summaryrefslogtreecommitdiff
path: root/fs/buffer.c
diff options
context:
space:
mode:
authorMark Brown <broonie@kernel.org>2021-10-18 13:50:42 +0100
committerMark Brown <broonie@kernel.org>2021-10-18 13:50:42 +0100
commitb8f3b564937c1f3529bc4897cc41c5d95d2cdbe9 (patch)
treeb71ed4906bbe2ca96d68dbf1d6d6f0fe2676f1de /fs/buffer.c
parent4e52cb9e2c22c9d860910794c82461064baadd9f (diff)
parent519d81956ee277b4419c723adfb154603c2565ba (diff)
Merge tag 'v5.15-rc6' into asoc-5.16
Linux 5.15-rc6
Diffstat (limited to 'fs/buffer.c')
-rw-r--r--fs/buffer.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/buffer.c b/fs/buffer.c
index ab7573d72dd7..c615387aedca 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -1425,12 +1425,16 @@ void invalidate_bh_lrus(void)
}
EXPORT_SYMBOL_GPL(invalidate_bh_lrus);
-void invalidate_bh_lrus_cpu(int cpu)
+/*
+ * It's called from workqueue context so we need a bh_lru_lock to close
+ * the race with preemption/irq.
+ */
+void invalidate_bh_lrus_cpu(void)
{
struct bh_lru *b;
bh_lru_lock();
- b = per_cpu_ptr(&bh_lrus, cpu);
+ b = this_cpu_ptr(&bh_lrus);
__invalidate_bh_lrus(b);
bh_lru_unlock();
}