exportfs: make struct export_operations const

Now that nfsd has stopped writing to the find_exported_dentry member we an
mark the export_operations const

Signed-off-by: Christoph Hellwig <[email protected]>
Cc: Neil Brown <[email protected]>
Cc: "J. Bruce Fields" <[email protected]>
Cc: <[email protected]>
Cc: Dave Kleikamp <[email protected]>
Cc: Anton Altaparmakov <[email protected]>
Cc: David Chinner <[email protected]>
Cc: Timothy Shimmin <[email protected]>
Cc: OGAWA Hirofumi <[email protected]>
Cc: Hugh Dickins <[email protected]>
Cc: Chris Mason <[email protected]>
Cc: Jeff Mahoney <[email protected]>
Cc: "Vladimir V. Saveliev" <[email protected]>
Cc: Steven Whitehouse <[email protected]>
Cc: Mark Fasheh <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 50078bb30a1c..b3ec4a496d64 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -987,7 +987,7 @@ struct super_block {
 	const struct super_operations	*s_op;
 	struct dquot_operations	*dq_op;
  	struct quotactl_ops	*s_qcop;
-	struct export_operations *s_export_op;
+	const struct export_operations *s_export_op;
 	unsigned long		s_flags;
 	unsigned long		s_magic;
 	struct dentry		*s_root;