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authorArjan van de Ven <arjan@linux.intel.com>2007-02-12 09:55:34 +0100
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 18:48:45 +0100
commit00977a59b951207d38380c75f03a36829950265c (patch)
tree26933feafebffca95df02c19df03f5e56aada47e /fs/ocfs2
parent[PATCH] mark struct file_operations const 5 (diff)
downloadlinux-00977a59b951207d38380c75f03a36829950265c.tar.xz
linux-00977a59b951207d38380c75f03a36829950265c.zip
[PATCH] mark struct file_operations const 6
Many struct file_operations in the kernel can be "const". Marking them const moves these to the .rodata section, which avoids false sharing with potential dirty data. In addition it'll catch accidental writes at compile time to these shared resources. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/ocfs2')
-rw-r--r--fs/ocfs2/dlm/dlmfs.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/ocfs2/dlm/dlmfs.c b/fs/ocfs2/dlm/dlmfs.c
index b7f0ba97a1a2..30826242bf51 100644
--- a/fs/ocfs2/dlm/dlmfs.c
+++ b/fs/ocfs2/dlm/dlmfs.c
@@ -62,7 +62,7 @@
#include "cluster/masklog.h"
static struct super_operations dlmfs_ops;
-static struct file_operations dlmfs_file_operations;
+static const struct file_operations dlmfs_file_operations;
static struct inode_operations dlmfs_dir_inode_operations;
static struct inode_operations dlmfs_root_inode_operations;
static struct inode_operations dlmfs_file_inode_operations;
@@ -540,7 +540,7 @@ static int dlmfs_fill_super(struct super_block * sb,
return 0;
}
-static struct file_operations dlmfs_file_operations = {
+static const struct file_operations dlmfs_file_operations = {
.open = dlmfs_file_open,
.release = dlmfs_file_release,
.read = dlmfs_file_read,