[PATCH] mark struct inode_operations const 1
Many struct inode_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>
diff --git a/fs/adfs/adfs.h b/fs/adfs/adfs.h
index 29217ff..936f2af 100644
--- a/fs/adfs/adfs.h
+++ b/fs/adfs/adfs.h
@@ -84,7 +84,7 @@
*/
/* dir_*.c */
-extern struct inode_operations adfs_dir_inode_operations;
+extern const struct inode_operations adfs_dir_inode_operations;
extern const struct file_operations adfs_dir_operations;
extern struct dentry_operations adfs_dentry_operations;
extern struct adfs_dir_ops adfs_f_dir_ops;
@@ -93,7 +93,7 @@
extern int adfs_dir_update(struct super_block *sb, struct object_info *obj);
/* file.c */
-extern struct inode_operations adfs_file_inode_operations;
+extern const struct inode_operations adfs_file_inode_operations;
extern const struct file_operations adfs_file_operations;
static inline __u32 signed_asl(__u32 val, signed int shift)
diff --git a/fs/adfs/dir.c b/fs/adfs/dir.c
index 2b89038..fc1a8dc 100644
--- a/fs/adfs/dir.c
+++ b/fs/adfs/dir.c
@@ -295,7 +295,7 @@
/*
* directories can handle most operations...
*/
-struct inode_operations adfs_dir_inode_operations = {
+const struct inode_operations adfs_dir_inode_operations = {
.lookup = adfs_lookup,
.setattr = adfs_notify_change,
};
diff --git a/fs/adfs/file.c b/fs/adfs/file.c
index 6101ea6..f544a28 100644
--- a/fs/adfs/file.c
+++ b/fs/adfs/file.c
@@ -36,6 +36,6 @@
.sendfile = generic_file_sendfile,
};
-struct inode_operations adfs_file_inode_operations = {
+const struct inode_operations adfs_file_inode_operations = {
.setattr = adfs_notify_change,
};