License cleanup: add SPDX GPL-2.0 license identifier to files with no license
Many source files in the tree are missing licensing information, which
makes it harder for compliance tools to determine the correct license.
By default all files without license information are under the default
license of the kernel, which is GPL version 2.
Update the files which contain no license information with the 'GPL-2.0'
SPDX license identifier. The SPDX identifier is a legally binding
shorthand, which can be used instead of the full boiler plate text.
This patch is based on work done by Thomas Gleixner and Kate Stewart and
Philippe Ombredanne.
How this work was done:
Patches were generated and checked against linux-4.14-rc6 for a subset of
the use cases:
- file had no licensing information it it.
- file was a */uapi/* one with no licensing information in it,
- file was a */uapi/* one with existing licensing information,
Further patches will be generated in subsequent months to fix up cases
where non-standard license headers were used, and references to license
had to be inferred by heuristics based on keywords.
The analysis to determine which SPDX License Identifier to be applied to
a file was done in a spreadsheet of side by side results from of the
output of two independent scanners (ScanCode & Windriver) producing SPDX
tag:value files created by Philippe Ombredanne. Philippe prepared the
base worksheet, and did an initial spot review of a few 1000 files.
The 4.13 kernel was the starting point of the analysis with 60,537 files
assessed. Kate Stewart did a file by file comparison of the scanner
results in the spreadsheet to determine which SPDX license identifier(s)
to be applied to the file. She confirmed any determination that was not
immediately clear with lawyers working with the Linux Foundation.
Criteria used to select files for SPDX license identifier tagging was:
- Files considered eligible had to be source code files.
- Make and config files were included as candidates if they contained >5
lines of source
- File already had some variant of a license header in it (even if <5
lines).
All documentation files were explicitly excluded.
The following heuristics were used to determine which SPDX license
identifiers to apply.
- when both scanners couldn't find any license traces, file was
considered to have no license information in it, and the top level
COPYING file license applied.
For non */uapi/* files that summary was:
SPDX license identifier # files
---------------------------------------------------|-------
GPL-2.0 11139
and resulted in the first patch in this series.
If that file was a */uapi/* path one, it was "GPL-2.0 WITH
Linux-syscall-note" otherwise it was "GPL-2.0". Results of that was:
SPDX license identifier # files
---------------------------------------------------|-------
GPL-2.0 WITH Linux-syscall-note 930
and resulted in the second patch in this series.
- if a file had some form of licensing information in it, and was one
of the */uapi/* ones, it was denoted with the Linux-syscall-note if
any GPL family license was found in the file or had no licensing in
it (per prior point). Results summary:
SPDX license identifier # files
---------------------------------------------------|------
GPL-2.0 WITH Linux-syscall-note 270
GPL-2.0+ WITH Linux-syscall-note 169
((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21
((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17
LGPL-2.1+ WITH Linux-syscall-note 15
GPL-1.0+ WITH Linux-syscall-note 14
((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5
LGPL-2.0+ WITH Linux-syscall-note 4
LGPL-2.1 WITH Linux-syscall-note 3
((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3
((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1
and that resulted in the third patch in this series.
- when the two scanners agreed on the detected license(s), that became
the concluded license(s).
- when there was disagreement between the two scanners (one detected a
license but the other didn't, or they both detected different
licenses) a manual inspection of the file occurred.
- In most cases a manual inspection of the information in the file
resulted in a clear resolution of the license that should apply (and
which scanner probably needed to revisit its heuristics).
- When it was not immediately clear, the license identifier was
confirmed with lawyers working with the Linux Foundation.
- If there was any question as to the appropriate license identifier,
the file was flagged for further research and to be revisited later
in time.
In total, over 70 hours of logged manual review was done on the
spreadsheet to determine the SPDX license identifiers to apply to the
source files by Kate, Philippe, Thomas and, in some cases, confirmation
by lawyers working with the Linux Foundation.
