+int llog_verify_record(const struct llog_handle *llh, struct llog_rec_hdr *rec)
+{
+ int chunk_size = llh->lgh_hdr->llh_hdr.lrh_len;
+
+ if (rec->lrh_len == 0 || rec->lrh_len > chunk_size) {
+ CERROR("%s: record is too large: %d > %d\n",
+ loghandle2name(llh), rec->lrh_len, chunk_size);
+ return -EINVAL;
+ }
+ if (rec->lrh_index >= LLOG_HDR_BITMAP_SIZE(llh->lgh_hdr)) {
+ CERROR("%s: index is too high: %d\n",
+ loghandle2name(llh), rec->lrh_index);
+ return -EINVAL;
+ }
+ if ((rec->lrh_type & LLOG_OP_MASK) != LLOG_OP_MAGIC) {
+ CERROR("%s: magic %x is bad\n",
+ loghandle2name(llh), rec->lrh_type);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL(llog_verify_record);
+