[PATCH] mark struct file_operations const 2

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.

[akpm@osdl.org: sparc64 fix]
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>
此提交包含在:
Arjan van de Ven
2007-02-12 00:55:31 -08:00
提交者 Linus Torvalds
父節點 540473208f
當前提交 5dfe4c964a
共有 59 個檔案被更改,包括 94 行新增94 行删除

查看文件

@@ -34,7 +34,7 @@ struct hypfs_sb_info {
struct mutex lock; /* lock to protect update process */
};
static struct file_operations hypfs_file_ops;
static const struct file_operations hypfs_file_ops;
static struct file_system_type hypfs_type;
static struct super_operations hypfs_s_ops;
@@ -440,7 +440,7 @@ struct dentry *hypfs_create_str(struct super_block *sb, struct dentry *dir,
return dentry;
}
static struct file_operations hypfs_file_ops = {
static const struct file_operations hypfs_file_ops = {
.open = hypfs_open,
.release = hypfs_release,
.read = do_sync_read,