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Message-Id: <20180503192430.7582-3-ross.zwisler@linux.intel.com>
Date: Thu, 3 May 2018 13:24:27 -0600
From: Ross Zwisler <ross.zwisler@...ux.intel.com>
To: Andrew Morton <akpm@...ux-foundation.org>,
linux-kernel@...r.kernel.org, Matthew Wilcox <willy@...radead.org>
Cc: Ross Zwisler <ross.zwisler@...ux.intel.com>,
Christoph Hellwig <hch@....de>,
Dan Williams <dan.j.williams@...el.com>,
Dave Chinner <david@...morbit.com>, Jan Kara <jack@...e.cz>,
linux-nvdimm@...ts.01.org
Subject: [PATCH 2/5] radix tree test suite: fix compilation issue
Pulled from a patch from Matthew Wilcox entitled
"xarray: Add definition of struct xarray":
> From: Matthew Wilcox <mawilcox@...rosoft.com>
> Signed-off-by: Matthew Wilcox <mawilcox@...rosoft.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.
Signed-off-by: Ross Zwisler <ross.zwisler@...ux.intel.com>
---
tools/include/linux/spinlock.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/tools/include/linux/spinlock.h b/tools/include/linux/spinlock.h
index b21b586b9854..1738c0391da4 100644
--- a/tools/include/linux/spinlock.h
+++ b/tools/include/linux/spinlock.h
@@ -6,8 +6,9 @@
#include <stdbool.h>
#define spinlock_t pthread_mutex_t
-#define DEFINE_SPINLOCK(x) pthread_mutex_t x = PTHREAD_MUTEX_INITIALIZER;
+#define DEFINE_SPINLOCK(x) pthread_mutex_t x = PTHREAD_MUTEX_INITIALIZER
#define __SPIN_LOCK_UNLOCKED(x) (pthread_mutex_t)PTHREAD_MUTEX_INITIALIZER
+#define spin_lock_init(x) pthread_mutex_init(x, NULL)
#define spin_lock_irqsave(x, f) (void)f, pthread_mutex_lock(x)
#define spin_unlock_irqrestore(x, f) (void)f, pthread_mutex_unlock(x)
--
2.14.3
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