bcachefs: fix a possible bcachefs checksum mapping error opt-checksum enum to type...

This fixes some rare cases where the metadata checksum option specified
may map to the wrong actual checksum type.

Signed-off-by: Janpieter Sollie <janpieter.sollie@edpnet.be>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

diff --git a/fs/bcachefs/super-io.c b/fs/bcachefs/super-io.c
index fc6fb302706ac939e35f9ab1e8c76492ee629135..403e77e2c515d2242eb2133a81719d1e2e8f4eaa 100644 (file)
--- a/fs/bcachefs/super-io.c
+++ b/fs/bcachefs/super-io.c
@@ -684,7 +684,7 @@ static void write_one_super(struct bch_fs *c, struct bch_dev *ca, unsigned idx)
 
        sb->offset = sb->layout.sb_offset[idx];
 
-       SET_BCH_SB_CSUM_TYPE(sb, c->opts.metadata_checksum);
+       SET_BCH_SB_CSUM_TYPE(sb, bch2_csum_opt_to_type(c->opts.metadata_checksum, false));
        sb->csum = csum_vstruct(c, BCH_SB_CSUM_TYPE(sb),
                                null_nonce(), sb);