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/ntfs/namei.c b/fs/ntfs/namei.c
index 887c5e131093..e1781c8b1650 100644
--- a/fs/ntfs/namei.c
+++ b/fs/ntfs/namei.c
@@ -499,7 +499,7 @@ static struct dentry *ntfs_fh_to_parent(struct super_block *sb, struct fid *fid,
  * allowing the inode number 0 which is used in NTFS for the system file $MFT
  * and due to using iget() whereas NTFS needs ntfs_iget().
  */
-struct export_operations ntfs_export_ops = {
+const struct export_operations ntfs_export_ops = {
         .get_parent     = ntfs_get_parent,      /* Find the parent of a given
                                                    directory. */
         .fh_to_dentry   = ntfs_fh_to_dentry,
diff --git a/fs/ntfs/ntfs.h b/fs/ntfs/ntfs.h
index d73f5a9ac341..d6a340bf80fc 100644
--- a/fs/ntfs/ntfs.h
+++ b/fs/ntfs/ntfs.h
@@ -69,7 +69,7 @@ extern const struct inode_operations ntfs_dir_inode_ops;
 extern const struct  file_operations ntfs_empty_file_ops;
 extern const struct inode_operations ntfs_empty_inode_ops;
 
-extern struct export_operations ntfs_export_ops;
+extern const struct export_operations ntfs_export_ops;
 
 /**
  * NTFS_SB - return the ntfs volume given a vfs super block