diff --git a/block/genhd.c b/block/genhd.c index 94b0fe34a755f77016fd7eb34a876e45bffb3294..4211722e1c85c6ecd0a8ae2b29f79ee0b4d907fd 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -646,7 +646,7 @@ static void register_disk(struct device *parent, struct gendisk *disk) if (!bdev) goto exit; - set_bit(GD_NEED_PART_SCAN, &disk->state); + set_bit(BDEV_NEED_PART_SCAN, &bdev->bd_flags); err = blkdev_get(bdev, FMODE_READ, NULL); if (err < 0) goto exit; diff --git a/block/partition-generic.c b/block/partition-generic.c index b8481079c58a1187acc49954380d6ae17e481383..ae3761fed854dd49cb64aa05d0b31cf3aa833993 100644 --- a/block/partition-generic.c +++ b/block/partition-generic.c @@ -546,7 +546,7 @@ int rescan_partitions(struct gendisk *disk, struct block_device *bdev) if (disk->fops->revalidate_disk) disk->fops->revalidate_disk(disk); check_disk_size_change(disk, bdev, true); - clear_bit(GD_NEED_PART_SCAN, &bdev->bd_disk->state); + clear_bit(BDEV_NEED_PART_SCAN, &bdev->bd_flags); if (!get_capacity(disk) || !(state = check_partition(disk, bdev))) return 0; if (IS_ERR(state)) { @@ -662,7 +662,7 @@ int invalidate_partitions(struct gendisk *disk, struct block_device *bdev) { int res; - if (!test_bit(GD_NEED_PART_SCAN, &bdev->bd_disk->state)) + if (!test_bit(BDEV_NEED_PART_SCAN, &bdev->bd_flags)) return 0; res = drop_partitions(disk, bdev); @@ -671,7 +671,7 @@ int invalidate_partitions(struct gendisk *disk, struct block_device *bdev) set_capacity(disk, 0); check_disk_size_change(disk, bdev, false); - clear_bit(GD_NEED_PART_SCAN, &bdev->bd_disk->state); + clear_bit(BDEV_NEED_PART_SCAN, &bdev->bd_flags); /* tell userspace that the media / partition table may have changed */ kobject_uevent(&disk_to_dev(disk)->kobj, KOBJ_CHANGE); diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index 833525f41005dcda59798966c003ecfe0c01864b..b0a45edddafdd8e5ae62e893f4fbcb0525a5be9a 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -317,7 +317,7 @@ static void nbd_size_update(struct nbd_device *nbd, bool start) if (start) set_blocksize(bdev, config->blksize); } else - set_bit(GD_NEED_PART_SCAN, &nbd->disk->state); + set_bit(BDEV_NEED_PART_SCAN, &bdev->bd_flags); bdput(bdev); } kobject_uevent(&nbd_to_dev(nbd)->kobj, KOBJ_CHANGE); @@ -1343,7 +1343,7 @@ static int nbd_start_device_ioctl(struct nbd_device *nbd, struct block_device *b return ret; if (max_part) - set_bit(GD_NEED_PART_SCAN, &nbd->disk->state); + set_bit(BDEV_NEED_PART_SCAN, &bdev->bd_flags); mutex_unlock(&nbd->config_lock); ret = wait_event_interruptible(config->recv_wq, atomic_read(&config->recv_threads) == 0); @@ -1524,9 +1524,9 @@ static int nbd_open(struct block_device *bdev, fmode_t mode) refcount_set(&nbd->config_refs, 1); refcount_inc(&nbd->refs); mutex_unlock(&nbd->config_lock); - set_bit(GD_NEED_PART_SCAN, &bdev->bd_disk->state); + set_bit(BDEV_NEED_PART_SCAN, &bdev->bd_flags); } else if (nbd_disconnected(nbd->config)) { - set_bit(GD_NEED_PART_SCAN, &bdev->bd_disk->state); + set_bit(BDEV_NEED_PART_SCAN, &bdev->bd_flags); } out: mutex_unlock(&nbd_index_mutex); diff --git a/fs/block_dev.c