The patch titled
Subject: bcache: use of hlist_count_nodes()
has been added to the -mm mm-nonmm-unstable branch. Its filename is
bcache-use-of-hlist_count_nodes.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/bcache-use-of-hlist_count_nodes.patch
This patch will later appear in the mm-nonmm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Pierre Gondois <pierre.gondois@xxxxxxx>
Subject: bcache: use of hlist_count_nodes()
Date: Thu, 4 Jan 2024 17:49:35 +0100
Make use of the newly added hlist_count_nodes().
Link: https://lkml.kernel.org/r/20240104164937.424320-4-pierre.gondois@xxxxxxx
Signed-off-by: Pierre Gondois <pierre.gondois@xxxxxxx>
Acked-by: Coly Li <colyli@xxxxxxx>
Acked-by: Marco Elver <elver@xxxxxxxxxx>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Cc: Arve Hjønnevåg <arve@xxxxxxxxxxx>
Cc: Carlos Llamas <cmllamas@xxxxxxxxxx>
Cc: Christian Brauner <brauner@xxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Jani Nikula <jani.nikula@xxxxxxxxx>
Cc: Joel Fernandes (Google) <joel@xxxxxxxxxxxxxxxxx>
Cc: Kees Cook <keescook@xxxxxxxxxxxx>
Cc: Kent Overstreet <kent.overstreet@xxxxxxxxx>
Cc: Martijn Coenen <maco@xxxxxxxxxxx>
Cc: Suren Baghdasaryan <surenb@xxxxxxxxxx>
Cc: Todd Kjos <tkjos@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/md/bcache/sysfs.c | 8 +-------
1 file changed, 1 insertion(+), 7 deletions(-)
--- a/drivers/md/bcache/sysfs.c~bcache-use-of-hlist_count_nodes
+++ a/drivers/md/bcache/sysfs.c
@@ -702,13 +702,7 @@ static unsigned int bch_cache_max_chain(
for (h = c->bucket_hash;
h < c->bucket_hash + (1 << BUCKET_HASH_BITS);
h++) {
- unsigned int i = 0;
- struct hlist_node *p;
-
- hlist_for_each(p, h)
- i++;
-
- ret = max(ret, i);
+ ret = max(ret, hlist_count_nodes(h));
}
mutex_unlock(&c->bucket_lock);
_
Patches currently in -mm which might be from pierre.gondois@xxxxxxx are
list-add-hlist_count_nodes.patch
binder-use-of-hlist_count_nodes.patch
bcache-use-of-hlist_count_nodes.patch
