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authorArjan van de Ven <arjan@linux.intel.com>2007-02-12 00:55:34 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 09:48:45 -0800
commit00977a59b951207d38380c75f03a36829950265c (patch)
tree26933feafebffca95df02c19df03f5e56aada47e /fs/dlm/user.c
parentd54b1fdb1d9f82e375a299e22bd366aad52d4c34 (diff)
[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/dlm/user.c')
-rw-r--r--fs/dlm/user.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/dlm/user.c b/fs/dlm/user.c
index d378b7fe2a1..40db61dc95f 100644
--- a/fs/dlm/user.c
+++ b/fs/dlm/user.c
@@ -25,7 +25,7 @@
static const char *name_prefix="dlm";
static struct miscdevice ctl_device;
-static struct file_operations device_fops;
+static const struct file_operations device_fops;
#ifdef CONFIG_COMPAT
@@ -759,7 +759,7 @@ static int ctl_device_close(struct inode *inode, struct file *file)
return 0;
}
-static struct file_operations device_fops = {
+static const struct file_operations device_fops = {
.open = device_open,
.release = device_close,
.read = device_read,
@@ -768,7 +768,7 @@ static struct file_operations device_fops = {
.owner = THIS_MODULE,
};
-static struct file_operations ctl_device_fops = {
+static const struct file_operations ctl_device_fops = {
.open = ctl_device_open,
.release = ctl_device_close,
.write = device_write,