diff options
Diffstat (limited to 'drivers/md/dm-mpath.c')
| -rw-r--r-- | drivers/md/dm-mpath.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c index dcfbf830964..fb9582ae6b2 100644 --- a/drivers/md/dm-mpath.c +++ b/drivers/md/dm-mpath.c @@ -1273,15 +1273,22 @@ static int multipath_ioctl(struct dm_target *ti, struct inode *inode, struct multipath *m = (struct multipath *) ti->private; struct block_device *bdev = NULL; unsigned long flags; + struct file fake_file = {}; + struct dentry fake_dentry = {}; int r = 0; + fake_file.f_dentry = &fake_dentry; + spin_lock_irqsave(&m->lock, flags); if (!m->current_pgpath) __choose_pgpath(m); - if (m->current_pgpath) + if (m->current_pgpath) { bdev = m->current_pgpath->path.dev->bdev; + fake_dentry.d_inode = bdev->bd_inode; + fake_file.f_mode = m->current_pgpath->path.dev->mode; + } if (m->queue_io) r = -EAGAIN; @@ -1290,8 +1297,8 @@ static int multipath_ioctl(struct dm_target *ti, struct inode *inode, spin_unlock_irqrestore(&m->lock, flags); - return r ? : blkdev_driver_ioctl(bdev->bd_inode, filp, bdev->bd_disk, - cmd, arg); + return r ? : blkdev_driver_ioctl(bdev->bd_inode, &fake_file, + bdev->bd_disk, cmd, arg); } /*----------------------------------------------------------------- |