Update bcachefs sources to 8e1519ccb6 bcachefs: Add tracepoint & counter for btree...

[bcachefs-tools-debian] / libbcachefs / checksum.h

diff --git a/libbcachefs/checksum.h b/libbcachefs/checksum.h
index 24dee8039d57bd37f652e85273d0089abd9a5c3d..409ad534d9f40c23efd94817349ca1eeffb4ff44 100644 (file)
--- a/libbcachefs/checksum.h
+++ b/libbcachefs/checksum.h
@@ -13,9 +13,9 @@ static inline bool bch2_checksum_mergeable(unsigned type)
 {
 
        switch (type) {
-       case BCH_CSUM_NONE:
-       case BCH_CSUM_CRC32C:
-       case BCH_CSUM_CRC64:
+       case BCH_CSUM_none:
+       case BCH_CSUM_crc32c:
+       case BCH_CSUM_crc64:
                return true;
        default:
                return false;
@@ -49,7 +49,7 @@ struct bch_csum bch2_checksum(struct bch_fs *, unsigned, struct nonce,
 int bch2_chacha_encrypt_key(struct bch_key *, struct nonce, void *, size_t);
 int bch2_request_key(struct bch_sb *, struct bch_key *);
 
-void bch2_encrypt(struct bch_fs *, unsigned, struct nonce,
+int bch2_encrypt(struct bch_fs *, unsigned, struct nonce,
                 void *data, size_t);
 
 struct bch_csum bch2_checksum_bio(struct bch_fs *, unsigned,
@@ -61,8 +61,16 @@ int bch2_rechecksum_bio(struct bch_fs *, struct bio *, struct bversion,
                        struct bch_extent_crc_unpacked *,
                        unsigned, unsigned, unsigned);
 
-void bch2_encrypt_bio(struct bch_fs *, unsigned,
-                   struct nonce, struct bio *);
+int __bch2_encrypt_bio(struct bch_fs *, unsigned,
+                      struct nonce, struct bio *);
+
+static inline int bch2_encrypt_bio(struct bch_fs *c, unsigned type,
+                                  struct nonce nonce, struct bio *bio)
+{
+       return bch2_csum_type_is_encryption(type)
+               ? __bch2_encrypt_bio(c, type, nonce, bio)
+               : 0;
+}
 
 int bch2_decrypt_sb_key(struct bch_fs *, struct bch_sb_field_crypt *,
                        struct bch_key *);
@@ -77,32 +85,37 @@ static inline enum bch_csum_type bch2_csum_opt_to_type(enum bch_csum_opts type,
                                                       bool data)
 {
        switch (type) {
-       case BCH_CSUM_OPT_NONE:
-            return BCH_CSUM_NONE;
-       case BCH_CSUM_OPT_CRC32C:
-            return data ? BCH_CSUM_CRC32C : BCH_CSUM_CRC32C_NONZERO;
-       case BCH_CSUM_OPT_CRC64:
-            return data ? BCH_CSUM_CRC64 : BCH_CSUM_CRC64_NONZERO;
+       case BCH_CSUM_OPT_none:
+               return BCH_CSUM_none;
+       case BCH_CSUM_OPT_crc32c:
+               return data ? BCH_CSUM_crc32c : BCH_CSUM_crc32c_nonzero;
+       case BCH_CSUM_OPT_crc64:
+               return data ? BCH_CSUM_crc64 : BCH_CSUM_crc64_nonzero;
+       case BCH_CSUM_OPT_xxhash:
+               return BCH_CSUM_xxhash;
        default:
-            BUG();
+               BUG();
        }
 }
 
 static inline enum bch_csum_type bch2_data_checksum_type(struct bch_fs *c,
-                                                        unsigned opt)
+                                                        struct bch_io_opts opts)
 {
+       if (opts.nocow)
+               return 0;
+
        if (c->sb.encryption_type)
                return c->opts.wide_macs
-                       ? BCH_CSUM_CHACHA20_POLY1305_128
-                       : BCH_CSUM_CHACHA20_POLY1305_80;
+                       ? BCH_CSUM_chacha20_poly1305_128
+                       : BCH_CSUM_chacha20_poly1305_80;
 
-       return bch2_csum_opt_to_type(opt, true);
+       return bch2_csum_opt_to_type(opts.data_checksum, true);
 }
 
 static inline enum bch_csum_type bch2_meta_checksum_type(struct bch_fs *c)
 {
        if (c->sb.encryption_type)
-               return BCH_CSUM_CHACHA20_POLY1305_128;
+               return BCH_CSUM_chacha20_poly1305_128;
 
        return bch2_csum_opt_to_type(c->opts.metadata_checksum, false);
 }