[Qemu-devel] [RFC PATCH 16/17] qemu-io: fix the alloc command

[Paolo Bonzini]

Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
---
 qemu-io.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/qemu-io.c b/qemu-io.c
index bb5f7b8..c1bc053 100644
--- a/qemu-io.c
+++ b/qemu-io.c
@@ -1513,7 +1513,7 @@ out:
 
 static int alloc_f(int argc, char **argv)
 {
-    int64_t offset;
+    int64_t offset, sector_num;
     int nb_sectors, remaining;
     char s1[64];
     int num, sum_alloc;
@@ -1534,8 +1534,10 @@ static int alloc_f(int argc, char **argv)
 
     remaining = nb_sectors;
     sum_alloc = 0;
+    sector_num = offset >> 9;
     while (remaining) {
-        ret = bdrv_is_allocated(bs, offset >> 9, nb_sectors, &num);
+        ret = bdrv_is_allocated(bs, sector_num, remaining, &num);
+        sector_num += num;
         remaining -= num;
         if (ret) {
             sum_alloc += num;
-- 
1.7.7.6