diff options
| -rw-r--r-- | block/genhd.c | 16 | ||||
| -rw-r--r-- | drivers/ide/ide-cd.c | 2 | ||||
| -rw-r--r-- | drivers/md/dm-ioctl.c | 2 | ||||
| -rw-r--r-- | fs/partitions/check.c | 2 | ||||
| -rw-r--r-- | include/linux/genhd.h | 6 |
5 files changed, 13 insertions, 15 deletions
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); diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index f16bb466723..03c2cb6a58b 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -1113,7 +1113,7 @@ static ide_startstop_t cdrom_start_rw(ide_drive_t *drive, struct request *rq) if (write) { /* disk has become write protected */ - if (cd->disk->policy) { + if (get_disk_ro(cd->disk)) { cdrom_end_request(drive, 0); return ide_stopped; } diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c index c3de311117a..5b919159f08 100644 --- a/drivers/md/dm-ioctl.c +++ b/drivers/md/dm-ioctl.c @@ -548,7 +548,7 @@ static int __dev_status(struct mapped_device *md, struct dm_ioctl *param) */ param->open_count = dm_open_count(md); - if (disk->policy) + if (get_disk_ro(disk)) param->flags |= DM_READONLY_FLAG; param->event_nr = dm_get_event_nr(md); diff --git a/fs/partitions/check.c b/fs/partitions/check.c index 24d2c56d7d2..ace6d03602c 100644 --- a/fs/partitions/check.c +++ b/fs/partitions/check.c @@ -375,7 +375,7 @@ int add_partition(struct gendisk *disk, int partno, p->start_sect = start; p->nr_sects = len; p->partno = partno; - p->policy = disk->policy; + p->policy = get_disk_ro(disk); dname = dev_name(ddev); if (isdigit(dname[strlen(dname) - 1])) diff --git a/include/linux/genhd.h b/include/linux/genhd.h index 9cb8380cf0e..4411bdd671d 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -145,7 +145,6 @@ struct gendisk { struct kobject *slave_dir; struct timer_rand_state *random; - int policy; atomic_t sync_io; /* RAID */ unsigned long stamp; @@ -403,6 +402,11 @@ extern struct block_device *bdget_disk(struct gendisk *disk, int partno); extern void set_device_ro(struct block_device *bdev, int flag); extern void set_disk_ro(struct gendisk *disk, int flag); +static inline int get_disk_ro(struct gendisk *disk) +{ + return disk->part0.policy; +} + /* drivers/char/random.c */ extern void add_disk_randomness(struct gendisk *disk); extern void rand_initialize_disk(struct gendisk *disk); |