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Diffstat (limited to 'include/linux/device-mapper.h')
-rw-r--r--include/linux/device-mapper.h12
1 files changed, 9 insertions, 3 deletions
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index 4384433b50e7..31fef7c34185 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -87,10 +87,10 @@ typedef void (*dm_resume_fn) (struct dm_target *ti);
typedef void (*dm_status_fn) (struct dm_target *ti, status_type_t status_type,
unsigned status_flags, char *result, unsigned maxlen);
-typedef int (*dm_message_fn) (struct dm_target *ti, unsigned argc, char **argv);
+typedef int (*dm_message_fn) (struct dm_target *ti, unsigned argc, char **argv,
+ char *result, unsigned maxlen);
-typedef int (*dm_prepare_ioctl_fn) (struct dm_target *ti,
- struct block_device **bdev, fmode_t *mode);
+typedef int (*dm_prepare_ioctl_fn) (struct dm_target *ti, struct block_device **bdev);
/*
* These iteration functions are typically used to check (and combine)
@@ -267,6 +267,12 @@ struct dm_target {
unsigned num_discard_bios;
/*
+ * The number of secure erase bios that will be submitted to the target.
+ * The bio number can be accessed with dm_bio_get_target_bio_nr.
+ */
+ unsigned num_secure_erase_bios;
+
+ /*
* The number of WRITE SAME bios that will be submitted to the target.
* The bio number can be accessed with dm_bio_get_target_bio_nr.
*/