diff options
Diffstat (limited to 'fs/block_dev.c')
| -rw-r--r-- | fs/block_dev.c | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c index 0f7552a87d54..749f5984425d 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * linux/fs/block_dev.c * @@ -1405,20 +1406,27 @@ void check_disk_size_change(struct gendisk *disk, struct block_device *bdev, */ int revalidate_disk(struct gendisk *disk) { - struct block_device *bdev; int ret = 0; if (disk->fops->revalidate_disk) ret = disk->fops->revalidate_disk(disk); - bdev = bdget_disk(disk, 0); - if (!bdev) - return ret; - mutex_lock(&bdev->bd_mutex); - check_disk_size_change(disk, bdev, ret == 0); - bdev->bd_invalidated = 0; - mutex_unlock(&bdev->bd_mutex); - bdput(bdev); + /* + * Hidden disks don't have associated bdev so there's no point in + * revalidating it. + */ + if (!(disk->flags & GENHD_FL_HIDDEN)) { + struct block_device *bdev = bdget_disk(disk, 0); + + if (!bdev) + return ret; + + mutex_lock(&bdev->bd_mutex); + check_disk_size_change(disk, bdev, ret == 0); + bdev->bd_invalidated = 0; + mutex_unlock(&bdev->bd_mutex); + bdput(bdev); + } return ret; } EXPORT_SYMBOL(revalidate_disk); |