Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6: (577 commits)
  Staging: ramzswap: Handler for swap slot free callback
  swap: Add swap slot free callback to block_device_operations
  swap: Add flag to identify block swap devices
  Staging: vt6655: use ETH_FRAME_LEN macro instead of custom one
  Staging: vt6655: use ETH_DATA_LEN macro instead of custom one
  Staging: vt6655: use ETH_FCS_LEN macro instead of custom one
  Staging: vt6656: use ETH_HLEN macro instead of custom one
  Staging: comedi: quatech_daqp_cs.c Replace eos semaphore with a completion.
  Staging: dt3155v4l: remove private memory allocator
  Staging: crystalhd: Remove typedefs from driver
  Staging: winbond: Fix for pointer name format issue in mds.c
  Staging: vt6656: removed custom UCHAR/USHORT/UINT/ULONG/ULONGLONG typedefs
  Staging: vt6656: removed custom CHAR/SHORT/INT/LONG typedefs
  Staging: comedi: Altered the way printk is used in 8255.c
  staging: iio: adis16350 and similar IMU driver
  Staging: iio: max1363 Fix two bugs in single_channel_from_ring
  Staging: iio: adis16220 extract bin_attribute structures from state
  Staging: iio: adis16220 vibration sensor driver
  Staging: comedi: Kconfig dependancy fixes
  Staging: comedi: fix up build error from last Kconfig changes
  ...

1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index be411c12ebbe..8b7f5e0914ad 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1333,6 +1333,8 @@ struct block_device_operations {
 	void (*unlock_native_capacity) (struct gendisk *);
 	int (*revalidate_disk) (struct gendisk *);
 	int (*getgeo)(struct block_device *, struct hd_geometry *);
+	/* this callback is with swap_lock and sometimes page table lock held */
+	void (*swap_slot_free_notify) (struct block_device *, unsigned long);
 	struct module *owner;
 };