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authorLinus Torvalds <torvalds@linux-foundation.org>2010-05-21 15:26:46 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-05-21 15:26:46 -0700
commitd79df0b1eda0099a22cbcece01ce5e7d222450de (patch)
treeeb9c938fa5faf285fb091d7446508a32229ceea4 /include
parent6e80e8ed5eb92d0112674aabe82951266a6a1051 (diff)
parentc8d1a126924fcbc1d61ceb830226e0c7afdcc841 (diff)
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 ...
Diffstat (limited to 'include')
-rw-r--r--include/linux/blkdev.h2
-rw-r--r--include/linux/swap.h1
2 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index be411c12ebb..8b7f5e0914a 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;
};
diff --git a/include/linux/swap.h b/include/linux/swap.h
index 1f59d9340c4..ec2b7a42b45 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -146,6 +146,7 @@ enum {
SWP_DISCARDING = (1 << 3), /* now discarding a free cluster */
SWP_SOLIDSTATE = (1 << 4), /* blkdev seeks are cheap */
SWP_CONTINUED = (1 << 5), /* swap_map has count continuation */
+ SWP_BLKDEV = (1 << 6), /* its a block device */
/* add others here before... */
SWP_SCANNING = (1 << 8), /* refcount in scan_swap_map */
};