1 // SPDX-License-Identifier: GPL-2.0
2
3 #include <linux/log2.h>
4 #include <linux/slab.h>
5 #include "darray.h"
6
__bch2_darray_resize(darray_char * d,size_t element_size,size_t new_size,gfp_t gfp)7 int __bch2_darray_resize(darray_char *d, size_t element_size, size_t new_size, gfp_t gfp)
8 {
9 if (new_size > d->size) {
10 new_size = roundup_pow_of_two(new_size);
11
12 void *data = kvmalloc_array(new_size, element_size, gfp);
13 if (!data)
14 return -ENOMEM;
15
16 memcpy(data, d->data, d->size * element_size);
17 if (d->data != d->preallocated)
18 kvfree(d->data);
19 d->data = data;
20 d->size = new_size;
21 }
22
23 return 0;
24 }
25