328 ssize_t mtd_read_data(MtdReadContext *ctx, char *data, size_t len)  in mtd_read_data()  argument
331     while (read < len) {  in mtd_read_data()
334             size_t copy = len - read < avail ? len - read : avail;  in mtd_read_data()
342                len - read >= ctx->partition->erase_size) {  in mtd_read_data()
347         if (read >= len) {  in mtd_read_data()
352         if (ctx->consumed == ctx->partition->erase_size && read < len) {  in mtd_read_data()
478 ssize_t mtd_write_data(MtdWriteContext *ctx, const char *data, size_t len)  in mtd_write_data()  argument
481     while (wrote < len) {  in mtd_write_data()
483         if (ctx->stored > 0 || len - wrote < ctx->partition->erase_size) {  in mtd_write_data()
485             size_t copy = len - wrote < avail ? len - wrote : avail;  in mtd_write_data()
498         while (ctx->stored == 0 && len - wrote >= ctx->partition->erase_size) {  in mtd_write_data()