1 // SPDX-License-Identifier: GPL-2.0
6 #include <linux/errname.h>
8 static const char * const bch2_errcode_strs[] = {
9 #define x(class, err) [BCH_ERR_##err - BCH_ERR_START] = #err,
17 static unsigned bch2_errcode_parents[] = {
18 #define x(class, err) [BCH_ERR_##err - BCH_ERR_START] = BCH_ERR_##class,
23 const char *bch2_err_str(int err)
28 BUG_ON(err >= BCH_ERR_MAX);
30 if (err >= BCH_ERR_START)
31 errstr = bch2_errcode_strs[err - BCH_ERR_START];
33 errstr = errname(err);
35 errstr = "(No error)";
36 return errstr ?: "(Invalid error)";
39 bool __bch2_err_matches(int err, int class)
44 BUG_ON(err >= BCH_ERR_MAX);
45 BUG_ON(class >= BCH_ERR_MAX);
47 while (err >= BCH_ERR_START && err != class)
48 err = bch2_errcode_parents[err - BCH_ERR_START];