b/fs/block_dev.c index e255c3b65224d96942d1fd3598c34caf220a270b..f521b7cf907fa9c8c7afe0b8749aa978695786b6 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -922,6 +922,7 @@ struct block_device *bdget(dev_t dev) bdev->bd_inode = inode; bdev->bd_block_size = i_blocksize(inode); bdev->bd_part_count = 0; + bdev->bd_flags = 0; inode->i_mode = S_IFBLK; inode->i_rdev = dev; inode->i_bdev = bdev; @@ -1403,7 +1404,7 @@ static void flush_disk(struct block_device *bdev, bool kill_dirty) "resized disk %s\n", bdev->bd_disk ? bdev->bd_disk->disk_name : ""); } - set_bit(GD_NEED_PART_SCAN, &bdev->bd_disk->state); + set_bit(BDEV_NEED_PART_SCAN, &bdev->bd_flags); } /** @@ -1456,7 +1457,7 @@ int revalidate_disk(struct gendisk *disk) mutex_lock(&bdev->bd_mutex); check_disk_size_change(disk, bdev, ret == 0); - clear_bit(GD_NEED_PART_SCAN, &disk->state); + clear_bit(BDEV_NEED_PART_SCAN, &bdev->bd_flags); mutex_unlock(&bdev->bd_mutex); bdput(bdev); return ret; @@ -1519,7 +1520,7 @@ static void bdev_disk_changed(struct block_device *bdev, bool invalidate) up_read(&disk->lookup_sem); } else { check_disk_size_change(bdev->bd_disk, bdev, !invalidate); - clear_bit(GD_NEED_PART_SCAN, &bdev->bd_disk->state); + clear_bit(BDEV_NEED_PART_SCAN, &bdev->bd_flags); } } @@ -1604,7 +1605,7 @@ static int __blkdev_get(struct block_device *bdev, fmode_t mode, int for_part) * The latter is necessary to prevent ghost * partitions on a removed medium. */ - if (test_bit(GD_NEED_PART_SCAN, &disk->state) && + if (test_bit(BDEV_NEED_PART_SCAN, &bdev->bd_flags) && (!ret || ret == -ENOMEDIUM)) bdev_disk_changed(bdev, ret == -ENOMEDIUM); @@ -1641,7 +1642,7 @@ static int __blkdev_get(struct block_device *bdev, fmode_t mode, int for_part) if (bdev->bd_disk->fops->open) ret = bdev->bd_disk->fops->open(bdev, mode); /* the same as first opener case, read comment there */ - if (test_bit(GD_NEED_PART_SCAN, &disk->state) && + if (test_bit(BDEV_NEED_PART_SCAN, &bdev->bd_flags) && (!ret || ret == -ENOMEDIUM)) bdev_disk_changed(bdev, ret == -ENOMEDIUM); if (ret) diff --git a/include/linux/fs.h b/include/linux/fs.h index 025b98fbab0547bf626fb2ec396abcce525731fe..480936c2d9382284a4397ed34837a4a33a6f48df 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -459,6 +459,8 @@ struct address_space { */ struct request_queue; +#define BDEV_NEED_PART_SCAN 0 + struct block_device { dev_t bd_dev; /* not a kdev_t - it's a search key */ int bd_openers; @@ -479,6 +481,7 @@ struct block_device { struct hd_struct * bd_part; /* number of times partitions within this device have been opened. */ unsigned bd_part_count; + unsigned long bd_flags; struct gendisk * bd_disk; struct request_queue * bd_queue; struct backing_dev_info *bd_bdi; diff --git a/include/linux/genhd.h b/include/linux/genhd.h index f3fc01f0e84cba8f3f8b1bfdb57dad0150f010d3..58a819484fb4f884335cfb80e175add72140988a 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -208,8 +208,6 @@ struct gendisk { void *private_data; int flags; - unsigned long state; -#define GD_NEED_PART_SCAN 0 struct rw_semaphore lookup_sem; struct kobject *slave_dir;