diff options
| author | David S. Miller <davem@davemloft.net> | 2015-09-26 16:08:27 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-09-26 16:08:27 -0700 |
| commit | 4963ed48f2c20196d51a447ee87dc2815584fee4 (patch) | |
| tree | a1902f466dafa00453889a4f1e66b00249ce0529 /fs/block_dev.c | |
| parent | 4d54d86546f62c7c4a0fe3b36a64c5e3b98ce1a9 (diff) | |
| parent | 518a7cb6980cd640c7f979d29021ad870f60d7d7 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
net/ipv4/arp.c
The net/ipv4/arp.c conflict was one commit adding a new
local variable while another commit was deleting one.
Signed-off-by: David S. Miller <davem@davemloft.net>
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) { |