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authorMilan Broz <mbroz@redhat.com>2006-10-03 01:15:36 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-03 08:04:15 -0700
commit8757b7764f13e336f3c0eb1f634440d4ee4c3a67 (patch)
treec91b00ace6ee438a9e447bce311808a698e9d487 /include/linux
parentcc1092019ce3d9b3e85a285b41e852ff94a6b590 (diff)
[PATCH] dm table: add target preresume
This patch adds a target preresume hook. It is called before the targets are resumed and if it returns an error the resume gets cancelled. The crypt target will use this to indicate that it is unable to process I/O because no encryption key has been supplied. Signed-off-by: Milan Broz <mbroz@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/device-mapper.h2
-rw-r--r--include/linux/dm-ioctl.h4
2 files changed, 4 insertions, 2 deletions
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index d44a99650af..8cbc46b8e3d 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -57,6 +57,7 @@ typedef int (*dm_endio_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);
typedef void (*dm_resume_fn) (struct dm_target *ti);
typedef int (*dm_status_fn) (struct dm_target *ti, status_type_t status_type,
@@ -92,6 +93,7 @@ struct target_type {
dm_endio_fn end_io;
dm_presuspend_fn presuspend;
dm_postsuspend_fn postsuspend;
+ dm_preresume_fn preresume;
dm_resume_fn resume;
dm_status_fn status;
dm_message_fn message;
diff --git a/include/linux/dm-ioctl.h b/include/linux/dm-ioctl.h
index b349b768df3..f28b5c87aa6 100644
--- a/include/linux/dm-ioctl.h
+++ b/include/linux/dm-ioctl.h
@@ -285,9 +285,9 @@ 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 8
+#define DM_VERSION_MINOR 9
#define DM_VERSION_PATCHLEVEL 0
-#define DM_VERSION_EXTRA "-ioctl (2006-06-24)"
+#define DM_VERSION_EXTRA "-ioctl (2006-09-14)"
/* Status bits */
#define DM_READONLY_FLAG (1 << 0) /* In/Out */