NTFS: Change ntfs_attr_find_vcn_nolock() to also take an optional attribute
      search context as argument.  This allows calling it with the mft
      record mapped.  Update all callers.

Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
diff --git a/fs/ntfs/attrib.h b/fs/ntfs/attrib.h
index eeca8e5..62f7625 100644
--- a/fs/ntfs/attrib.h
+++ b/fs/ntfs/attrib.h
@@ -68,7 +68,7 @@
 		const BOOL write_locked);
 
 extern runlist_element *ntfs_attr_find_vcn_nolock(ntfs_inode *ni,
-		const VCN vcn, const BOOL write_locked);
+		const VCN vcn, ntfs_attr_search_ctx *ctx);
 
 int ntfs_attr_lookup(const ATTR_TYPE type, const ntfschar *name,
 		const u32 name_len, const IGNORE_CASE_BOOL ic,