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2019-02-20SUNRPC: Further cleanups of xs_sendpages()Trond Myklebust
Now that we send the pages using a struct msghdr, instead of using sendpage(), we no longer need to 'prime the socket' with an address for unconnected UDP messages. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2019-02-20SUNRPC: Convert socket page send code to use iov_iter()Trond Myklebust
Simplify the page send code using iov_iter and bvecs. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2019-02-20SUNRPC: Convert xs_send_kvec() to use iov_iter_kvec()Trond Myklebust
Prepare to the socket transmission code to use iov_iter. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2019-02-20SUNRPC: Initiate a connection close on an ESHUTDOWN error in stream receiveTrond Myklebust
If the client stream receive code receives an ESHUTDOWN error either because the server closed the connection, or because it sent a callback which cannot be processed, then we should shut down the connection. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2019-02-20SUNRPC: Don't suppress socket errors when a message read completesTrond Myklebust
If the message read completes, but the socket returned an error condition, we should ensure to propagate that error. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2019-02-20SUNRPC: Handle zero length fragments correctlyTrond Myklebust
A zero length fragment is really a bug, but let's ensure we don't go nuts when one turns up. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2019-02-20SUNRPC: Don't reset the stream record info when the receive worker is runningTrond Myklebust
To ensure that the receive worker has exclusive access to the stream record info, we must not reset the contents other than when holding the transport->recv_mutex. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2019-02-20SUNRPC: Ensure rq_bytes_sent is reset before request transmissionTrond Myklebust
When we resend a request, ensure that the 'rq_bytes_sent' is reset to zero. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2019-02-20SUNRPC: Use poll() to fix up the socket requeue racesTrond Myklebust
Because we clear XPRT_SOCK_DATA_READY before reading, we can end up with a situation where new data arrives, causing xs_data_ready() to queue up a second receive worker job for the same socket, which then immediately gets stuck waiting on the transport receive mutex. The fix is to only clear XPRT_SOCK_DATA_READY once we're done reading, and then to use poll() to check if we might need to queue up a new job in order to deal with any new data. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2019-02-20SUNRPC: Set memalloc_nofs_save() on all rpciod/xprtiod jobsTrond Myklebust
Set memalloc_nofs_save() on all the rpciod/xprtiod jobs so that we ensure memory allocations for asynchronous rpc calls don't ever end up recursing back to the NFS layer for memory reclaim. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2019-02-13SUNRPC: Remove rpc_xprt::tsh_sizeChuck Lever
tsh_size was added to accommodate transports that send a pre-amble before each RPC message. However, this assumes the pre-amble is fixed in size, which isn't true for some transports. That makes tsh_size not very generic. Also I'd like to make the estimation of RPC send and receive buffer sizes more precise. tsh_size doesn't currently appear to be accounted for at all by call_allocate. Therefore let's just remove the tsh_size concept, and make the only transports that have a non-zero tsh_size employ a direct approach. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2019-01-08SUNRPC: Fix TCP receive code on archs with flush_dcache_page()Trond Myklebust
After receiving data into the page cache, we need to call flush_dcache_page() for the architectures that define it. Fixes: 277e4ab7d530b ("SUNRPC: Simplify TCP receive code by switching...") Reported-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Cc: stable@vger.kernel.org # v4.20 Tested-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2019-01-02Merge tag 'nfs-for-4.21-1' of git://git.linux-nfs.org/projects/anna/linux-nfsLinus Torvalds
