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Two more quick bugfixes for nfsd, fixing a regression causing mount 

failures on high-memory machines and fixing the DRC over RDMA.
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Merge tag 'nfsd-5.2-2' of git://linux-nfs.org/~bfields/linux

Pull nfsd fixes from Bruce Fields:
 "Two more quick bugfixes for nfsd: fixing a regression causing mount
  failures on high-memory machines and fixing the DRC over RDMA"

* tag 'nfsd-5.2-2' of git://linux-nfs.org/~bfields/linux:
  nfsd: Fix overflow causing non-working mounts on 1 TB machines
  svcrdma: Ignore source port when computing DRC hash
This commit is contained in:
Linus Torvalds 2019-07-05 19:00:37 -07:00
parent 3f9c4dc633 3b2d4dcf71
commit a8f46b5afe
2 changed files with 7 additions and 2 deletions
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2
fs/nfsd/nfs4state.c
View File

@ -1563,7 +1563,7 @@ static u32 nfsd4_get_drc_mem(struct nfsd4_channel_attrs *ca)
* Never use more than a third of the remaining memory,
* unless it's the only way to give this client a slot:
*/
avail = clamp_t(int, avail, slotsize, total_avail/3);
avail = clamp_t(unsigned long, avail, slotsize, total_avail/3);
num = min_t(int, num, avail / slotsize);
nfsd_drc_mem_used += num * slotsize;
spin_unlock(&nfsd_drc_lock);

7
net/sunrpc/xprtrdma/svc_rdma_transport.c
View File

@ -211,9 +211,14 @@ static void handle_connect_req(struct rdma_cm_id *new_cma_id,
/* Save client advertised inbound read limit for use later in accept. */
newxprt->sc_ord = param->initiator_depth;
/* Set the local and remote addresses in the transport */
sa = (struct sockaddr *)&newxprt->sc_cm_id->route.addr.dst_addr;
svc_xprt_set_remote(&newxprt->sc_xprt, sa, svc_addr_len(sa));
/* The remote port is arbitrary and not under the control of the
* client ULP. Set it to a fixed value so that the DRC continues
* to be effective after a reconnect.
*/
rpc_set_port((struct sockaddr *)&newxprt->sc_xprt.xpt_remote, 0);
sa = (struct sockaddr *)&newxprt->sc_cm_id->route.addr.src_addr;
svc_xprt_set_local(&newxprt->sc_xprt, sa, svc_addr_len(sa));