From: Arjan van de Ven <arjanv@redhat.com>
---
25-akpm/drivers/ide/ide-disk.c | 18 ++++++++++++++++++
1 files changed, 18 insertions(+)
diff -puN drivers/ide/ide-disk.c~force-ide-cache-flush-on-shutdown-flush drivers/ide/ide-disk.c
--- 25/drivers/ide/ide-disk.c~force-ide-cache-flush-on-shutdown-flush 2004-05-08 13:14:43.366947944 -0700
+++ 25-akpm/drivers/ide/ide-disk.c 2004-05-08 13:14:43.372947032 -0700
@@ -1835,6 +1835,23 @@ static int idedisk_revalidate_disk(struc
return 0;
}
+static int ide_drive_shutdown(struct device * dev)
+{
+ ide_drive_t * drive = container_of(dev,ide_drive_t,gendev);
+
+ /* safety checks */
+ if (!drive->present)
+ return 0;
+ if (drive->media != ide_disk)
+ return 0;
+ printk("Flushing cache: %s \n", drive->name);
+ ide_cacheflush_p(drive);
+ /* give the hardware time to finish; it may return prematurely to cheat */
+ mdelay(300);
+ return 0;
+}
+
+
static struct block_device_operations idedisk_ops = {
.owner = THIS_MODULE,
.open = idedisk_open,
@@ -1896,6 +1913,7 @@ static void __exit idedisk_exit (void)
static int idedisk_init (void)
{
+ idedisk_driver.gen_driver.shutdown = ide_drive_shutdown;
return ide_register_driver(&idedisk_driver);
}
_