udf: Make udf exportable

Cc: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Rasmus Rohde <rohde@duff.dk>
Signed-off-by: Jan Kara <jack@suse.cz>

1 files changed, 21 insertions, 0 deletions

diff --git a/include/linux/exportfs.h b/include/linux/exportfs.h
index de8387b7ceb6..f5abd1306638 100644
--- a/include/linux/exportfs.h
+++ b/include/linux/exportfs.h
@@ -33,6 +33,19 @@ enum fid_type {
          * 32 bit parent directory inode number.
          */
         FILEID_INO32_GEN_PARENT = 2,
+
+        /*
+         * 32 bit block number, 16 bit partition reference,
+         * 16 bit unused, 32 bit generation number.
+         */
+        FILEID_UDF_WITHOUT_PARENT = 0x51,
+
+        /*
+         * 32 bit block number, 16 bit partition reference,
+         * 16 bit unused, 32 bit generation number,
+         * 32 bit parent block number, 32 bit parent generation number
+         */
+        FILEID_UDF_WITH_PARENT = 0x52,
 };
 
 struct fid {
@@ -43,6 +56,14 @@ struct fid {
                         u32 parent_ino;
                         u32 parent_gen;
                 } i32;
+                struct {
+                        u32 block;
+                        u16 partref;
+                        u16 parent_partref;
+                        u32 generation;
+                        u32 parent_block;
+                        u32 parent_generation;
+                } udf;
                 __u32 raw[0];
         };
 };