Pull NFS client updates from Anna Schumaker: "Stable bugfixes: - xprtrdma: Yet another double DMA-unmap # v4.20 Features: - Allow some /proc/sys/sunrpc entries without CONFIG_SUNRPC_DEBUG - Per-xprt rdma receive workqueues - Drop support for FMR memory registration - Make port= mount option optional for RDMA mounts Other bugfixes and cleanups: - Remove unused nfs4_xdev_fs_type declaration - Fix comments for behavior that has changed - Remove generic RPC credentials by switching to 'struct cred' - Fix crossing mountpoints with different auth flavors - Various xprtrdma fixes from testing and auditing the close code - Fixes for disconnect issues when using xprtrdma with krb5 - Clean up and improve xprtrdma trace points - Fix NFS v4.2 async copy reboot recovery" * tag 'nfs-for-4.21-1' of git://git.linux-nfs.org/projects/anna/linux-nfs: (63 commits) sunrpc: convert to DEFINE_SHOW_ATTRIBUTE sunrpc: Add xprt after nfs4_test_session_trunk() sunrpc: convert unnecessary GFP_ATOMIC to GFP_NOFS sunrpc: handle ENOMEM in rpcb_getport_async NFS: remove unnecessary test for IS_ERR(cred) xprtrdma: Prevent leak of rpcrdma_rep objects NFSv4.2 fix async copy reboot recovery xprtrdma: Don't leak freed MRs xprtrdma: Add documenting comment for rpcrdma_buffer_destroy xprtrdma: Replace outdated comment for rpcrdma_ep_post xprtrdma: Update comments in frwr_op_send SUNRPC: Fix some kernel doc complaints SUNRPC: Simplify defining common RPC trace events NFS: Fix NFSv4 symbolic trace point output xprtrdma: Trace mapping, alloc, and dereg failures xprtrdma: Add trace points for calls to transport switch methods xprtrdma: Relocate the xprtrdma_mr_map trace points xprtrdma: Clean up of xprtrdma chunk trace points xprtrdma: Remove unused fields from rpcrdma_ia xprtrdma: Cull dprintk() call sites ...
2019-01-02Merge tag 'nfsd-4.21' of git://linux-nfs.org/~bfields/linuxLinus Torvalds
Pull nfsd updates from Bruce Fields: "Thanks to Vasily Averin for fixing a use-after-free in the containerized NFSv4.2 client, and cleaning up some convoluted backchannel server code in the process. Otherwise, miscellaneous smaller bugfixes and cleanup" * tag 'nfsd-4.21' of git://linux-nfs.org/~bfields/linux: (25 commits) nfs: fixed broken compilation in nfs_callback_up_net() nfs: minor typo in nfs4_callback_up_net() sunrpc: fix debug message in svc_create_xprt() sunrpc: make visible processing error in bc_svc_process() sunrpc: remove unused xpo_prep_reply_hdr callback sunrpc: remove svc_rdma_bc_class sunrpc: remove svc_tcp_bc_class sunrpc: remove unused bc_up operation from rpc_xprt_ops sunrpc: replace svc_serv->sv_bc_xprt by boolean flag sunrpc: use-after-free in svc_process_common() sunrpc: use SVC_NET() in svcauth_gss_* functions nfsd: drop useless LIST_HEAD lockd: Show pid of lockd for remote locks NFSD remove OP_CACHEME from 4.2 op_flags nfsd: Return EPERM, not EACCES, in some SETATTR cases sunrpc: fix cache_head leak due to queued request nfsd: clean up indentation, increase indentation in switch statement svcrdma: Optimize the logic that selects the R_key to invalidate nfsd: fix a warning in __cld_pipe_upcall() nfsd4: fix crash on writing v4_end_grace before nfsd startup ...
2019-01-02SUNRPC: Fix some kernel doc complaintsChuck Lever
Clean up some warnings observed when building with "make W=1". Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2018-12-27sunrpc: remove unused bc_up operation from rpc_xprt_opsVasily Averin
Signed-off-by: Vasily Averin <vvs@virtuozzo.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2018-12-19SUNRPC: allow /proc entries without CONFIG_SUNRPC_DEBUGBen Dooks
If we want /proc/sys/sunrpc the current kernel also drags in other debug features which we don't really want. Instead, we should always show the following entries: /proc/sys/sunrpc/udp_slot_table_entries /proc/sys/sunrpc/tcp_slot_table_entries /proc/sys/sunrpc/tcp_max_slot_table_entries /proc/sys/sunrpc/min_resvport /proc/sys/sunrpc/max_resvport /proc/sys/sunrpc/tcp_fin_timeout Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk> Signed-off-by: Thomas Preston <thomas.preston@codethink.co.uk> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2018-12-18SUNRPC: Fix a race with XPRT_CONNECTINGTrond Myklebust
Ensure that we clear XPRT_CONNECTING before releasing the XPRT_LOCK so that we don't have races between the (asynchronous) socket setup code and tasks in xprt_connect(). Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Tested-by: Chuck Lever <chuck.lever@oracle.com>
2018-12-18SUNRPC: Fix disconnection racesTrond Myklebust
When the socket is closed, we need to call xprt_disconnect_done() in order to clean up the XPRT_WRITE_SPACE flag, and wake up the sleeping tasks. However, we also want to ensure that we don't wake them up before the socket is closed, since that would cause thundering herd issues with everyone piling up to retransmit before the TCP shutdown dance has completed. Only the task that holds XPRT_LOCKED needs to wake up early in order to allow the close to complete. Reported-by: Dave Wysochanski <dwysocha@redhat.com> Reported-by: Scott Mayhew <smayhew@redhat.com> Cc: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Tested-by: Chuck Lever <chuck.lever@oracle.com>
