This patch modifies md driver to call bd_claim_by_kobject and bd_release_from_kobject. -- Jun'ichi Nomura, NEC Solutions (America), Inc.
Exporting stacked device relationship to sysfs (md) Signed-off-by: Jun'ichi Nomura <j-nomura@xxxxxxxxxxxxx> --- linux-2.6.15/drivers/md/md.c 2006-01-02 22:21:10.000000000 -0500 +++ linux-2.6.15/drivers/md/md.c 2006-02-21 19:11:16.000000000 -0500 @@ -1226,6 +1226,7 @@ static int bind_rdev_to_array(mdk_rdev_t else ko = &rdev->bdev->bd_disk->kobj; sysfs_create_link(&rdev->kobj, ko, "block"); + bd_claim_by_kobject(rdev->bdev, rdev, &mddev->gendisk->slave_dir); return 0; } @@ -1236,6 +1237,7 @@ static void unbind_rdev_from_array(mdk_r MD_BUG(); return; } + bd_release_from_kobject(rdev->bdev, &rdev->mddev->gendisk->slave_dir); list_del_init(&rdev->same_set); printk(KERN_INFO "md: unbind<%s>\n", bdevname(rdev->bdev,b)); rdev->mddev = NULL;
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