Prepare SPL repo to merge with ZFS repo

This commit removes everything from the repository except the core
SPL implementation for Linux.  Those files which remain have been
moved to non-conflicting locations to facilitate the merge.
The README.md and associated files have been updated accordingly.

Signed-off-by: Brian Behlendorf <[email protected]>

1 files changed, 0 insertions, 68 deletions

diff --git a/include/linux/rwsem_compat.h b/include/linux/rwsem_compat.h
deleted file mode 100644
index 7a0dcf8dc..000000000
--- a/include/linux/rwsem_compat.h
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
- *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
- *  Copyright (C) 2007 The Regents of the University of California.
- *  Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
- *  Written by Brian Behlendorf <[email protected]>.
- *  UCRL-CODE-235197
- *
- *  This file is part of the SPL, Solaris Porting Layer.
- *  For details, see <http://zfsonlinux.org/>.
- *
- *  The SPL is free software; you can redistribute it and/or modify it
- *  under the terms of the GNU General Public License as published by the
- *  Free Software Foundation; either version 2 of the License, or (at your
- *  option) any later version.
- *
- *  The SPL is distributed in the hope that it will be useful, but WITHOUT
- *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- *  for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with the SPL.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef _SPL_RWSEM_COMPAT_H
-#define	_SPL_RWSEM_COMPAT_H
-
-#include <linux/rwsem.h>
-
-#if defined(CONFIG_PREEMPT_RT_FULL)
-#define	SPL_RWSEM_SINGLE_READER_VALUE	(1)
-#define	SPL_RWSEM_SINGLE_WRITER_VALUE	(0)
-#elif defined(CONFIG_RWSEM_GENERIC_SPINLOCK)
-#define	SPL_RWSEM_SINGLE_READER_VALUE	(1)
-#define	SPL_RWSEM_SINGLE_WRITER_VALUE	(-1)
-#else
-#define	SPL_RWSEM_SINGLE_READER_VALUE	(RWSEM_ACTIVE_READ_BIAS)
-#define	SPL_RWSEM_SINGLE_WRITER_VALUE	(RWSEM_ACTIVE_WRITE_BIAS)
-#endif
-
-/* Linux 3.16 changed activity to count for rwsem-spinlock */
-#if defined(CONFIG_PREEMPT_RT_FULL)
-#define	RWSEM_COUNT(sem)	sem->read_depth
-#elif defined(HAVE_RWSEM_ACTIVITY)
-#define	RWSEM_COUNT(sem)	sem->activity
-/* Linux 4.8 changed count to an atomic_long_t for !rwsem-spinlock */
-#elif defined(HAVE_RWSEM_ATOMIC_LONG_COUNT)
-#define	RWSEM_COUNT(sem)	atomic_long_read(&(sem)->count)
-#else
-#define	RWSEM_COUNT(sem)	sem->count
-#endif
-
-int rwsem_tryupgrade(struct rw_semaphore *rwsem);
-
-#if defined(RWSEM_SPINLOCK_IS_RAW)
-#define	spl_rwsem_lock_irqsave(lk, fl)		raw_spin_lock_irqsave(lk, fl)
-#define	spl_rwsem_unlock_irqrestore(lk, fl)	\
-    raw_spin_unlock_irqrestore(lk, fl)
-#define	spl_rwsem_trylock_irqsave(lk, fl)	raw_spin_trylock_irqsave(lk, fl)
-#else
-#define	spl_rwsem_lock_irqsave(lk, fl)		spin_lock_irqsave(lk, fl)
-#define	spl_rwsem_unlock_irqrestore(lk, fl)	spin_unlock_irqrestore(lk, fl)
-#define	spl_rwsem_trylock_irqsave(lk, fl)	spin_trylock_irqsave(lk, fl)
-#endif /* RWSEM_SPINLOCK_IS_RAW */
-
-#define	spl_rwsem_is_locked(rwsem)		rwsem_is_locked(rwsem)
-
-#endif /* _SPL_RWSEM_COMPAT_H */