From: yegorslists@googlemail.com
To: barebox@lists.infradead.org
Subject: [PATCH 5/5] Introduce include/linux/rwsem.h
Date: Wed, 27 Jan 2016 16:22:58 +0100 [thread overview]
Message-ID: <1453908178-7106-5-git-send-email-yegorslists@googlemail.com> (raw)
In-Reply-To: <1453908178-7106-1-git-send-email-yegorslists@googlemail.com>
From: Yegor Yefremov <yegorslists@googlemail.com>
Move semaphore related definitions to its original place.
Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
---
include/linux/barebox-wrapper.h | 8 --------
include/linux/fs.h | 2 +-
include/linux/rwsem.h | 19 +++++++++++++++++++
3 files changed, 20 insertions(+), 9 deletions(-)
create mode 100644 include/linux/rwsem.h
diff --git a/include/linux/barebox-wrapper.h b/include/linux/barebox-wrapper.h
index b52f2f4..15fd726 100644
--- a/include/linux/barebox-wrapper.h
+++ b/include/linux/barebox-wrapper.h
@@ -35,18 +35,10 @@ typedef int gfp_t;
#define MODULE_LICENSE(x)
#define MODULE_ALIAS(x)
-struct rw_semaphore { int i; };
-
#define __user
#define __init
#define __exit
-#define init_rwsem(...) do { } while (0)
-#define down_read(...) do { } while (0)
-#define down_write(...) do { } while (0)
-#define down_write_trylock(...) 1
-#define up_read(...) do { } while (0)
-#define up_write(...) do { } while (0)
#define kthread_create(...) __builtin_return_address(0)
#define kthread_stop(...) do { } while (0)
#define wake_up_process(...) do { } while (0)
diff --git a/include/linux/fs.h b/include/linux/fs.h
index bf0f67b..7e9886a 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1,7 +1,6 @@
#ifndef _LINUX_FS_H
#define _LINUX_FS_H
-#include <linux/barebox-wrapper.h>
#include <linux/list.h>
#include <linux/time.h>
#include <linux/mount.h>
@@ -9,6 +8,7 @@
#include <linux/spinlock.h>
#include <linux/mutex.h>
#include <linux/wait.h>
+#include <linux/rwsem.h>
/* Page cache limit. The filesystems should put that into their s_maxbytes
limits, otherwise bad things can happen in VM. */
diff --git a/include/linux/rwsem.h b/include/linux/rwsem.h
new file mode 100644
index 0000000..5259957
--- /dev/null
+++ b/include/linux/rwsem.h
@@ -0,0 +1,19 @@
+/* rwsem.h: R/W semaphores, public interface
+ *
+ * Written by David Howells (dhowells@redhat.com).
+ * Derived from asm-i386/semaphore.h
+ */
+
+#ifndef _LINUX_RWSEM_H
+#define _LINUX_RWSEM_H
+
+struct rw_semaphore { int i; };
+
+#define init_rwsem(...) do { } while (0)
+#define down_read(...) do { } while (0)
+#define down_write(...) do { } while (0)
+#define down_write_trylock(...) 1
+#define up_read(...) do { } while (0)
+#define up_write(...) do { } while (0)
+
+#endif /* _LINUX_RWSEM_H */
--
2.1.4
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next prev parent reply other threads:[~2016-01-27 15:24 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-27 15:22 [PATCH 1/5] Introduce include/linux/sched.h yegorslists
2016-01-27 15:22 ` [PATCH 2/5] Introduce include/linux/spinlock.h yegorslists
2016-01-27 15:22 ` [PATCH 3/5] Introduce include/linux/mutex.h yegorslists
2016-01-27 15:22 ` [PATCH 4/5] Introduce include/linux/wait.h yegorslists
2016-01-27 15:22 ` yegorslists [this message]
2016-01-29 7:08 ` [PATCH 1/5] Introduce include/linux/sched.h Sascha Hauer
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