Merge tag 'for-4.17/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git...

[linux-2.6-microblaze.git] / include / linux / device-mapper.h

diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index 4384433..31fef7c 100644 (file)
--- 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)
@@ -266,6 +266,12 @@ 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.