block: Remove unused s->hd in various drivers

All drivers use bs->file instead of s->hd for quite a while now, so it's time
to remove s->hd.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>

diff --git a/block/qcow.c b/block/qcow.c
index 9cd547d..f67d3d3 100644 (file)
--- a/block/qcow.c
+++ b/block/qcow.c
@@ -54,7 +54,6 @@ typedef struct QCowHeader {
 #define L2_CACHE_SIZE 16
 
 typedef struct BDRVQcowState {
-    BlockDriverState *hd;
     int cluster_bits;
     int cluster_size;
     int cluster_sectors;

diff --git a/block/qcow2.h b/block/qcow2.h
index 2d22e5e..5217bea 100644 (file)
--- a/block/qcow2.h
+++ b/block/qcow2.h
@@ -79,7 +79,6 @@ typedef struct QCowSnapshot {
 } QCowSnapshot;
 
 typedef struct BDRVQcowState {
-    BlockDriverState *hd;
     int cluster_bits;
     int cluster_size;
     int cluster_sectors;

diff --git a/block/vdi.c b/block/vdi.c
index 3b51e53..ab8f70f 100644 (file)
--- a/block/vdi.c
+++ b/block/vdi.c
@@ -186,7 +186,6 @@ typedef struct {
 } VdiHeader;
 
 typedef struct {
-    BlockDriverState *hd;
     /* The block map entries are little endian (even in memory). */
     uint32_t *bmap;
     /* Size of block (bytes). */

diff --git a/block/vmdk.c b/block/vmdk.c
index 872aeba..8fc9d67 100644 (file)
--- a/block/vmdk.c
+++ b/block/vmdk.c
@@ -61,7 +61,6 @@ typedef struct {
 #define L2_CACHE_SIZE 16
 
 typedef struct BDRVVmdkState {
-    BlockDriverState *hd;
     int64_t l1_table_offset;
     int64_t l1_backup_table_offset;
     uint32_t *l1_table;

diff --git a/block/vpc.c b/block/vpc.c
index 416f489..21e2a68 100644 (file)
--- a/block/vpc.c
+++ b/block/vpc.c
@@ -110,8 +110,6 @@ struct vhd_dyndisk_header {
 };
 
 typedef struct BDRVVPCState {
-    BlockDriverState *hd;
-
     uint8_t footer_buf[HEADER_SIZE];
     uint64_t free_data_block_offset;
     int max_table_entries;