From 999d816851c3e080412a19558f111d01852d2f04 Mon Sep 17 00:00:00 2001 From: Bryn Reeves Date: Tue, 3 Oct 2006 01:15:43 -0700 Subject: [PATCH] dm table: add target flush This patch adds support for a per-target dm_flush_fn method. This is needed to allow dm-loop to invalidate page cache mappings in response to BLKFLSBUF ioctl commands. Signed-off-by: Bryn Reeves Signed-off-by: Alasdair G Kergon Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/linux/device-mapper.h | 2 ++ include/linux/dm-ioctl.h | 2 +- 2 files changed, 3 insertions(+), 1 deletion(-) (limited to 'include') diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h index 7a48d428d0a..03ef41c1eaa 100644 --- a/include/linux/device-mapper.h +++ b/include/linux/device-mapper.h @@ -55,6 +55,7 @@ typedef int (*dm_endio_fn) (struct dm_target *ti, struct bio *bio, int error, union map_info *map_context); +typedef void (*dm_flush_fn) (struct dm_target *ti); typedef void (*dm_presuspend_fn) (struct dm_target *ti); typedef void (*dm_postsuspend_fn) (struct dm_target *ti); typedef int (*dm_preresume_fn) (struct dm_target *ti); @@ -96,6 +97,7 @@ struct target_type { dm_dtr_fn dtr; dm_map_fn map; dm_endio_fn end_io; + dm_flush_fn flush; dm_presuspend_fn presuspend; dm_postsuspend_fn postsuspend; dm_preresume_fn preresume; diff --git a/include/linux/dm-ioctl.h b/include/linux/dm-ioctl.h index f28b5c87aa6..8853fc4d1c5 100644 --- a/include/linux/dm-ioctl.h +++ b/include/linux/dm-ioctl.h @@ -285,7 +285,7 @@ typedef char ioctl_struct[308]; #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 9 +#define DM_VERSION_MINOR 10 #define DM_VERSION_PATCHLEVEL 0 #define DM_VERSION_EXTRA "-ioctl (2006-09-14)" -- cgit v1.2.3