[PATCH 17/20] d_alloc_parallel(): in-lookup hash insertion doesn't need an RCU variant

From: Al Viro
Date: Fri Nov 24 2023 - 01:18:49 EST


We only search in the damn thing under hlist_bl_lock(); RCU variant
of insertion was, IIRC, pretty much cargo-culted - mea culpa...

Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
---
fs/dcache.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/dcache.c b/fs/dcache.c
index 440b46851f52..51e2f777a2c5 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -2690,7 +2690,7 @@ struct dentry *d_alloc_parallel(struct dentry *parent,
/* we can't take ->d_lock here; it's OK, though. */
new->d_flags |= DCACHE_PAR_LOOKUP;
new->d_wait = wq;
- hlist_bl_add_head_rcu(&new->d_u.d_in_lookup_hash, b);
+ hlist_bl_add_head(&new->d_u.d_in_lookup_hash, b);
hlist_bl_unlock(b);
return new;
mismatch:
--
2.39.2