From 7fd6c3ffe45b3b42c0bc8a8c5d1387a5e3316a54 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Sun, 12 Nov 2023 20:53:57 -0500
Subject: Update bcachefs sources to 3ca08ab51ec9 bcachefs: six locks: Simplify
 optimistic spinning

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
 libbcachefs/darray.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 libbcachefs/darray.c

(limited to 'libbcachefs/darray.c')

diff --git a/libbcachefs/darray.c b/libbcachefs/darray.c
new file mode 100644
index 00000000..aae07be1
--- /dev/null
+++ b/libbcachefs/darray.c
@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/log2.h>
+#include <linux/slab.h>
+#include "darray.h"
+
+int __bch2_darray_resize(darray_void *d, size_t element_size, size_t new_size, gfp_t gfp)
+{
+	if (new_size > d->size) {
+		new_size = roundup_pow_of_two(new_size);
+
+		void *data = krealloc_array(d->data, new_size, element_size, gfp);
+		if (!data)
+			return -ENOMEM;
+
+		d->data	= data;
+		d->size = new_size;
+	}
+
+	return 0;
+}
-- 
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