BUG_ON(u64s > j->entry_u64s_reserved);
le32_add_cpu(&jset->u64s, u64s);
- BUG_ON(vstruct_sectors(jset, c->block_bits) > w->sectors);
+
+ sectors = vstruct_sectors(jset, c->block_bits);
+ bytes = vstruct_bytes(jset);
+
+ if (sectors > w->sectors) {
+ bch2_fs_fatal_error(c, "aieeee! journal write overran available space, %zu > %u (extra %u reserved %u/%u)",
+ vstruct_bytes(jset), w->sectors << 9,
+ u64s, w->u64s_reserved, j->entry_u64s_reserved);
+ goto err;
+ }
jset->magic = cpu_to_le64(jset_magic(c));
jset->version = c->sb.version < bcachefs_metadata_version_bkey_renumber
jset_validate(c, NULL, jset, 0, WRITE))
goto err;
- sectors = vstruct_sectors(jset, c->block_bits);
- BUG_ON(sectors > w->sectors);
-
- bytes = vstruct_bytes(jset);
memset((void *) jset + bytes, 0, (sectors << 9) - bytes);
retry_alloc: