186 	struct erase_info erase;  in mtdpstore_erase_do()  local
190 	dev_dbg(&mtd->dev, "try to erase off 0x%llx\n", off);  in mtdpstore_erase_do()
191 	erase.len = cxt->mtd->erasesize;  in mtdpstore_erase_do()
192 	erase.addr = off;  in mtdpstore_erase_do()
193 	ret = mtd_erase(cxt->mtd, &erase);  in mtdpstore_erase_do()
197 		dev_err(&mtd->dev, "erase of region [0x%llx, 0x%llx] on \"%s\" failed\n",  in mtdpstore_erase_do()
198 		       (unsigned long long)erase.addr,  in mtdpstore_erase_do()
199 		       (unsigned long long)erase.len, cxt->info.device);  in mtdpstore_erase_do()
206  * Avoiding over erasing, do erase block only when the whole block is unused.
207  * If the block contains valid log, do erase lazily on flush_removed() when
219 	/* If the block still has valid data, mtdpstore do erase lazily */  in mtdpstore_erase()
225 	/* all zones are unused, erase it */  in mtdpstore_erase()
231  * As there is no erase for panic case, we should ensure at least one zone
254 	/* If there is no any empty zone, we have no way but to do erase */  in mtdpstore_security()
430 	cxt->dev.zone.erase = mtdpstore_erase;  in mtdpstore_notify_add()
451 	struct erase_info erase;  in mtdpstore_flush_removed_do()  local
462 	/* 2nd. erase block */  in mtdpstore_flush_removed_do()
463 	erase.len = mtd->erasesize;  in mtdpstore_flush_removed_do()
464 	erase.addr = off;  in mtdpstore_flush_removed_do()
465 	ret = mtd_erase(mtd, &erase);  in mtdpstore_flush_removed_do()
494  * it's nice to erase the block. However if the block still contains valid log,
495  * what mtdpstore can do is to erase and write the valid log back.