diff options
Diffstat (limited to 'fs/block_dev.c')
| -rw-r--r-- | fs/block_dev.c | 27 |
1 files changed, 9 insertions, 18 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c index 16cea865268e..e65efa2f267a 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -1203,7 +1203,6 @@ static int __blkdev_get(struct block_device *bdev, fmode_t mode, int for_part) if (!bdev->bd_part) goto out_clear; - ret = 0; if (disk->fops->open) { ret = disk->fops->open(bdev, mode); if (ret == -ERESTARTSYS) { @@ -1219,18 +1218,9 @@ static int __blkdev_get(struct block_device *bdev, fmode_t mode, int for_part) mutex_unlock(&bdev->bd_mutex); goto restart; } + if (ret) + goto out_clear; } - /* - * If the device is invalidated, rescan partition - * if open succeeded or failed with -ENOMEDIUM. - * The latter is necessary to prevent ghost - * partitions on a removed medium. - */ - if (bdev->bd_invalidated && (!ret || ret == -ENOMEDIUM)) - rescan_partitions(disk, bdev); - if (ret) - goto out_clear; - if (!bdev->bd_openers) { bd_set_size(bdev,(loff_t)get_capacity(disk)<<9); bdi = blk_get_backing_dev_info(bdev); @@ -1238,6 +1228,8 @@ static int __blkdev_get(struct block_device *bdev, fmode_t mode, int for_part) bdi = &default_backing_dev_info; bdev->bd_inode->i_data.backing_dev_info = bdi; } + if (bdev->bd_invalidated) + rescan_partitions(disk, bdev); } else { struct block_device *whole; whole = bdget_disk(disk, 0); @@ -1264,14 +1256,13 @@ static int __blkdev_get(struct block_device *bdev, fmode_t mode, int for_part) put_disk(disk); disk = NULL; if (bdev->bd_contains == bdev) { - ret = 0; - if (bdev->bd_disk->fops->open) + if (bdev->bd_disk->fops->open) { ret = bdev->bd_disk->fops->open(bdev, mode); - /* the same as first opener case, read comment there */ - if (bdev->bd_invalidated && (!ret || ret == -ENOMEDIUM)) + if (ret) + goto out_unlock_bdev; + } + if (bdev->bd_invalidated) rescan_partitions(bdev->bd_disk, bdev); - if (ret) - goto out_unlock_bdev; } } bdev->bd_openers++; |