offset,
xs_stream_record_marker(xdr),
&sent);
transport->xmit.offset, rm, &sent);
dprintk("RPC: xs_tcp_send_request(%u) = %d\n",
xdr->len - transport->xmit.offset, status);
@ -1133,7 +1133,7 @@ static int xs_tcp_send_request(struct rpc_rqst *req)
* reset the count of bytes sent. */
transport->xmit.offset += sent;
req->rq_bytes_sent = transport->xmit.offset;
if (likely(req->rq_bytes_sent >= req->rq_slen)) {
if (likely(req->rq_bytes_sent >= msglen)) {
req->rq_xmit_bytes_sent += transport->xmit.offset;
transport->xmit.offset = 0;
return 0;