2018-12-05SUNRPC: Don't force a redundant disconnection in xs_read_stream()Trond Myklebust
If the connection is broken, then xs_tcp_state_change() will take care of scheduling the socket close as soon as appropriate. xs_read_stream() just needs to report the error. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2018-12-05SUNRPC: Fix up socket pollingTrond Myklebust
Ensure that we do not exit the socket read callback without clearing XPRT_SOCK_DATA_READY. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2018-12-05SUNRPC: Use the discard iterator rather than MSG_TRUNCTrond Myklebust
When discarding message data from the stream, we're better off using the discard iterator, since that will work with non-TCP streams. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2018-12-05SUNRPC: Treat EFAULT as a truncated message in xs_read_stream_request()Trond Myklebust
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2018-12-05SUNRPC: Fix up handling of the XDRBUF_SPARSE_PAGES flagTrond Myklebust
If the allocator fails before it has reached the target number of pages, then we need to recheck that we're not seeking past the page buffer. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2018-12-05SUNRPC: Fix RPC receive hangsTrond Myklebust
The RPC code is occasionally hanging when the receive code fails to empty the socket buffer due to a partial read of the data. When we convert that to an EAGAIN, it appears we occasionally leave data in the socket. The fix is to just keep reading until the socket returns EAGAIN/EWOULDBLOCK. Reported-by: Catalin Marinas <catalin.marinas@arm.com> Reported-by: Cristian Marussi <cristian.marussi@arm.com> Reported-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Tested-by: Catalin Marinas <catalin.marinas@arm.com> Tested-by: Cristian Marussi <cristian.marussi@arm.com>
2018-11-01missing bits of "iov_iter: Separate type from direction and use accessor ↵Al Viro
functions" sunrpc patches from nfs tree conflict with calling conventions change done in iov_iter work. Trivial fixup... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2018-10-18Merge tag 'nfs-rdma-for-4.20-1' of ↵Trond Myklebust
git://git.linux-nfs.org/projects/anna/linux-nfs NFS RDMA client updates for Linux 4.20 Stable bugfixes: - Reset credit grant properly after a disconnect Other bugfixes and cleanups: - xprt_release_rqst_cong is called outside of transport_lock - Create more MRs at a time and toss out old ones during recovery - Various improvements to the RDMA connection and disconnection code: - Improve naming of trace events, functions, and variables - Add documenting comments - Fix metrics and stats reporting - Fix a tracepoint sparse warning Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2018-10-18sunrpc: safely reallow resvport min/max inversionJ. Bruce Fields
Commits ffb6ca33b04b and e08ea3a96fc7 prevent setting xprt_min_resvport greater than xprt_max_resvport, but may also break simple code that sets one parameter then the other, if the new range does not overlap the old. Also it looks racy to me, unless there's some serialization I'm not seeing. Granted it would probably require malicious privileged processes (unless there's a chance these might eventually be settable in unprivileged containers), but still it seems better not to let userspace panic the kernel. Simpler seems to be to allow setting the parameters to whatever you want but interpret xprt_min_resvport > xprt_max_resvport as the empty range. Fixes: ffb6ca33b04b "sunrpc: Prevent resvport min/max inversion..." Fixes: e08ea3a96fc7 "sunrpc: Prevent rexvport min/max inversion..." Signed-off-by: J. Bruce Fields <bfields@redhat.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2018-10-02sunrpc: Report connect_time in secondsChuck Lever
The way connection-oriented transports report connect_time is wrong: it's supposed to be in seconds, not in jiffies. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2018-10-02sunrpc: Fix connect metricsChuck Lever
For TCP, the logic in xprt_connect_status is currently never invoked to record a successful connection. Commit 2a4919919a97 ("SUNRPC: Return EAGAIN instead of ENOTCONN when waking up xprt->pending") changed the way TCP xprt's are awoken after a connect succeeds. Instead, change connection-oriented transports to bump connect_count and compute connect_time the moment that XPRT_CONNECTED is set. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2018-09-30SUNRPC: Clean up xs_udp_data_receive()Trond Myklebust
