[Bluetooth] Code cleanup of the drivers source code

[pandora-kernel.git] / block / ioctl.c

diff --git a/block/ioctl.c b/block/ioctl.c
index 35fdb7d..309760b 100644 (file)
--- a/block/ioctl.c
+++ b/block/ioctl.c
@@ -5,6 +5,7 @@
 #include <linux/backing-dev.h>
 #include <linux/buffer_head.h>
 #include <linux/smp_lock.h>
+#include <linux/blktrace_api.h>
 #include <asm/uaccess.h>
 
 static int blkpg_ioctl(struct block_device *bdev, struct blkpg_ioctl_arg __user *arg)
@@ -71,7 +72,7 @@ static int blkpg_ioctl(struct block_device *bdev, struct blkpg_ioctl_arg __user
                        bdevp = bdget_disk(disk, part);
                        if (!bdevp)
                                return -ENOMEM;
-                       mutex_lock(&bdevp->bd_mutex);
+                       mutex_lock_nested(&bdevp->bd_mutex, BD_MUTEX_PARTITION);
                        if (bdevp->bd_openers) {
                                mutex_unlock(&bdevp->bd_mutex);
                                bdput(bdevp);
@@ -81,7 +82,7 @@ static int blkpg_ioctl(struct block_device *bdev, struct blkpg_ioctl_arg __user
                        fsync_bdev(bdevp);
                        invalidate_bdev(bdevp, 0);
 
-                       mutex_lock(&bdev->bd_mutex);
+                       mutex_lock_nested(&bdev->bd_mutex, BD_MUTEX_WHOLE);
                        delete_partition(disk, part);
                        mutex_unlock(&bdev->bd_mutex);
                        mutex_unlock(&bdevp->bd_mutex);
@@ -189,6 +190,11 @@ static int blkdev_locked_ioctl(struct file *file, struct block_device *bdev,
                return put_ulong(arg, bdev->bd_inode->i_size >> 9);
        case BLKGETSIZE64:
                return put_u64(arg, bdev->bd_inode->i_size);
+       case BLKTRACESTART:
+       case BLKTRACESTOP:
+       case BLKTRACESETUP:
+       case BLKTRACETEARDOWN:
+               return blk_trace_ioctl(bdev, cmd, (char __user *) arg);
        }
        return -ENOIOCTLCMD;
 }