mirror of https://github.com/schoebel/mars
130 lines
3.0 KiB
C
130 lines
3.0 KiB
C
/*
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* MARS Long Distance Replication Software
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*
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* This file is part of MARS project: http://schoebel.github.io/mars/
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*
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* Copyright (C) 2010-2014 Thomas Schoebel-Theuer
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* Copyright (C) 2011-2014 1&1 Internet AG
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef _MARS_COMPAT
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#define _MARS_COMPAT
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#include <linux/major.h>
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/* TRANSITIONAL compatibility to BOTH the old prepatch
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* and the new wrappers around vfs_*().
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*/
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#ifdef MARS_MAJOR
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#define MARS_HAS_PREPATCH
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#else
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#define MARS_MAJOR (DRBD_MAJOR + 1)
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#endif
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#ifdef MARS_HAS_PREPATCH
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#include <linux/syscalls.h>
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#else /* MARS_HAS_PREPATCH */
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#include <linux/compiler.h>
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#include <linux/time.h>
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#include "lamport.h"
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extern int _compat_symlink(
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const char __user *oldname,
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const char __user *newname,
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struct lamport_time *mtime);
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extern int _compat_mkdir(
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const char __user *pathname,
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int mode);
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extern int _compat_rename(
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const char __user *oldname,
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const char __user *newname);
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extern int _compat_unlink(
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const char __user *pathname);
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#endif /* MARS_HAS_PREPATCH */
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/* Various compatibility checks for upstream kernels.
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* This is a hell.
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*/
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#ifdef __bvec_iter_bvec
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#define MARS_HAS_BVEC_ITER
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#endif
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/* adaptation to 4246a0b63bd8f56a1469b12eafeb875b1041a451 and 8ae126660fddbeebb9251a174e6fa45b6ad8f932 */
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#ifndef bio_io_error
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#define MARS_HAS_BI_ERROR
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#else
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#define MARS_HAS_MERGE_BVEC
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#endif
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/* adapt to 4e1b2d52a80d79296a5d899d73249748dea71a53 and many others */
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#ifdef bio_op
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#define MARS_HAS_NEW_BIO_OP
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#endif
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#ifdef bio_end_sector
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#define MARS_HAS_VOID_RELEASE
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#endif
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#ifdef __bvec_iter_bvec
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#define MARS_HAS_BVEC_ITER
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#endif
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/* 54efd50bfd873e2dbf784e0b21a8027ba4299a3e and 8ae126660fddbeebb9251a174e6fa45b6ad8f932,
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* detected via 4246a0b63bd8f56a1469b12eafeb875b1041a451
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*/
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#ifndef BIO_UPTODATE
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#define NEED_BIO_SPLIT
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#endif
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/* adapt to 4e1b2d52a80d79296a5d899d73249748dea71a53 and many others */
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#ifdef bio_op
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#define MARS_HAS_NEW_BIO_OP
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#endif
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/* for networking */
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#include <net/sock.h>
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#ifndef TCP_MAX_REORDERING
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#define __HAS_IOV_ITER
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#endif
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/* see eeb1bd5c40edb0e2fd925c8535e2fdebdbc5cef2 */
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#ifdef sk_net_refcnt
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#define __HAS_STRUCT_NET
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#endif
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/* for crypto stuff */
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#include <linux/crypto.h>
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/*
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* Forced by 896545098777564212b9e91af4c973f094649aa7
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* Detected by 7b5a080b3c46f0cac71c0d0262634c6517d4ee4f
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*/
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#ifdef CRYPTO_ALG_TYPE_SHASH
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#define MARS_HAS_NEW_CRYPTO
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#endif
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#endif /* _MARS_COMPAT */
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