Simplify the retry logic. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2018-09-30SUNRPC: Allow AF_LOCAL sockets to use the generic stream receiveTrond Myklebust
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2018-09-30SUNRPC: Clean up - rename xs_tcp_data_receive() to xs_stream_data_receive()Trond Myklebust
In preparation for sharing with AF_LOCAL. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2018-09-30SUNRPC: Simplify TCP receive code by switching to using iteratorsTrond Myklebust
Most of this code should also be reusable with other socket types. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2018-09-30SUNRPC: Cleanup: remove the unused 'task' argument from the request_send()Trond Myklebust
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2018-09-30SUNRPC: Clean up transport write space handlingTrond Myklebust
Treat socket write space handling in the same way we now treat transport congestion: by denying the XPRT_LOCK until the transport signals that it has free buffer space. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2018-09-30SUNRPC: Turn off throttling of RPC slots for TCP socketsTrond Myklebust
The theory was that we would need to grab the socket lock anyway, so we might as well use it to gate the allocation of RPC slots for a TCP socket. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2018-09-30SUNRPC: Support for congestion control when queuing is enabledTrond Myklebust
Both RDMA and UDP transports require the request to get a "congestion control" credit before they can be transmitted. Right now, this is done when the request locks the socket. We'd like it to happen when a request attempts to be transmitted for the first time. In order to support retransmission of requests that already hold such credits, we also want to ensure that they get queued first, so that we don't deadlock with requests that have yet to obtain a credit. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2018-09-30SUNRPC: Treat the task and request as separate in the xprt_ops->send_request()Trond Myklebust
When we shift to using the transmit queue, then the task that holds the write lock will not necessarily be the same as the one being transmitted. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2018-09-30SUNRPC: Rename xprt->recv_lock to xprt->queue_lockTrond Myklebust
We will use the same lock to protect both the transmit and receive queues. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2018-09-30SUNRPC: Simplify dealing with aborted partially transmitted messagesTrond Myklebust
If the previous message was only partially transmitted, we need to close the socket in order to avoid corruption of the message stream. To do so, we currently hijack the unlocking of the socket in order to schedule the close. Now that we track the message offset in the socket state, we can move that kind of checking out of the socket lock code, which is needed to allow messages to remain queued after dropping the socket lock. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2018-09-30SUNRPC: Add socket transmit queue offset trackingTrond Myklebust
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2018-09-30SUNRPC: Move reset of TCP state variables into the reconnect codeTrond Myklebust
Rather than resetting state variables in socket state_change() callback, do it in the sunrpc TCP connect function itself. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2018-09-30SUNRPC: Rename TCP receive-specific state variablesTrond Myklebust
Since we will want to introduce similar TCP state variables for the transmission of requests, let's rename the existing ones to label that they are for the receive side. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2018-07-31sunrpc: whitespace fixesStephen Hemminger
Remove trailing whitespace and blank line at EOF Signed-off-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2018-05-07SUNRPC: Add a ->free_slot transport calloutChuck Lever
Refactor: xprtrdma needs to have better control over when RPCs are awoken from the backlog queue, so replace xprt_free_slot with a transport op callout. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2018-04-12Merge tag 'nfs-for-4.17-1' of git://git.linux-nfs.org/projects/anna/linux-nfsLinus Torvalds
