Attachment 63427 Details for Bug 143285

[patch] Hack to check if HPA is the reason for the problem

ide-disk-resume-hack (text/plain), 1.91 KB, created by Jens Axboe on 2006-01-16 13:10:02 UTC

(hide)

Description:

Filename:

MIME Type:

Creator: Jens Axboe

Created: 2006-01-16 13:10:02 UTC

Size: 1.91 KB

patch

obsolete

>--- linux-2.6.15/drivers/ide/ide-disk.c~	2006-01-16 14:01:27.000000000 +0100
>+++ linux-2.6.15/drivers/ide/ide-disk.c	2006-01-16 14:03:05.000000000 +0100
>@@ -555,6 +555,15 @@
> 	return drive->capacity64 - drive->sect0;
> }
> 
>+/*
>+ * hack to check if HPA is the reason for the disk access problems after resume
>+ */
>+static int idedisk_resume(ide_drive_t *drive)
>+{
>+	idedisk_check_hpa(drive);
>+	return 0;
>+}
>+
> #ifdef CONFIG_PROC_FS
> 
> static int smart_enable(ide_drive_t *drive)
>@@ -1074,6 +1083,7 @@
> 	.error			= __ide_error,
> 	.abort			= __ide_abort,
> 	.proc			= idedisk_proc,
>+	.resume			= idedisk_resume,
> };
> 
> static int idedisk_open(struct inode *inode, struct file *filp)
>--- linux-2.6.15/drivers/ide/ide-io.c~	2006-01-16 14:03:11.000000000 +0100
>+++ linux-2.6.15/drivers/ide/ide-io.c	2006-01-16 14:09:12.000000000 +0100
>@@ -231,7 +231,13 @@
> 		args->handler = task_no_data_intr;
> 		return do_rw_taskfile(drive, args);
> 
>-	case ide_pm_restore_dma:	/* Resume step 2 (restore DMA) */
>+	case ide_pm_restore_dma: {	/* Resume step 2 (restore DMA) */
>+		struct device *dev = &drive->gendev;
>+		ide_driver_t *drv = container_of(dev->driver, ide_driver_t, gen_driver);
>+
>+		if (drv->resume)
>+			drv->resume(drive);
>+
> 		/*
> 		 * Right now, all we do is call hwif->ide_dma_check(drive),
> 		 * we could be smarter and check for current xfer_speed
>@@ -243,6 +249,7 @@
> 			break;
> 		drive->hwif->ide_dma_check(drive);
> 		break;
>+		}
> 	}
> 	rq->pm->pm_step = ide_pm_state_completed;
> 	return ide_stopped;
>--- linux-2.6.15/include/linux/ide.h~	2006-01-16 14:02:36.000000000 +0100
>+++ linux-2.6.15/include/linux/ide.h	2006-01-16 14:03:00.000000000 +0100
>@@ -981,6 +981,7 @@
> 	int		(*end_request)(ide_drive_t *, int, int);
> 	ide_startstop_t	(*error)(ide_drive_t *, struct request *rq, u8, u8);
> 	ide_startstop_t	(*abort)(ide_drive_t *, struct request *rq);
>+	int		(*resume)(ide_drive_t *);
> 	ide_proc_entry_t	*proc;
> 	struct device_driver	gen_driver;
> } ide_driver_t;

Actions: View | Diff

Attachments on bug 143285: 63356 | 63357 | 63372 | 63421 | 63427 | 63430 | 63523