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authorDan Williams <dan.j.williams@intel.com>2009-09-08 17:55:21 -0700
committerDan Williams <dan.j.williams@intel.com>2009-09-08 17:55:21 -0700
commitbbb20089a3275a19e475dbc21320c3742e3ca423 (patch)
tree216fdc1cbef450ca688135c5b8969169482d9a48 /include/linux/dm-ioctl.h
parent3e48e656903e9fd8bc805c6a2c4264d7808d315b (diff)
parent657a77fa7284d8ae28dfa48f1dc5d919bf5b2843 (diff)
Merge branch 'dmaengine' into async-tx-next
Conflicts: crypto/async_tx/async_xor.c drivers/dma/ioat/dma_v2.h drivers/dma/ioat/pci.c drivers/md/raid5.c
Diffstat (limited to 'include/linux/dm-ioctl.h')
-rw-r--r--include/linux/dm-ioctl.h14
1 files changed, 12 insertions, 2 deletions
diff --git a/include/linux/dm-ioctl.h b/include/linux/dm-ioctl.h
index 48e44ee2b46..2ab84c83c31 100644
--- a/include/linux/dm-ioctl.h
+++ b/include/linux/dm-ioctl.h
@@ -123,6 +123,16 @@ struct dm_ioctl {
__u32 target_count; /* in/out */
__s32 open_count; /* out */
__u32 flags; /* in/out */
+
+ /*
+ * event_nr holds either the event number (input and output) or the
+ * udev cookie value (input only).
+ * The DM_DEV_WAIT ioctl takes an event number as input.
+ * The DM_SUSPEND, DM_DEV_REMOVE and DM_DEV_RENAME ioctls
+ * use the field as a cookie to return in the DM_COOKIE
+ * variable with the uevents they issue.
+ * For output, the ioctls return the event number, not the cookie.
+ */
__u32 event_nr; /* in/out */
__u32 padding;
@@ -256,9 +266,9 @@ enum {
#define DM_DEV_SET_GEOMETRY _IOWR(DM_IOCTL, DM_DEV_SET_GEOMETRY_CMD, struct dm_ioctl)
#define DM_VERSION_MAJOR 4
-#define DM_VERSION_MINOR 14
+#define DM_VERSION_MINOR 15
#define DM_VERSION_PATCHLEVEL 0
-#define DM_VERSION_EXTRA "-ioctl (2008-04-23)"
+#define DM_VERSION_EXTRA "-ioctl (2009-04-01)"
/* Status bits */
#define DM_READONLY_FLAG (1 << 0) /* In/Out */