Signed-off-by: Diego Woitasen <diego@xxxxxxxxxxxxxxx>
---
drivers/md/dm.c | 10 ++++------
1 files changed, 4 insertions(+), 6 deletions(-)
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 141ff9f..aebb207 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -282,17 +282,16 @@ static int dm_blk_getgeo(struct block_device *bdev, struct hd_geometry *geo)
return dm_get_geometry(md, geo);
}
-static int dm_blk_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static long dm_blk_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
struct mapped_device *md;
struct dm_table *map;
struct dm_target *tgt;
+ struct inode *inode;
int r = -ENOTTY;
- /* We don't really need this lock, but we do need 'inode'. */
- unlock_kernel();
+ inode = file->f_path.dentry->d_inode;
md = inode->i_bdev->bd_disk->private_data;
map = dm_get_table(md);
@@ -317,7 +316,6 @@ static int dm_blk_ioctl(struct inode *inode, struct file *file,
out:
dm_table_put(map);
- lock_kernel();
return r;
}
@@ -1550,7 +1548,7 @@ EXPORT_SYMBOL_GPL(dm_noflush_suspending);
static struct block_device_operations dm_blk_dops = {
.open = dm_blk_open,
.release = dm_blk_close,
- .ioctl = dm_blk_ioctl,
+ .unlocked_ioctl = dm_blk_ioctl,
.getgeo = dm_blk_getgeo,
.owner = THIS_MODULE
};
--
1.5.2.4
--
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