From b7db9956e57c8151b930d5e5fe5c766e6aad3ff7 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Mon, 25 Aug 2008 19:56:10 +0900 Subject: block: move policy from disk to part0 Move disk->policy to part0->policy. Implement and use get_disk_ro(). Signed-off-by: Tejun Heo Signed-off-by: Jens Axboe --- block/genhd.c | 16 +++++----------- 1 file changed, 5 insertions(+), 11 deletions(-) (limited to 'block') diff --git a/block/genhd.c b/block/genhd.c index c70db35076a..70358f3c742 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -757,7 +757,7 @@ static ssize_t disk_ro_show(struct device *dev, { struct gendisk *disk = dev_to_disk(dev); - return sprintf(buf, "%d\n", disk->policy ? 1 : 0); + return sprintf(buf, "%d\n", get_disk_ro(disk) ? 1 : 0); } static ssize_t disk_capability_show(struct device *dev, @@ -1090,10 +1090,7 @@ EXPORT_SYMBOL(put_disk); void set_device_ro(struct block_device *bdev, int flag) { - if (bdev->bd_contains != bdev) - bdev->bd_part->policy = flag; - else - bdev->bd_disk->policy = flag; + bdev->bd_part->policy = flag; } EXPORT_SYMBOL(set_device_ro); @@ -1103,8 +1100,8 @@ void set_disk_ro(struct gendisk *disk, int flag) struct disk_part_iter piter; struct hd_struct *part; - disk->policy = flag; - disk_part_iter_init(&piter, disk, DISK_PITER_INCL_EMPTY); + disk_part_iter_init(&piter, disk, + DISK_PITER_INCL_EMPTY | DISK_PITER_INCL_PART0); while ((part = disk_part_iter_next(&piter))) part->policy = flag; disk_part_iter_exit(&piter); @@ -1116,10 +1113,7 @@ int bdev_read_only(struct block_device *bdev) { if (!bdev) return 0; - else if (bdev->bd_contains != bdev) - return bdev->bd_part->policy; - else - return bdev->bd_disk->policy; + return bdev->bd_part->policy; } EXPORT_SYMBOL(bdev_read_only); -- cgit v1.2.3