Kate also obtained a third independent scan of the 4.13 code base from
FOSSology, and compared selected files where the other two scanners
disagreed against that SPDX file, to see if there was new insights. The
Windriver scanner is based on an older version of FOSSology in part, so
they are related.
Thomas did random spot checks in about 500 files from the spreadsheets
for the uapi headers and agreed with SPDX license identifier in the
files he inspected. For the non-uapi files Thomas did random spot checks
in about 15000 files.
In initial set of patches against 4.14-rc6, 3 files were found to have
copy/paste license identifier errors, and have been fixed to reflect the
correct identifier.
Additionally Philippe spent 10 hours this week doing a detailed manual
inspection and review of the 12,461 patched files from the initial patch
version early this week with:
- a full scancode scan run, collecting the matched texts, detected
license ids and scores
- reviewing anything where there was a license detected (about 500+
files) to ensure that the applied SPDX license was correct
- reviewing anything where there was no detection but the patch license
was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied
SPDX license was correct
This produced a worksheet with 20 files needing minor correction. This
worksheet was then exported into 3 different .csv files for the
different types of files to be modified.
These .csv files were then reviewed by Greg. Thomas wrote a script to
parse the csv files and add the proper SPDX tag to the file, in the
format that the file expected. This script was further refined by Greg
based on the output to detect more types of files automatically and to
distinguish between header and source .c files (which need different
comment types.) Finally Greg ran the script using the .csv files to
generate the patches.
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-11-01 14:07:57 +00:00
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/* SPDX-License-Identifier: GPL-2.0 */
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2005-04-16 22:20:36 +00:00
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/*
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* linux/include/linux/sunrpc/clnt.h
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*
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* Declarations for the high-level RPC client interface
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*
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* Copyright (C) 1995, 1996, Olaf Kirch <okir@monad.swb.de>
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*/
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#ifndef _LINUX_SUNRPC_CLNT_H
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#define _LINUX_SUNRPC_CLNT_H
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2011-10-17 23:08:10 +00:00
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#include <linux/types.h>
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2009-08-09 19:09:34 +00:00
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#include <linux/socket.h>
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#include <linux/in.h>
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#include <linux/in6.h>
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2021-07-26 12:01:27 +00:00
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#include <linux/refcount.h>
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2009-08-09 19:09:34 +00:00
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2005-04-16 22:20:36 +00:00
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#include <linux/sunrpc/msg_prot.h>
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#include <linux/sunrpc/sched.h>
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#include <linux/sunrpc/xprt.h>
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#include <linux/sunrpc/auth.h>
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#include <linux/sunrpc/stats.h>
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#include <linux/sunrpc/xdr.h>
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#include <linux/sunrpc/timer.h>
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2013-08-26 19:38:11 +00:00
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#include <linux/sunrpc/rpc_pipe_fs.h>
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2005-04-16 22:20:36 +00:00
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#include <asm/signal.h>
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2009-08-09 19:14:24 +00:00
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#include <linux/path.h>
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2009-08-14 16:57:54 +00:00
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#include <net/ipv6.h>
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2016-01-30 19:17:26 +00:00
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#include <linux/sunrpc/xprtmultipath.h>
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2005-04-16 22:20:36 +00:00
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struct rpc_inode;
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2021-06-08 19:59:12 +00:00
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struct rpc_sysfs_client;
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2005-04-16 22:20:36 +00:00
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/*
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* The high-level client handle
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*/
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struct rpc_clnt {
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2021-07-26 12:01:27 +00:00
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refcount_t cl_count; /* Number of references */
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2013-09-05 01:51:44 +00:00
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unsigned int cl_clid; /* client id */
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2007-06-14 20:40:14 +00:00
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struct list_head cl_clients; /* Global list of clients */
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struct list_head cl_tasks; /* List of tasks */
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2021-10-04 14:10:10 +00:00
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atomic_t cl_pid; /* task PID counter */
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2007-06-16 18:17:01 +00:00
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spinlock_t cl_lock; /* spinlock */
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2012-03-01 22:00:56 +00:00
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struct rpc_xprt __rcu * cl_xprt; /* transport */
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2017-05-12 13:36:49 +00:00
