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2a9278ac9c
linux/net
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David Howells 53e9b62672 rxrpc: Fix afs large storage transmission performance drop 
[ Upstream commit 02c28dffb1 ]

Commit 2ad6691d98, which moved the modification of the status annotation
for a packet in the Tx buffer prior to the retransmission moved the state
clearance, but managed to lose the bit that set it to UNACK.

Consequently, if a retransmission occurs, the packet is accidentally
changed to the ACK state (ie. 0) by masking it off, which means that the
packet isn't counted towards the tally of newly-ACK'd packets if it gets
hard-ACK'd.  This then prevents the congestion control algorithm from
recovering properly.

Fix by reinstating the change of state to UNACK.

Spotted by the generic/460 xfstest.

Fixes: 2ad6691d98 ("rxrpc: Fix race between incoming ACK parser and retransmitter")
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-07-09 09:37:52 +02:00
..
6lowpan 6lowpan: no need to check return value of debugfs_create functions 2019-07-06 12:50:01 +02:00
9p 9p pull request for inclusion in 5.4 2019-09-27 15:10:34 -07:00
802 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
8021q vlan: vlan_changelink() should propagate errors 2020-01-12 12:21:50 +01:00
appletalk appletalk: enforce CAP_NET_RAW for raw sockets 2019-09-24 16:37:18 +02:00
atm net: atm: Reduce the severity of logging in unlink_clip_vcc 2019-11-18 17:08:20 -08:00
ax25 ax25: fix setsockopt(SO_BINDTODEVICE) 2020-06-03 08:20:39 +02:00
batman-adv batman-adv: Revert "disable ethtool link speed detection when auto negotiation off" 2020-06-22 09:30:56 +02:00
bluetooth Bluetooth: Add SCO fallback for invalid LMP parameters error 2020-06-22 09:30:54 +02:00
bpf bpf/flow_dissector: support flags in BPF_PROG_TEST_RUN 2019-07-25 18:00:41 -07:00
bpfilter net/bpfilter: remove superfluous testing message 2020-04-21 09:04:53 +02:00
bridge net: bridge: enfore alignment for ethernet address 2020-06-30 15:36:44 -04:00
caif net: use skb_queue_empty_lockless() in poll() handlers 2019-10-28 13:33:41 -07:00
can can: j1939: j1939_sk_bind(): take priv after lock is held 2019-12-31 16:45:56 +01:00
ceph libceph: ignore pool overlay and cache logic on redirects 2020-06-03 08:21:25 +02:00
core net: increment xmit_recursion level in dev_direct_xmit() 2020-06-30 15:36:44 -04:00
dcb
dccp dccp: Fix possible memleak in dccp_init and dccp_fini 2020-06-17 16:40:32 +02:00
decnet net: add bool confirm_neigh parameter for dst_ops.update_pmtu 2020-01-04 19:18:58 +01:00
dns_resolver KEYS: Don't write out to userspace while holding key semaphore 2020-04-23 10:36:45 +02:00
dsa net: dsa: declare lockless TX feature for slave ports 2020-06-03 08:21:38 +02:00
ethernet net: add annotations on hh->hh_len lockless accesses 2020-01-09 10:20:06 +01:00
hsr hsr: check protocol version in hsr_newlink() 2020-04-21 09:04:44 +02:00
ieee802154 nl802154: add missing attribute validation for dev_type 2020-03-18 07:17:44 +01:00
ife net: Fix Kconfig indentation 2019-09-26 08:56:17 +02:00
ipv4 tcp_cubic: fix spurious HYSTART_DELAY exit upon drop in min RTT 2020-06-30 15:36:47 -04:00
ipv6 ip6_gre: fix use-after-free in ip6gre_tunnel_lookup() 2020-06-30 15:36:46 -04:00
iucv net/af_iucv: mark expected switch fall-throughs 2019-07-29 10:26:14 -07:00
kcm kcm: disable preemption in kcm_parse_func_strparser() 2019-09-27 10:27:14 +02:00
key Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-07-08 19:48:57 -07:00
l2tp l2tp: do not use inet_hash()/inet_unhash() 2020-06-10 20:24:54 +02:00
l3mdev ipv6: convert major tx path to use RT6_LOOKUP_F_DST_NOREF 2019-06-23 13:24:17 -07:00
lapb Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-06-17 20:20:36 -07:00
llc llc2: Fix return statement of llc_stat_ev_rx_null_dsap_xid_c (and _test_c) 2020-01-12 12:21:45 +01:00
mac80211 mac80211: mesh: fix discovery timer re-arming issue / crash 2020-06-03 08:21:30 +02:00
mac802154
mpls net: ipv6_stub: use ip6_dst_lookup_flow instead of ip6_dst_lookup 2019-12-18 16:08:42 +01:00
ncsi net/ncsi: Disable global multicast filter 2019-09-19 18:04:40 -07:00
netfilter netfilter: ipset: fix unaligned atomic access 2020-06-30 15:37:01 -04:00
netlabel netlabel: cope with NULL catmap 2020-05-20 08:20:08 +02:00
netlink netlink: Use netlink header as base to calculate bad attribute offset 2020-03-18 07:17:40 +01:00
netrom net: netrom: Fix potential nr_neigh refcnt leak in nr_add_node 2020-04-29 16:33:08 +02:00
nfc nfc: add missing attribute validation for vendor subcommand 2020-03-18 07:17:46 +01:00
nsh treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
openvswitch openvswitch: take into account de-fragmentation/gso_size in execute_check_pkt_len 2020-06-30 15:36:45 -04:00
packet net/packet: tpacket_rcv: avoid a producer race condition 2020-04-01 11:01:35 +02:00
phonet net: use skb_queue_empty_lockless() in poll() handlers 2019-10-28 13:33:41 -07:00
psample net: psample: fix skb_over_panic 2019-12-04 22:30:54 +01:00
qrtr net: qrtr: Fix passing invalid reference to qrtr_local_enqueue() 2020-06-03 08:21:00 +02:00
rds net/rds: Use ERR_PTR for rds_message_alloc_sgs() 2020-05-20 08:20:27 +02:00
rfkill rfkill: Fix incorrect check to avoid NULL pointer dereference 2020-01-12 12:21:33 +01:00
rose net: core: add generic lockdep keys 2019-10-24 14:53:48 -07:00
rxrpc rxrpc: Fix afs large storage transmission performance drop 2020-07-09 09:37:52 +02:00
sched net: sched: export __netdev_watchdog_up() 2020-06-30 15:36:47 -04:00
sctp sctp: Don't advertise IPv4 addresses if ipv6only is set on the socket 2020-06-30 15:36:45 -04:00
smc net/smc: cancel event worker during device removal 2020-03-18 07:17:59 +01:00
strparser Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-06-22 08:59:24 -04:00
sunrpc xprtrdma: Fix handling of RDMA_ERROR replies 2020-06-30 15:37:12 -04:00
switchdev
tipc tipc: block BH before using dst_cache 2020-06-03 08:21:03 +02:00
tls bpf: Fix running sk_skb program types with ktls 2020-06-22 09:31:12 +02:00
unix af_unix: add compat_ioctl support 2020-01-17 19:48:52 +01:00
vmw_vsock vsock: fix timeout in vsock_accept() 2020-06-10 20:24:55 +02:00
wimax wimax: no need to check return value of debugfs_create functions 2019-08-10 15:25:47 -07:00
wireless cfg80211: fix debugfs rename crash 2020-06-03 08:21:29 +02:00
x25 net/x25: Fix x25_neigh refcnt leak when receiving frame 2020-04-29 16:33:09 +02:00
xdp xdp: Fix xsk_generic_xmit errno 2020-06-24 17:50:44 +02:00
xfrm xfrm: Fix double ESP trailer insertion in IPsec crypto offload. 2020-06-30 15:36:53 -04:00
compat.c uio: make import_iovec()/compat_import_iovec() return bytes on success 2019-05-31 15:30:03 -06:00
Kconfig net: Fix CONFIG_NET_CLS_ACT=n and CONFIG_NFT_FWD_NETDEV={y, m} build 2020-04-01 11:02:18 +02:00
Makefile
socket.c compat_ioctl: handle SIOCOUTQNSD 2020-01-17 19:48:52 +01:00
sysctl_net.c