From 34269870665679912f22b1eb88485dbd58e2bd2d Mon Sep 17 00:00:00 2001
From: Adam Cozzette <acozzette@cs.hmc.edu>
Date: Thu, 13 Oct 2011 15:17:06 -0700
Subject: [PATCH] Adding a more correct trim function prototype to the struct
 of block device operations.

---
 buse.c | 2 +-
 buse.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/buse.c b/buse.c
index f22cf3b..e647371 100644
--- a/buse.c
+++ b/buse.c
@@ -124,7 +124,7 @@ int buse_main(int argc, char *argv[], const struct buse_operations *aop, void *u
                 aop->flush();
                 break;
             case NBD_CMD_TRIM:
-                aop->trim();
+                aop->trim(from, len);
                 break;
             default:
                 assert(0);
diff --git a/buse.h b/buse.h
index 4ed587f..bcf792e 100644
--- a/buse.h
+++ b/buse.h
@@ -8,7 +8,7 @@ struct buse_operations {
     int (*write)(const void *buf, u_int32_t len, u_int64_t offset);
     int (*disc)();
     int (*flush)();
-    int (*trim)();
+    int (*trim)(u_int64_t from, u_int32_t len);
 
     u_int64_t size;
 };