[PATCH] mark struct inode_operations const 3
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/xfs/linux-2.6/xfs_iops.c b/fs/xfs/linux-2.6/xfs_iops.c
index aa4c3b8..0b5fa12 100644
--- a/fs/xfs/linux-2.6/xfs_iops.c
+++ b/fs/xfs/linux-2.6/xfs_iops.c
@@ -813,7 +813,7 @@
}
-struct inode_operations xfs_inode_operations = {
+const struct inode_operations xfs_inode_operations = {
.permission = xfs_vn_permission,
.truncate = xfs_vn_truncate,
.getattr = xfs_vn_getattr,
@@ -824,7 +824,7 @@
.removexattr = xfs_vn_removexattr,
};
-struct inode_operations xfs_dir_inode_operations = {
+const struct inode_operations xfs_dir_inode_operations = {
.create = xfs_vn_create,
.lookup = xfs_vn_lookup,
.link = xfs_vn_link,
@@ -843,7 +843,7 @@
.removexattr = xfs_vn_removexattr,
};
-struct inode_operations xfs_symlink_inode_operations = {
+const struct inode_operations xfs_symlink_inode_operations = {
.readlink = generic_readlink,
.follow_link = xfs_vn_follow_link,
.put_link = xfs_vn_put_link,