diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-06-03 13:53:20 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-06-03 13:53:20 +0200 |
| commit | 888dc273ea4e7ca332a6f73d10dfc8f2b212c803 (patch) | |
| tree | 0c2154dfa92ca6ee761c358e58a3e35831558bb5 /fs/block_dev.c | |
| parent | 324e8f5f5d9d4d0b9a608b2fdb88cd93b0fbb12a (diff) | |
| parent | f2c7c76c5d0a443053e94adb9f0918fa2fb85c3a (diff) | |
Merge 5.2-rc3 into tty-next
We want the tty/serial fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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); |