diff options
| author | Stephen Boyd <sboyd@codeaurora.org> | 2015-10-02 11:29:54 -0700 |
|---|---|---|
| committer | Stephen Boyd <sboyd@codeaurora.org> | 2015-10-02 11:29:54 -0700 |
| commit | c0d625cbb541ae68ca3c97fb62f5f6093d3382fa (patch) | |
| tree | c67ca474f4fd998829591b50b6f47e58d5b7c8df /fs/block_dev.c | |
| parent | 3b4261dcf65993f95de80a0d63c5299aab922bd8 (diff) | |
| parent | 9f30a04d768f64280dc0c40b730746e82f298d88 (diff) | |
Merge branch 'clk-fixes' into clk-next
* clk-fixes: (3 commits)
clk: ti: dflt: fix enable_reg validity check
clk: ti: fix dual-registration of uart4_ick
clk: ti: clk-7xx: Remove hardwired ABE clock configuration
Diffstat (limited to 'fs/block_dev.c')
| -rw-r--r-- | fs/block_dev.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c index 22ea424ee741..073bb57adab1 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -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) { |