linux-kernel - [PATCH 14/14] fs/9p: Prevent multiple inclusion of same header

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Date:	Thu, 17 Feb 2011 23:32:05 +0530
From:	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>
To:	v9fs-developer@...ts.sourceforge.net
Cc:	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>
Subject: [PATCH 14/14] fs/9p: Prevent multiple inclusion of same header

Add necessary #ifndef #endif blocks to avoid mulitple inclusion of same headers

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@...ux.vnet.ibm.com>
---
 fs/9p/fid.h      |    4 +++-
 fs/9p/v9fs.h     |    4 ++++
 fs/9p/v9fs_vfs.h |    6 ++++--
 3 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/fs/9p/fid.h b/fs/9p/fid.h
index c3bbd6a..f610510 100644
--- a/fs/9p/fid.h
+++ b/fs/9p/fid.h
@@ -19,7 +19,8 @@
  *  Boston, MA  02111-1301  USA
  *
  */
-
+#ifndef FS_9P_FID_H
+#define FS_9P_FID_H
 #include <linux/list.h>
 
 /**
@@ -45,3 +46,4 @@ struct v9fs_dentry {
 struct p9_fid *v9fs_fid_lookup(struct dentry *dentry);
 struct p9_fid *v9fs_fid_clone(struct dentry *dentry);
 int v9fs_fid_add(struct dentry *dentry, struct p9_fid *fid);
+#endif
diff --git a/fs/9p/v9fs.h b/fs/9p/v9fs.h
index 64acf72..92fb61b 100644
--- a/fs/9p/v9fs.h
+++ b/fs/9p/v9fs.h
@@ -20,6 +20,9 @@
  *  Boston, MA  02111-1301  USA
  *
  */
+#ifndef FS_9P_V9FS_H
+#define FS_9P_V9FS_H
+
 #include <linux/backing-dev.h>
 
 /**
@@ -193,3 +196,4 @@ v9fs_get_inode_from_fid(struct v9fs_session_info *v9ses, struct p9_fid *fid,
 	else
 		return v9fs_inode_from_fid(v9ses, fid, sb);
 }
+#endif
diff --git a/fs/9p/v9fs_vfs.h b/fs/9p/v9fs_vfs.h
index 3ac13b4..e719282 100644
--- a/fs/9p/v9fs_vfs.h
+++ b/fs/9p/v9fs_vfs.h
@@ -20,6 +20,8 @@
  *  Boston, MA  02111-1301  USA
  *
  */
+#ifndef FS_9P_V9FS_VFS_H
+#define FS_9P_V9FS_VFS_H
 
 /* plan9 semantics are that created files are implicitly opened.
  * But linux semantics are that you call create, then open.
@@ -36,6 +38,7 @@
  * unlink calls remove, which is an implicit clunk. So we have to track
  * that kind of thing so that we don't try to clunk a dead fid.
  */
+#define P9_LOCK_TIMEOUT (30*HZ)
 
 extern struct file_system_type v9fs_fs_type;
 extern const struct address_space_operations v9fs_addr_operations;
@@ -79,5 +82,4 @@ static inline void v9fs_invalidate_inode_attr(struct inode *inode)
 	v9inode->cache_validity |= V9FS_INO_INVALID_ATTR;
 	return;
 }
-
-#define P9_LOCK_TIMEOUT (30*HZ)
+#endif
-- 
1.7.1

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