add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/ide/ide-disk.c
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@@ -427,16 +427,15 @@
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 		drive->dev_flags |= IDE_DFLAG_NOHPA; /* disable HPA on resume */
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 }
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-static int idedisk_prep_fn(struct request_queue *q, struct request *rq)
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+static bool idedisk_prep_rq(ide_drive_t *drive, struct request *rq)
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 {
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-	ide_drive_t *drive = q->queuedata;
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 	struct ide_cmd *cmd;
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 	if (req_op(rq) != REQ_OP_FLUSH)
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-		return BLKPREP_OK;
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+		return true;
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-	if (rq->special) {
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-		cmd = rq->special;
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+	if (ide_req(rq)->special) {
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+		cmd = ide_req(rq)->special;
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 		memset(cmd, 0, sizeof(*cmd));
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 	} else {
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 		cmd = kzalloc(sizeof(*cmd), GFP_ATOMIC);
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@@ -456,10 +455,10 @@
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 	rq->cmd_flags &= ~REQ_OP_MASK;
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 	rq->cmd_flags |= REQ_OP_DRV_OUT;
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 	ide_req(rq)->type = ATA_PRIV_TASKFILE;
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-	rq->special = cmd;
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+	ide_req(rq)->special = cmd;
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 	cmd->rq = rq;
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-	return BLKPREP_OK;
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+	return true;
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 }
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 ide_devset_get(multcount, mult_count);
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@@ -548,7 +547,7 @@
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 		if (barrier) {
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 			wc = true;
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-			blk_queue_prep_rq(drive->queue, idedisk_prep_fn);
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+			drive->prep_rq = idedisk_prep_rq;
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 		}
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 	}
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@@ -740,12 +739,9 @@
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 	set_wcache(drive, 1);
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 	if ((drive->dev_flags & IDE_DFLAG_LBA) == 0 &&
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-	    (drive->head == 0 || drive->head > 16)) {
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+	    (drive->head == 0 || drive->head > 16))
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 		printk(KERN_ERR "%s: invalid geometry: %d physical heads?\n",
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 			drive->name, drive->head);
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-		drive->dev_flags &= ~IDE_DFLAG_ATTACH;
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-	} else
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-		drive->dev_flags |= IDE_DFLAG_ATTACH;
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 }
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 static void ide_disk_flush(ide_drive_t *drive)
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@@ -795,4 +791,5 @@
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 	.set_doorlock		= ide_disk_set_doorlock,
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 	.do_request		= ide_do_rw_disk,
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 	.ioctl			= ide_disk_ioctl,
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+	.compat_ioctl		= ide_disk_ioctl,
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 };