diff options
Diffstat (limited to 'fs/block_dev.c')
| -rw-r--r-- | fs/block_dev.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c index 2ea189c1b4ff..6516051807b8 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -123,12 +123,21 @@ int truncate_bdev_range(struct block_device *bdev, fmode_t mode, err = bd_prepare_to_claim(bdev, claimed_bdev, truncate_bdev_range); if (err) - return err; + goto invalidate; } truncate_inode_pages_range(bdev->bd_inode->i_mapping, lstart, lend); if (claimed_bdev) bd_abort_claiming(bdev, claimed_bdev, truncate_bdev_range); return 0; + +invalidate: + /* + * Someone else has handle exclusively open. Try invalidating instead. + * The 'end' argument is inclusive so the rounding is safe. + */ + return invalidate_inode_pages2_range(bdev->bd_inode->i_mapping, + lstart >> PAGE_SHIFT, + lend >> PAGE_SHIFT); } EXPORT_SYMBOL(truncate_bdev_range); @@ -1395,13 +1404,13 @@ int bdev_disk_changed(struct block_device *bdev, bool invalidate) lockdep_assert_held(&bdev->bd_mutex); - clear_bit(GD_NEED_PART_SCAN, &bdev->bd_disk->state); - rescan: ret = blk_drop_partitions(bdev); if (ret) return ret; + clear_bit(GD_NEED_PART_SCAN, &disk->state); + /* * Historically we only set the capacity to zero for devices that * support partitions (independ of actually having partitions created). |