diff options
author | Kent Overstreet <kent.overstreet@linux.dev> | 2024-01-16 17:00:02 -0500 |
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committer | Kent Overstreet <kent.overstreet@linux.dev> | 2024-01-16 17:17:23 -0500 |
commit | b5fd066153c40a70a29caa1ea7987723ab687763 (patch) | |
tree | 6d43a8b0a90d549a54c65565ac96c92b3e84b594 /libbcachefs/errcode.c | |
parent | 06ff8b55b70fda44d91b31b5511fafd1680a8934 (diff) |
Move c_src dirs back to toplevel
We just wanted c sourcefiles out of the top level, not c source
directories.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'libbcachefs/errcode.c')
-rw-r--r-- | libbcachefs/errcode.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/libbcachefs/errcode.c b/libbcachefs/errcode.c new file mode 100644 index 00000000..d260ff9b --- /dev/null +++ b/libbcachefs/errcode.c @@ -0,0 +1,68 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include "bcachefs.h" +#include "errcode.h" + +#include <linux/errname.h> + +static const char * const bch2_errcode_strs[] = { +#define x(class, err) [BCH_ERR_##err - BCH_ERR_START] = #err, + BCH_ERRCODES() +#undef x + NULL +}; + +static unsigned bch2_errcode_parents[] = { +#define x(class, err) [BCH_ERR_##err - BCH_ERR_START] = class, + BCH_ERRCODES() +#undef x +}; + +const char *bch2_err_str(int err) +{ + const char *errstr; + + err = abs(err); + + BUG_ON(err >= BCH_ERR_MAX); + + if (err >= BCH_ERR_START) + errstr = bch2_errcode_strs[err - BCH_ERR_START]; + else if (err) + errstr = errname(err); + else + errstr = "(No error)"; + return errstr ?: "(Invalid error)"; +} + +bool __bch2_err_matches(int err, int class) +{ + err = abs(err); + class = abs(class); + + BUG_ON(err >= BCH_ERR_MAX); + BUG_ON(class >= BCH_ERR_MAX); + + while (err >= BCH_ERR_START && err != class) + err = bch2_errcode_parents[err - BCH_ERR_START]; + + return err == class; +} + +int __bch2_err_class(int err) +{ + err = -err; + BUG_ON((unsigned) err >= BCH_ERR_MAX); + + while (err >= BCH_ERR_START && bch2_errcode_parents[err - BCH_ERR_START]) + err = bch2_errcode_parents[err - BCH_ERR_START]; + + return -err; +} + +const char *bch2_blk_status_to_str(blk_status_t status) +{ + if (status == BLK_STS_REMOVED) + return "device removed"; + return blk_status_to_str(status); +} |