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-rw-r--r--fs/bcachefs/checksum.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/fs/bcachefs/checksum.h b/fs/bcachefs/checksum.h
index 13998388c5..1b8c2c1016 100644
--- a/fs/bcachefs/checksum.h
+++ b/fs/bcachefs/checksum.h
@@ -45,6 +45,29 @@ struct bch_csum bch2_checksum(struct bch_fs *, unsigned, struct nonce,
bch2_checksum(_c, _type, _nonce, _start, vstruct_end(_i) - _start);\
})
+static inline void bch2_csum_to_text(struct printbuf *out,
+ enum bch_csum_type type,
+ struct bch_csum csum)
+{
+ const u8 *p = (u8 *) &csum;
+ unsigned bytes = type < BCH_CSUM_NR ? bch_crc_bytes[type] : 16;
+
+ for (unsigned i = 0; i < bytes; i++)
+ prt_hex_byte(out, p[i]);
+}
+
+static inline void bch2_csum_err_msg(struct printbuf *out,
+ enum bch_csum_type type,
+ struct bch_csum expected,
+ struct bch_csum got)
+{
+ prt_printf(out, "checksum error: got ");
+ bch2_csum_to_text(out, type, got);
+ prt_str(out, " should be ");
+ bch2_csum_to_text(out, type, expected);
+ prt_printf(out, " type %s", bch2_csum_types[type]);
+}
+
int bch2_chacha_encrypt_key(struct bch_key *, struct nonce, void *, size_t);
int bch2_request_key(struct bch_sb *, struct bch_key *);
#ifndef __KERNEL__