diff options
Diffstat (limited to 'fs/block_dev.c')
| -rw-r--r-- | fs/block_dev.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c index 22ea424ee741..0a793c7930eb 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -1075,7 +1075,7 @@ int revalidate_disk(struct gendisk *disk) if (disk->fops->revalidate_disk) ret = disk->fops->revalidate_disk(disk); - + blk_integrity_revalidate(disk); bdev = bdget_disk(disk, 0); if (!bdev) return ret; @@ -1242,6 +1242,13 @@ static int __blkdev_get(struct block_device *bdev, fmode_t mode, int for_part) goto out_clear; } bd_set_size(bdev, (loff_t)bdev->bd_part->nr_sects << 9); + /* + * If the partition is not aligned on a page + * boundary, we can't do dax I/O to it. + */ + if ((bdev->bd_part->start_sect % (PAGE_SIZE / 512)) || + (bdev->bd_part->nr_sects % (PAGE_SIZE / 512))) + bdev->bd_inode->i_flags &= ~S_DAX; } } else { if (bdev->bd_contains == bdev) { |