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const struct rpc_procinfo *cl_procinfo; /* procedure info */
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2006-08-23 00:06:15 +00:00
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u32 cl_prog, /* RPC program number */
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cl_vers, /* RPC version number */
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cl_maxproc; /* max procedure number */
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2005-04-16 22:20:36 +00:00
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struct rpc_auth * cl_auth; /* authenticator */
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2006-03-20 18:44:22 +00:00
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struct rpc_stat * cl_stats; /* per-program statistics */
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struct rpc_iostats * cl_metrics; /* per-client statistics */
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2005-04-16 22:20:36 +00:00
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unsigned int cl_softrtry : 1,/* soft timeouts */
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2019-04-07 17:58:58 +00:00
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cl_softerr : 1,/* Timeouts return errors */
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2007-02-06 23:26:11 +00:00
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cl_discrtry : 1,/* disconnect before retry */
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2013-09-24 16:00:27 +00:00
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cl_noretranstimeo: 1,/* No retransmit timeouts */
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2008-06-09 20:51:31 +00:00
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cl_autobind : 1,/* use getport() */
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cl_chatty : 1;/* be verbose */
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2005-04-16 22:20:36 +00:00
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struct rpc_rtt * cl_rtt; /* RTO estimator data */
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2007-12-20 21:03:55 +00:00
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const struct rpc_timeout *cl_timeout; /* Timeout strategy */
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2005-04-16 22:20:36 +00:00
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2015-06-03 20:14:25 +00:00
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atomic_t cl_swapper; /* swapfile count */
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2005-04-16 22:20:36 +00:00
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int cl_nodelen; /* nodename length */
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2015-01-30 23:12:28 +00:00
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char cl_nodename[UNX_MAXNODENAME+1];
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2013-08-26 19:38:11 +00:00
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struct rpc_pipe_dir_head cl_pipedir_objects;
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2005-04-16 22:20:36 +00:00
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struct rpc_clnt * cl_parent; /* Points to parent of clones */
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struct rpc_rtt cl_rtt_default;
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2007-12-20 21:03:55 +00:00
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struct rpc_timeout cl_timeout_default;
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2012-01-20 18:53:56 +00:00
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const struct rpc_program *cl_program;
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2018-12-03 00:30:30 +00:00
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const char * cl_principal; /* use for machine cred */
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2014-11-26 19:44:43 +00:00
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#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
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struct dentry *cl_debugfs; /* debugfs directory */
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#endif
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2021-06-08 19:59:12 +00:00
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struct rpc_sysfs_client *cl_sysfs; /* sysfs directory */
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2020-04-03 03:33:41 +00:00
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/* cl_work is only needed after cl_xpi is no longer used,
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* and that are of similar size
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*/
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union {
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struct rpc_xprt_iter cl_xpi;
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struct work_struct cl_work;
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};
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2019-04-24 21:46:42 +00:00
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const struct cred *cl_cred;
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2021-08-27 18:37:18 +00:00
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unsigned int cl_max_connect; /* max number of transports not to the same IP */
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2005-04-16 22:20:36 +00:00
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};
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/*
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* General RPC program info
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*/
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#define RPC_MAXVERSION 4
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struct rpc_program {
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2012-01-20 18:53:56 +00:00
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const char * name; /* protocol name */
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2005-04-16 22:20:36 +00:00
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u32 number; /* program number */
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unsigned int nrvers; /* number of versions */
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2012-01-20 18:53:56 +00:00
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const struct rpc_version ** version; /* version array */
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2005-04-16 22:20:36 +00:00
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struct rpc_stat * stats; /* statistics */
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2012-01-20 18:53:56 +00:00
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const char * pipe_dir_name; /* path to rpc_pipefs dir */
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2005-04-16 22:20:36 +00:00
