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fs: remove comment about d_rcu_to_refcount

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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>
This commit is contained in:
Jeff Layton
2024-08-02 17:45:02 -04:00
committed by Christian Brauner
parent 2e91f69afa
commit 45fab40d34
1 changed files with 0 additions and 3 deletions
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fs/dcache.c
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@@ -2163,9 +2163,6 @@ static noinline struct dentry *__d_lookup_rcu_op_compare(
* 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