[PATCH] mark struct inode_operations const 2
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/gfs2/ops_inode.c b/fs/gfs2/ops_inode.c
index f40a848..60f47bf 100644
--- a/fs/gfs2/ops_inode.c
+++ b/fs/gfs2/ops_inode.c
@@ -1115,7 +1115,7 @@
return gfs2_ea_remove(GFS2_I(dentry->d_inode), &er);
}
-struct inode_operations gfs2_file_iops = {
+const struct inode_operations gfs2_file_iops = {
.permission = gfs2_permission,
.setattr = gfs2_setattr,
.getattr = gfs2_getattr,
@@ -1125,7 +1125,7 @@
.removexattr = gfs2_removexattr,
};
-struct inode_operations gfs2_dev_iops = {
+const struct inode_operations gfs2_dev_iops = {
.permission = gfs2_permission,
.setattr = gfs2_setattr,
.getattr = gfs2_getattr,
@@ -1135,7 +1135,7 @@
.removexattr = gfs2_removexattr,
};
-struct inode_operations gfs2_dir_iops = {
+const struct inode_operations gfs2_dir_iops = {
.create = gfs2_create,
.lookup = gfs2_lookup,
.link = gfs2_link,
@@ -1154,7 +1154,7 @@
.removexattr = gfs2_removexattr,
};
-struct inode_operations gfs2_symlink_iops = {
+const struct inode_operations gfs2_symlink_iops = {
.readlink = gfs2_readlink,
.follow_link = gfs2_follow_link,
.permission = gfs2_permission,