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| author | Tejun Heo <tj@kernel.org> | 2008-08-25 19:56:10 +0900 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2008-10-09 08:56:07 +0200 |
| commit | b7db9956e57c8151b930d5e5fe5c766e6aad3ff7 (patch) | |
| tree | d663a8687fff481abb1498c2ea0eac01ef81cb26 /block | |
| parent | e56105214943ce5f0901d20e972a7cfd0d1d0656 (diff) | |
| download | kernel-common-b7db9956e57c8151b930d5e5fe5c766e6aad3ff7.tar.gz kernel-common-b7db9956e57c8151b930d5e5fe5c766e6aad3ff7.tar.bz2 kernel-common-b7db9956e57c8151b930d5e5fe5c766e6aad3ff7.zip | |
block: move policy from disk to part0
Move disk->policy to part0->policy. Implement and use get_disk_ro().
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'block')
| -rw-r--r-- | block/genhd.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/block/genhd.c b/block/genhd.c index c70db35076a0..70358f3c7423 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); |