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38a7031559
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Chuck Lever 38a7031559 NFSD: Clean up legacy NFS SYMLINK argument XDR decoders 
Move common code in NFSD's legacy SYMLINK decoders into a helper.
The immediate benefits include:

 - one fewer data copies on transports that support DDP
 - consistent error checking across all versions
 - reduction of code duplication
 - support for both legal forms of SYMLINK requests on RDMA
   transports for all versions of NFS (in particular, NFSv2, for
   completeness)

In the long term, this helper is an appropriate spot to perform a
per-transport call-out to fill the pathname argument using, say,
RDMA Reads.

Filling the pathname in the proc function also means that eventually
the incoming filehandle can be interpreted so that filesystem-
specific memory can be allocated as a sink for the pathname
argument, rather than using anonymous pages.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2018-04-03 15:08:16 -04:00
..
6lowpan License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
9p virtio: bugfixes 2018-02-15 14:29:27 -08:00
802 treewide: setup_timer() -> timer_setup() 2017-11-21 15:57:07 -08:00
8021q net: delete /proc THIS_MODULE references 2018-01-16 15:01:33 -05:00
appletalk net: delete /proc THIS_MODULE references 2018-01-16 15:01:33 -05:00
atm vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
ax25 net: delete /proc THIS_MODULE references 2018-01-16 15:01:33 -05:00
batman-adv vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
bluetooth vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
bpf bpf: fix null pointer deref in bpf_prog_test_run_xdp 2018-02-01 07:43:56 -08:00
bridge net: bridge: Fix uninitialized error in br_fdb_sync_static() 2018-02-01 09:47:37 -05:00
caif vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
can can: migrate documentation to restructured text 2018-01-26 10:46:44 +01:00
ceph libceph: check kstrndup() return value 2018-01-29 18:36:12 +01:00
core vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
dcb rtnetlink: make rtnl_register accept a flags parameter 2017-08-09 16:57:38 -07:00
dccp vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
decnet vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
dns_resolver afs: Support the AFS dynamic root 2018-02-06 14:43:37 +00:00
dsa net: dsa: Support internal phy on 'cpu' port 2018-01-23 19:22:38 -05:00
ethernet
hsr net: hsr: Convert timers to use timer_setup() 2017-10-25 13:00:27 +09:00
ieee802154 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-11-04 09:26:51 +09:00
ife MAINTAINERS: Update Yotam's E-mail 2017-11-01 12:19:03 +09:00
ipv4 vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
ipv6 tcp: tracepoint: only call trace_tcp_send_reset with full socket 2018-02-07 22:00:42 -05:00
iucv vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
kcm vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
key af_key: Fix memory leak in key_notify_policy. 2018-01-10 09:45:11 +01:00
l2tp l2tp: remove switch block in l2tp_nl_cmd_session_create() 2018-01-19 15:10:23 -05:00
l3mdev
lapb treewide: Remove TIMER_FUNC_TYPE and TIMER_DATA_TYPE casts 2017-11-21 16:35:54 -08:00
llc net: delete /proc THIS_MODULE references 2018-01-16 15:01:33 -05:00
mac80211 debugfs_sta: Remove unneeded semicolons 2018-01-22 14:03:28 +01:00
mac802154 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-11-04 09:26:51 +09:00
mpls mpls, nospec: Sanitize array index in mpls_label_ok() 2018-02-08 15:24:12 -05:00
ncsi net/ncsi: Don't take any action on HNCDSC AEN 2017-12-18 14:50:11 -05:00
netfilter netfilter: nf_flow_offload: fix use-after-free and a resource leak 2018-02-07 11:55:52 +01:00
netlabel net/netlabel: Add list_next_rcu() in rcu_dereference(). 2017-11-18 10:32:41 +09:00
netlink netlink: ensure to loop over all netns in genlmsg_multicast_allns() 2018-02-08 14:03:18 -05:00
netrom net: delete /proc THIS_MODULE references 2018-01-16 15:01:33 -05:00
nfc vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
nsh openvswitch: enable NSH support 2017-11-08 16:12:33 +09:00
openvswitch openvswitch: Remove padding from packet before L3+ conntrack processing 2018-02-01 09:46:22 -05:00
packet vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
phonet vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
psample MAINTAINERS: Update Yotam's E-mail 2017-11-01 12:19:03 +09:00
qrtr net: use rtnl_register_module where needed 2017-12-04 11:32:39 -05:00
rds vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
rfkill vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
rose net: delete /proc THIS_MODULE references 2018-01-16 15:01:33 -05:00
rxrpc vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
sched Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-02-09 15:34:18 -08:00
sctp vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
smc vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
strparser strparser: Call sock_owned_by_user_nocheck 2017-12-28 14:28:22 -05:00
sunrpc NFSD: Clean up legacy NFS SYMLINK argument XDR decoders 2018-04-03 15:08:16 -04:00
switchdev net: bridge: Add/del switchdev object on host join/leave 2017-11-10 13:41:40 +09:00
tipc vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
tls net: add a UID to use for ULP socket assignment 2018-02-06 11:39:31 +01:00
unix vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
vmw_vsock vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
wimax License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
wireless Merge branch 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-02-04 11:45:55 -08:00
x25 treewide: Remove TIMER_FUNC_TYPE and TIMER_DATA_TYPE casts 2017-11-21 16:35:54 -08:00
xfrm Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next 2018-01-26 10:22:53 -05:00
compat.c net: compat: assert the size of cmsg copied in is as expected 2017-09-20 15:36:18 -07:00
Kconfig Staging/IIO patches for 4.16-rc1 2018-02-01 09:51:57 -08:00
Makefile ipx: move Novell IPX protocol support into staging 2017-11-28 13:55:00 +01:00
socket.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2018-01-31 14:31:10 -08:00
sysctl_net.c