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};
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struct rpc_version {
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u32 number; /* version number */
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unsigned int nrprocs; /* number of procs */
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2017-05-12 13:36:49 +00:00
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const struct rpc_procinfo *procs; /* procedure array */
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2017-05-08 21:27:10 +00:00
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unsigned int *counts; /* call counts */
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2005-04-16 22:20:36 +00:00
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};
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/*
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* Procedure information
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*/
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struct rpc_procinfo {
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u32 p_proc; /* RPC procedure number */
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2010-12-14 14:59:18 +00:00
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kxdreproc_t p_encode; /* XDR encode function */
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2010-12-14 14:59:29 +00:00
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kxdrdproc_t p_decode; /* XDR decode function */
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2007-03-29 20:47:53 +00:00
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unsigned int p_arglen; /* argument hdr length (u32) */
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unsigned int p_replen; /* reply hdr length (u32) */
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2005-04-16 22:20:36 +00:00
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unsigned int p_timer; /* Which RTT timer to use */
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2006-03-20 18:44:22 +00:00
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u32 p_statidx; /* Which procedure to account */
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2012-01-20 18:53:37 +00:00
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const char * p_name; /* name of procedure */
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2005-04-16 22:20:36 +00:00
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};
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2006-08-23 00:06:20 +00:00
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struct rpc_create_args {
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2010-09-29 12:04:45 +00:00
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struct net *net;
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2006-08-23 00:06:20 +00:00
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int protocol;
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struct sockaddr *address;
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size_t addrsize;
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2007-07-09 20:23:35 +00:00
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struct sockaddr *saddress;
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2007-12-20 21:03:55 +00:00
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const struct rpc_timeout *timeout;
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2012-01-20 18:53:37 +00:00
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const char *servername;
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2015-01-30 23:12:28 +00:00
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const char *nodename;
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2012-01-20 18:53:56 +00:00
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const struct rpc_program *program;
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2008-09-28 06:21:26 +00:00
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u32 prognumber; /* overrides program->number */
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2006-08-23 00:06:20 +00:00
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u32 version;
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rpc_authflavor_t authflavor;
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2017-04-27 12:50:51 +00:00
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u32 nconnect;
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2006-08-23 00:06:20 +00:00
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unsigned long flags;
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2008-12-23 21:17:40 +00:00
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char *client_name;
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2009-09-10 14:33:30 +00:00
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struct svc_xprt *bc_xprt; /* NFSv4.1 backchannel */
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2019-04-24 21:46:42 +00:00
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const struct cred *cred;
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2021-08-27 18:37:18 +00:00
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unsigned int max_connect;
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2006-08-23 00:06:20 +00:00
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};
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2016-09-09 13:22:26 +00:00
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struct rpc_add_xprt_test {
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2018-12-19 06:59:57 +00:00
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void (*add_xprt_test)(struct rpc_clnt *clnt,
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struct rpc_xprt *xprt,
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2016-09-09 13:22:26 +00:00
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void *calldata);
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void *data;
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};
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2006-08-23 00:06:20 +00:00
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/* Values for "flags" field */
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#define RPC_CLNT_CREATE_HARDRTRY (1UL << 0)
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#define RPC_CLNT_CREATE_AUTOBIND (1UL << 2)
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2007-06-09 23:49:36 +00:00
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#define RPC_CLNT_CREATE_NONPRIVPORT (1UL << 3)
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#define RPC_CLNT_CREATE_NOPING (1UL << 4)
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#define RPC_CLNT_CREATE_DISCRTRY (1UL << 5)
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2008-06-09 20:51:31 +00:00
