Update bcachefs sources to 50847e296b34 bcachefs: Check subvol <-> inode pointers...

[bcachefs-tools-debian] / linux / darray.c

diff --git a/linux/darray.c b/linux/darray.c
new file mode 100644 (file)
index 0000000..80e7795
--- /dev/null
+++ b/linux/darray.c
@@ -0,0 +1,27 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * (C) 2022-2024 Kent Overstreet <kent.overstreet@linux.dev>
+ */
+
+#include <linux/darray.h>
+#include <linux/log2.h>
+#include <linux/slab.h>
+
+int __darray_resize_slowpath(darray_char *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 = kvmalloc_array(new_size, element_size, gfp);
+               if (!data)
+                       return -ENOMEM;
+
+               memcpy(data, d->data, d->size * element_size);
+               if (d->data != d->preallocated)
+                       kvfree(d->data);
+               d->data = data;
+               d->size = new_size;
+       }
+
+       return 0;
+}