Pull NFS client updates from Anna Schumaker: "Stable bugfixes: - xprtrdma: Fix corner cases when handling device removal # v4.12+ - xprtrdma: Fix latency regression on NUMA NFS/RDMA clients # v4.15+ Features: - New sunrpc tracepoint for RPC pings - Finer grained NFSv4 attribute checking - Don't unnecessarily return NFS v4 delegations Other bugfixes and cleanups: - Several other small NFSoRDMA cleanups - Improvements to the sunrpc RTT measurements - A few sunrpc tracepoint cleanups - Various fixes for NFS v4 lock notifications - Various sunrpc and NFS v4 XDR encoding cleanups - Switch to the ida_simple API - Fix NFSv4.1 exclusive create - Forget acl cache after setattr operation - Don't advance the nfs_entry readdir cookie if xdr decoding fails" * tag 'nfs-for-4.17-1' of git://git.linux-nfs.org/projects/anna/linux-nfs: (47 commits) NFS: advance nfs_entry cookie only after decoding completes successfully NFSv3/acl: forget acl cache after setattr NFSv4.1: Fix exclusive create NFSv4: Declare the size up to date after it was set. nfs: Use ida_simple API NFSv4: Fix the nfs_inode_set_delegation() arguments NFSv4: Clean up CB_GETATTR encoding NFSv4: Don't ask for attributes when ACCESS is protected by a delegation NFSv4: Add a helper to encode/decode struct timespec NFSv4: Clean up encode_attrs NFSv4; Clean up XDR encoding of type bitmap4 NFSv4: Allow GFP_NOIO sleeps in decode_attr_owner/decode_attr_group SUNRPC: Add a helper for encoding opaque data inline SUNRPC: Add helpers for decoding opaque and string types NFSv4: Ignore change attribute invalidations if we hold a delegation NFS: More fine grained attribute tracking NFS: Don't force unnecessary cache invalidation in nfs_update_inode() NFS: Don't redirty the attribute cache in nfs_wcc_update_inode() NFS: Don't force a revalidation of all attributes if change is missing NFS: Convert NFS_INO_INVALID flags to unsigned long ...
2018-04-10SUNRPC: Make RTT measurement more precise (Send)Chuck Lever
Some RPC transports have more overhead in their send_request callouts than others. For example, for RPC-over-RDMA: - Marshaling an RPC often has to DMA map the RPC arguments - Registration methods perform memory registration as part of marshaling To capture just server and network latencies more precisely: when sending a Call, capture the rq_xtime timestamp _after_ the transport header has been marshaled. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2018-04-10SUNRPC: Move xprt_update_rtt callsiteChuck Lever
Since commit 33849792cbcd ("xprtrdma: Detect unreachable NFS/RDMA servers more reliably"), the xprtrdma transport now has a ->timer callout. But xprtrdma does not need to compute RTT data, only UDP needs that. Move the xprt_update_rtt call into the UDP transport implementation. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2018-02-12net: make getname() functions return length rather than use int* parameterDenys Vlasenko
Changes since v1: Added changes in these files: drivers/infiniband/hw/usnic/usnic_transport.c drivers/staging/lustre/lnet/lnet/lib-socket.c drivers/target/iscsi/iscsi_target_login.c drivers/vhost/net.c fs/dlm/lowcomms.c fs/ocfs2/cluster/tcp.c security/tomoyo/network.c Before: All these functions either return a negative error indicator, or store length of sockaddr into "int *socklen" parameter and return zero on success. "int *socklen" parameter is awkward. For example, if caller does not care, it still needs to provide on-stack storage for the value it does not need. None of the many FOO_getname() functions of various protocols ever used old value of *socklen. They always just overwrite it. This change drops this parameter, and makes all these functions, on success, return length of sockaddr. It's always >= 0 and can be differentiated from an error. Tests in callers are changed from "if (err)" to "if (err < 0)", where needed. rpc_sockname() lost "int buflen" parameter, since its only use was to be passed to kernel_getsockname() as &buflen and subsequently not used in any way. Userspace API is not changed. text data bss dec hex filename 30108430 2633624 873672 33615726 200ef6e vmlinux.before.o 30108109 2633612 873672 33615393 200ee21 vmlinux.o Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com> CC: David S. Miller <davem@davemloft.net> CC: linux-kernel@vger.kernel.org CC: netdev@vger.kernel.org CC: linux-bluetooth@vger.kernel.org CC: linux-decnet-user@lists.sourceforge.net CC: linux-wireless@vger.kernel.org CC: linux-rdma@vger.kernel.org CC: linux-sctp@vger.kernel.org CC: linux-nfs@vger.kernel.org CC: linux-x25@vger.kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>
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