[Qemu-stable] [PATCH 22/53] vmdk: Use vmdk_find_index_in_cluster everywhere

[Michael Roth]

From: Fam Zheng <address@hidden>

Signed-off-by: Fam Zheng <address@hidden>
Reviewed-by: Max Reitz <address@hidden>
Signed-off-by: Kevin Wolf <address@hidden>
(cherry picked from commit 90df601f06de14f062d2e8dc1bc57f0decf86fd1)
Signed-off-by: Michael Roth <address@hidden>
---
 block/vmdk.c | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/block/vmdk.c b/block/vmdk.c
index 49a332d..4c71cde 100644
--- a/block/vmdk.c
+++ b/block/vmdk.c
@@ -1424,7 +1424,6 @@ static int vmdk_read(BlockDriverState *bs, int64_t 
sector_num,
     BDRVVmdkState *s = bs->opaque;
     int ret;
     uint64_t n, index_in_cluster;
-    uint64_t extent_begin_sector, extent_relative_sector_num;
     VmdkExtent *extent = NULL;
     uint64_t cluster_offset;
 
@@ -1436,9 +1435,7 @@ static int vmdk_read(BlockDriverState *bs, int64_t 
sector_num,
         ret = get_cluster_offset(bs, extent, NULL,
                                  sector_num << 9, false, &cluster_offset,
                                  0, 0);
-        extent_begin_sector = extent->end_sector - extent->sectors;
-        extent_relative_sector_num = sector_num - extent_begin_sector;
-        index_in_cluster = extent_relative_sector_num % 
extent->cluster_sectors;
+        index_in_cluster = vmdk_find_index_in_cluster(extent, sector_num);
         n = extent->cluster_sectors - index_in_cluster;
         if (n > nb_sectors) {
             n = nb_sectors;
@@ -1500,7 +1497,6 @@ static int vmdk_write(BlockDriverState *bs, int64_t 
sector_num,
     VmdkExtent *extent = NULL;
     int ret;
     int64_t index_in_cluster, n;
-    uint64_t extent_begin_sector, extent_relative_sector_num;
     uint64_t cluster_offset;
     VmdkMetaData m_data;
 
@@ -1516,9 +1512,7 @@ static int vmdk_write(BlockDriverState *bs, int64_t 
sector_num,
         if (!extent) {
             return -EIO;
         }
-        extent_begin_sector = extent->end_sector - extent->sectors;
-        extent_relative_sector_num = sector_num - extent_begin_sector;
-        index_in_cluster = extent_relative_sector_num % 
extent->cluster_sectors;
+        index_in_cluster = vmdk_find_index_in_cluster(extent, sector_num);
         n = extent->cluster_sectors - index_in_cluster;
         if (n > nb_sectors) {
             n = nb_sectors;
-- 
1.9.1