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#define RPC_CLNT_CREATE_QUIET (1UL << 6)
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2013-04-14 15:42:00 +00:00
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#define RPC_CLNT_CREATE_INFINITE_SLOTS (1UL << 7)
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2013-04-11 19:06:36 +00:00
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#define RPC_CLNT_CREATE_NO_IDLE_TIMEOUT (1UL << 8)
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2013-09-24 16:00:27 +00:00
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#define RPC_CLNT_CREATE_NO_RETRANS_TIMEOUT (1UL << 9)
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2019-04-07 17:58:58 +00:00
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#define RPC_CLNT_CREATE_SOFTERR (1UL << 10)
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2019-10-17 15:13:54 +00:00
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#define RPC_CLNT_CREATE_REUSEPORT (1UL << 11)
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2022-05-07 17:53:59 +00:00
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#define RPC_CLNT_CREATE_CONNECTED (1UL << 12)
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2006-08-23 00:06:20 +00:00
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struct rpc_clnt *rpc_create(struct rpc_create_args *args);
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2005-06-22 17:16:23 +00:00
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struct rpc_clnt *rpc_bind_new_program(struct rpc_clnt *,
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2012-01-20 18:53:56 +00:00
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const struct rpc_program *, u32);
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2005-04-16 22:20:36 +00:00
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struct rpc_clnt *rpc_clone_client(struct rpc_clnt *);
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2012-09-14 21:24:02 +00:00
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struct rpc_clnt *rpc_clone_client_set_auth(struct rpc_clnt *,
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rpc_authflavor_t);
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2013-10-17 18:12:23 +00:00
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int rpc_switch_client_transport(struct rpc_clnt *,
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struct xprt_create *,
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const struct rpc_timeout *);
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2007-06-14 20:40:32 +00:00
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void rpc_shutdown_client(struct rpc_clnt *);
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2005-04-16 22:20:36 +00:00
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void rpc_release_client(struct rpc_clnt *);
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2018-06-19 21:24:58 +00:00
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void rpc_task_release_transport(struct rpc_task *);
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2010-07-31 18:29:08 +00:00
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void rpc_task_release_client(struct rpc_task *);
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2019-07-11 20:33:12 +00:00
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struct rpc_xprt *rpc_task_get_xprt(struct rpc_clnt *clnt,
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struct rpc_xprt *xprt);
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2007-07-01 16:13:12 +00:00
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2012-01-13 08:52:51 +00:00
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int rpcb_create_local(struct net *);
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void rpcb_put_local(struct net *);
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2012-01-13 08:52:43 +00:00
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int rpcb_register(struct net *, u32, u32, int, unsigned short);
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int rpcb_v4_register(struct net *net, const u32 program,
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const u32 version,
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2008-07-14 20:03:30 +00:00
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const struct sockaddr *address,
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2008-08-18 23:34:00 +00:00
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const char *netid);
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2007-07-01 16:13:17 +00:00
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void rpcb_getport_async(struct rpc_task *);
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2005-04-16 22:20:36 +00:00
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2019-02-11 16:25:20 +00:00
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void rpc_prepare_reply_pages(struct rpc_rqst *req, struct page **pages,
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unsigned int base, unsigned int len,
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unsigned int hdrsize);
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2007-10-25 22:40:21 +00:00
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void rpc_call_start(struct rpc_task *);
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2008-02-14 16:11:30 +00:00
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int rpc_call_async(struct rpc_clnt *clnt,
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const struct rpc_message *msg, int flags,
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const struct rpc_call_ops *tk_ops,
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2006-01-03 08:55:04 +00:00
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void *calldata);
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2008-02-14 16:11:30 +00:00
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int rpc_call_sync(struct rpc_clnt *clnt,
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const struct rpc_message *msg, int flags);
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2007-06-23 14:17:16 +00:00
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struct rpc_task *rpc_call_null(struct rpc_clnt *clnt, struct rpc_cred *cred,
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int flags);
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2010-07-31 18:29:07 +00:00
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int rpc_restart_call_prepare(struct rpc_task *);
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int rpc_restart_call(struct rpc_task *);
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2005-04-16 22:20:36 +00:00
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void rpc_setbufsize(struct rpc_clnt *, unsigned int, unsigned int);
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2012-03-01 22:00:56 +00:00
