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 <hch@lst.de>
Cc: Neil Brown <neilb@suse.de>
Cc: "J. Bruce Fields" <bfields@fieldses.org>
Cc: <linux-ext4@vger.kernel.org>
Cc: Dave Kleikamp <shaggy@austin.ibm.com>
Cc: Anton Altaparmakov <aia21@cantab.net>
Cc: David Chinner <dgc@sgi.com>
Cc: Timothy Shimmin <tes@sgi.com>
Cc: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Cc: Hugh Dickins <hugh@veritas.com>
Cc: Chris Mason <mason@suse.com>
Cc: Jeff Mahoney <jeffm@suse.com>
Cc: "Vladimir V. Saveliev" <vs@namesys.com>
Cc: Steven Whitehouse <swhiteho@redhat.com>
Cc: Mark Fasheh <mark.fasheh@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2 files changed, 2 insertions, 2 deletions

diff --git a/fs/ocfs2/export.c b/fs/ocfs2/export.c
index 3ad83e34dd39..535bfa9568a4 100644
--- a/fs/ocfs2/export.c
+++ b/fs/ocfs2/export.c
@@ -222,7 +222,7 @@ static struct dentry *ocfs2_fh_to_parent(struct super_block *sb,
         return ocfs2_get_dentry(sb, &parent);
 }
 
-struct export_operations ocfs2_export_ops = {
+const struct export_operations ocfs2_export_ops = {
         .encode_fh      = ocfs2_encode_fh,
         .fh_to_dentry   = ocfs2_fh_to_dentry,
         .fh_to_parent   = ocfs2_fh_to_parent,
diff --git a/fs/ocfs2/export.h b/fs/ocfs2/export.h
index e08bed9e45a0..41a738678c37 100644
--- a/fs/ocfs2/export.h
+++ b/fs/ocfs2/export.h
@@ -28,6 +28,6 @@
 
 #include <linux/exportfs.h>
 
-extern struct export_operations ocfs2_export_ops;
+extern const struct export_operations ocfs2_export_ops;
 
 #endif /* OCFS2_EXPORT_H */