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-rw-r--r--Documentation/filesystems/porting8
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/filesystems/porting b/Documentation/filesystems/porting
index 0f3a1390bf00..fa2db081505e 100644
--- a/Documentation/filesystems/porting
+++ b/Documentation/filesystems/porting
@@ -463,3 +463,11 @@ in your dentry operations instead.
of the in-tree instances did). inode_hash_lock is still held,
of course, so they are still serialized wrt removal from inode hash,
as well as wrt set() callback of iget5_locked().
+--
+[mandatory]
+ d_materialise_unique() is gone; d_splice_alias() does everything you
+ need now. Remember that they have opposite orders of arguments ;-/
+--
+[mandatory]
+ f_dentry is gone; use f_path.dentry, or, better yet, see if you can avoid
+ it entirely.