fs: remove comment about d_rcu_to_refcount

This function no longer exists.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Link: https://lore.kernel.org/r/20240802-openfast-v1-1-a1cff2a33063@kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>

diff --git a/fs/dcache.c b/fs/dcache.c
index 3d8daaecb6d1a2570c1ad11ec765019da8e0dcd8..1af75fa68638a0034a3959e31340f20f1c26197d 100644 (file)
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -2163,9 +2163,6 @@ seqretry:
  * without taking d_lock and checking d_seq sequence count against @seq
  * returned here.
  *
- * A refcount may be taken on the found dentry with the d_rcu_to_refcount
- * function.
- *
  * Alternatively, __d_lookup_rcu may be called again to look up the child of
  * the returned dentry, so long as its parent's seqlock is checked after the
  * child is looked up. Thus, an interlocking stepping of sequence lock checks