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struct net * rpc_net_ns(struct rpc_clnt *);
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2005-04-16 22:20:36 +00:00
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size_t rpc_max_payload(struct rpc_clnt *);
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2016-05-02 18:40:40 +00:00
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size_t rpc_max_bc_payload(struct rpc_clnt *);
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2019-07-16 17:51:29 +00:00
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unsigned int rpc_num_bc_slots(struct rpc_clnt *);
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2006-01-03 08:55:50 +00:00
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void rpc_force_rebind(struct rpc_clnt *);
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2006-08-23 00:06:17 +00:00
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size_t rpc_peeraddr(struct rpc_clnt *, struct sockaddr *, size_t);
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2008-01-07 23:34:48 +00:00
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const char *rpc_peeraddr2str(struct rpc_clnt *, enum rpc_display_format_t);
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2012-03-01 22:01:14 +00:00
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int rpc_localaddr(struct rpc_clnt *, struct sockaddr *, size_t);
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2005-04-16 22:20:36 +00:00
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2016-01-31 01:39:19 +00:00
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int rpc_clnt_iterate_for_each_xprt(struct rpc_clnt *clnt,
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int (*fn)(struct rpc_clnt *, struct rpc_xprt *, void *),
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void *data);
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2016-01-31 04:43:35 +00:00
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int rpc_clnt_test_and_add_xprt(struct rpc_clnt *clnt,
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struct rpc_xprt_switch *xps,
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struct rpc_xprt *xprt,
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void *dummy);
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int rpc_clnt_add_xprt(struct rpc_clnt *, struct xprt_create *,
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int (*setup)(struct rpc_clnt *,
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struct rpc_xprt_switch *,
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struct rpc_xprt *,
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void *),
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void *data);
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2017-02-08 16:17:55 +00:00
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void rpc_set_connect_timeout(struct rpc_clnt *clnt,
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unsigned long connect_timeout,
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unsigned long reconnect_timeout);
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2016-01-31 04:43:35 +00:00
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2016-09-09 13:22:26 +00:00
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int rpc_clnt_setup_test_and_add_xprt(struct rpc_clnt *,
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struct rpc_xprt_switch *,
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struct rpc_xprt *,
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void *);
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2022-07-25 13:32:22 +00:00
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void rpc_clnt_manage_trunked_xprts(struct rpc_clnt *);
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2022-07-25 13:32:30 +00:00
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void rpc_clnt_probe_trunked_xprts(struct rpc_clnt *,
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struct rpc_add_xprt_test *);
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2016-09-09 13:22:26 +00:00
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2014-11-26 19:44:43 +00:00
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const char *rpc_proc_name(const struct rpc_task *task);
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2016-09-09 13:22:23 +00:00
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void rpc_clnt_xprt_switch_put(struct rpc_clnt *);
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2016-09-09 13:22:24 +00:00
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void rpc_clnt_xprt_switch_add_xprt(struct rpc_clnt *, struct rpc_xprt *);
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2022-07-25 13:32:26 +00:00
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void rpc_clnt_xprt_switch_remove_xprt(struct rpc_clnt *, struct rpc_xprt *);
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2016-09-09 13:22:25 +00:00
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bool rpc_clnt_xprt_switch_has_addr(struct rpc_clnt *clnt,
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const struct sockaddr *sap);
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2022-07-25 13:32:25 +00:00
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void rpc_clnt_xprt_set_online(struct rpc_clnt *clnt, struct rpc_xprt *xprt);
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2017-01-20 08:48:39 +00:00
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void rpc_cleanup_clids(void);
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2018-02-28 20:30:54 +00:00
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static inline int rpc_reply_expected(struct rpc_task *task)
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|
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{
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return (task->tk_msg.rpc_proc != NULL) &&
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|
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(task->tk_msg.rpc_proc->p_decode != NULL);
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}
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2020-04-24 21:45:50 +00:00
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static inline void rpc_task_close_connection(struct rpc_task *task)
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{
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|
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if (task->tk_xprt)
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xprt_force_disconnect(task->tk_xprt);
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}
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2005-04-16 22:20:36 +00:00
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#endif /* _LINUX_SUNRPC_CLNT_H */
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