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authorAl Viro <viro@zeniv.linux.org.uk>2007-08-29 20:34:12 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2008-10-21 07:47:26 -0400
commit633a08b81206122469365b4c72eaeb71f04f2cb4 (patch)
tree9cd30507efd30645d30d351c7ad0d5966f806532 /drivers/md
parenta0eb62a0a4470fef5a5f41e7f1442fdd667220ef (diff)
downloadop-kernel-dev-633a08b81206122469365b4c72eaeb71f04f2cb4.zip
op-kernel-dev-633a08b81206122469365b4c72eaeb71f04f2cb4.tar.gz
[PATCH] introduce __blkdev_driver_ioctl()
Analog of blkdev_driver_ioctl() with sane arguments. For now uses fake struct file, by the end of the series it won't and blkdev_driver_ioctl() will become a wrapper around it. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'drivers/md')
-rw-r--r--drivers/md/dm-linear.c10
-rw-r--r--drivers/md/dm-mpath.c11
2 files changed, 4 insertions, 17 deletions
diff --git a/drivers/md/dm-linear.c b/drivers/md/dm-linear.c
index fa35838..373442b 100644
--- a/drivers/md/dm-linear.c
+++ b/drivers/md/dm-linear.c
@@ -114,15 +114,7 @@ static int linear_ioctl(struct dm_target *ti, unsigned int cmd,
unsigned long arg)
{
struct linear_c *lc = (struct linear_c *) ti->private;
- struct block_device *bdev = lc->dev->bdev;
- struct file fake_file = {};
- struct dentry fake_dentry = {};
-
- fake_file.f_mode = lc->dev->mode;
- fake_file.f_path.dentry = &fake_dentry;
- fake_dentry.d_inode = bdev->bd_inode;
-
- return blkdev_driver_ioctl(bdev->bd_inode, &fake_file, bdev->bd_disk, cmd, arg);
+ return __blkdev_driver_ioctl(lc->dev->bdev, lc->dev->mode, cmd, arg);
}
static int linear_merge(struct dm_target *ti, struct bvec_merge_data *bvm,
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index c681d5e..d85c65a 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -1400,13 +1400,10 @@ static int multipath_ioctl(struct dm_target *ti, unsigned int cmd,
{
struct multipath *m = (struct multipath *) ti->private;
struct block_device *bdev = NULL;
+ fmode_t mode = 0;
unsigned long flags;
- struct file fake_file = {};
- struct dentry fake_dentry = {};
int r = 0;
- fake_file.f_path.dentry = &fake_dentry;
-
spin_lock_irqsave(&m->lock, flags);
if (!m->current_pgpath)
@@ -1414,8 +1411,7 @@ static int multipath_ioctl(struct dm_target *ti, unsigned int cmd,
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;
+ mode = m->current_pgpath->path.dev->mode;
}
if (m->queue_io)
@@ -1425,8 +1421,7 @@ static int multipath_ioctl(struct dm_target *ti, unsigned int cmd,
spin_unlock_irqrestore(&m->lock, flags);
- return r ? : blkdev_driver_ioctl(bdev->bd_inode, &fake_file,
- bdev->bd_disk, cmd, arg);
+ return r ? : __blkdev_driver_ioctl(bdev, mode, cmd, arg);
}
/*-----------------------------------------------------------------
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