[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/afs/internal.h b/fs/afs/internal.h
index e88b3b6..5151d5d 100644
--- a/fs/afs/internal.h
+++ b/fs/afs/internal.h
@@ -63,14 +63,14 @@
/*
* dir.c
*/
-extern struct inode_operations afs_dir_inode_operations;
+extern const struct inode_operations afs_dir_inode_operations;
extern const struct file_operations afs_dir_file_operations;
/*
* file.c
*/
extern const struct address_space_operations afs_fs_aops;
-extern struct inode_operations afs_file_inode_operations;
+extern const struct inode_operations afs_file_inode_operations;
#ifdef AFS_CACHING_SUPPORT
extern int afs_cache_get_page_cookie(struct page *page,
@@ -104,7 +104,7 @@
/*
* mntpt.c
*/
-extern struct inode_operations afs_mntpt_inode_operations;
+extern const struct inode_operations afs_mntpt_inode_operations;
extern const struct file_operations afs_mntpt_file_operations;
extern struct afs_timer afs_mntpt_expiry_timer;
extern struct afs_timer_ops afs_mntpt_expiry_timer_ops;