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dcbbf25adb
Pulled from a patch from Matthew Wilcox entitled "xarray: Add definition of struct xarray": > From: Matthew Wilcox <mawilcox@microsoft.com> > Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com> https://patchwork.kernel.org/patch/10341249/ These defines fix this compilation error: In file included from ./linux/radix-tree.h:6:0, from ./linux/../../../../include/linux/idr.h:15, from ./linux/idr.h:1, from idr.c:4: ./linux/../../../../include/linux/idr.h: In function `idr_init_base': ./linux/../../../../include/linux/radix-tree.h:129:2: warning: implicit declaration of function `spin_lock_init'; did you mean `spinlock_t'? [-Wimplicit-function-declaration] spin_lock_init(&(root)->xa_lock); \ ^ ./linux/../../../../include/linux/idr.h:126:2: note: in expansion of macro `INIT_RADIX_TREE' INIT_RADIX_TREE(&idr->idr_rt, IDR_RT_MARKER); ^~~~~~~~~~~~~~~ by providing a spin_lock_init() wrapper for the v4.17-rc* version of the radix tree test suite. Link: http://lkml.kernel.org/r/20180503192430.7582-3-ross.zwisler@linux.intel.com Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com> Cc: Christoph Hellwig <hch@lst.de> Cc: CR, Sapthagirish <sapthagirish.cr@intel.com> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Dave Chinner <david@fromorbit.com> Cc: Jan Kara <jack@suse.cz> Cc: Matthew Wilcox <willy@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
35 lines
894 B
C
35 lines
894 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __LINUX_SPINLOCK_H_
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#define __LINUX_SPINLOCK_H_
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#include <pthread.h>
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#include <stdbool.h>
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#define spinlock_t pthread_mutex_t
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#define DEFINE_SPINLOCK(x) pthread_mutex_t x = PTHREAD_MUTEX_INITIALIZER
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#define __SPIN_LOCK_UNLOCKED(x) (pthread_mutex_t)PTHREAD_MUTEX_INITIALIZER
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#define spin_lock_init(x) pthread_mutex_init(x, NULL)
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#define spin_lock_irqsave(x, f) (void)f, pthread_mutex_lock(x)
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#define spin_unlock_irqrestore(x, f) (void)f, pthread_mutex_unlock(x)
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#define arch_spinlock_t pthread_mutex_t
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#define __ARCH_SPIN_LOCK_UNLOCKED PTHREAD_MUTEX_INITIALIZER
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static inline void arch_spin_lock(arch_spinlock_t *mutex)
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{
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pthread_mutex_lock(mutex);
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}
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static inline void arch_spin_unlock(arch_spinlock_t *mutex)
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{
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pthread_mutex_unlock(mutex);
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}
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static inline bool arch_spin_is_locked(arch_spinlock_t *mutex)
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{
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return true;
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}
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#endif
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