[01/28] block: Add options QDict to .bdrv_open()

diff --git a/block.c b/block.c
index 124a9eb..01cee87 100644
--- a/block.c
+++ b/block.c
@@ -710,7 +710,7 @@  static int bdrv_open_common(BlockDriverState *bs, BlockDriverState *file,
     } else {
         assert(file != NULL);
         bs->file = file;
-        ret = drv->bdrv_open(bs, open_flags);
+        ret = drv->bdrv_open(bs, NULL, open_flags);
     }
 
     if (ret < 0) {
@@ -3190,7 +3190,7 @@  int bdrv_snapshot_goto(BlockDriverState *bs,
     if (bs->file) {
         drv->bdrv_close(bs);
         ret = bdrv_snapshot_goto(bs->file, snapshot_id);
-        open_ret = drv->bdrv_open(bs, bs->open_flags);
+        open_ret = drv->bdrv_open(bs, NULL, bs->open_flags);
         if (open_ret < 0) {
             bdrv_delete(bs->file);
             bs->drv = NULL;
diff --git a/block/bochs.c b/block/bochs.c
index a6eb33d..d7078c0 100644
--- a/block/bochs.c
+++ b/block/bochs.c
@@ -108,7 +108,7 @@  static int bochs_probe(const uint8_t *buf, int buf_size, const char *filename)
     return 0;
 }
 
-static int bochs_open(BlockDriverState *bs, int flags)
+static int bochs_open(BlockDriverState *bs, QDict *options, int flags)
 {
     BDRVBochsState *s = bs->opaque;
     int i;
diff --git a/block/cloop.c b/block/cloop.c
index 8fe13e9..6ea7cf4 100644
--- a/block/cloop.c
+++ b/block/cloop.c
@@ -53,7 +53,7 @@  static int cloop_probe(const uint8_t *buf, int buf_size, const char *filename)
     return 0;
 }
 
-static int cloop_open(BlockDriverState *bs, int flags)
+static int cloop_open(BlockDriverState *bs, QDict *options, int flags)
 {
     BDRVCloopState *s = bs->opaque;
     uint32_t offsets_size, max_compressed_block_size = 1, i;
diff --git a/block/cow.c b/block/cow.c
index 4baf904..d73e08c 100644
--- a/block/cow.c
+++ b/block/cow.c
@@ -58,7 +58,7 @@  static int cow_probe(const uint8_t *buf, int buf_size, const char *filename)
         return 0;
 }
 
-static int cow_open(BlockDriverState *bs, int flags)
+static int cow_open(BlockDriverState *bs, QDict *options, int flags)
 {
     BDRVCowState *s = bs->opaque;
     struct cow_header_v2 cow_header;
diff --git a/block/dmg.c b/block/dmg.c
index 6d85801..c1066df 100644
--- a/block/dmg.c
+++ b/block/dmg.c
@@ -85,7 +85,7 @@  static int read_uint32(BlockDriverState *bs, int64_t offset, uint32_t *result)
     return 0;
 }
 
-static int dmg_open(BlockDriverState *bs, int flags)
+static int dmg_open(BlockDriverState *bs, QDict *options, int flags)
 {
     BDRVDMGState *s = bs->opaque;
     uint64_t info_begin,info_end,last_in_offset,last_out_offset;
diff --git a/block/parallels.c b/block/parallels.c
index 8688f6c..18b3ac0 100644
--- a/block/parallels.c
+++ b/block/parallels.c
@@ -68,7 +68,7 @@  static int parallels_probe(const uint8_t *buf, int buf_size, const char *filenam
     return 0;
 }
 
-static int parallels_open(BlockDriverState *bs, int flags)
+static int parallels_open(BlockDriverState *bs, QDict *options, int flags)
 {
     BDRVParallelsState *s = bs->opaque;
     int i;
diff --git a/block/qcow.c b/block/qcow.c
index a7135ee..f6750a5 100644
--- a/block/qcow.c
+++ b/block/qcow.c
@@ -92,7 +92,7 @@  static int qcow_probe(const uint8_t *buf, int buf_size, const char *filename)
         return 0;
 }
 
-static int qcow_open(BlockDriverState *bs, int flags)
+static int qcow_open(BlockDriverState *bs, QDict *options, int flags)
 {
     BDRVQcowState *s = bs->opaque;
     int len, i, shift, ret;
diff --git a/block/qcow2.c b/block/qcow2.c
index 7610e56..4c501a5 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -285,7 +285,7 @@  static int qcow2_check(BlockDriverState *bs, BdrvCheckResult *result,
     return ret;
 }
 
-static int qcow2_open(BlockDriverState *bs, int flags)
+static int qcow2_open(BlockDriverState *bs, QDict *options, int flags)
 {
     BDRVQcowState *s = bs->opaque;
     int len, i, ret = 0;
@@ -912,7 +912,7 @@  static void qcow2_invalidate_cache(BlockDriverState *bs)
     qcow2_close(bs);
 
     memset(s, 0, sizeof(BDRVQcowState));
-    qcow2_open(bs, flags);
+    qcow2_open(bs, NULL, flags);
 
     if (crypt_method) {
         s->crypt_method = crypt_method;
diff --git a/block/qed.c b/block/qed.c
index b8515e5..46e12b3 100644
--- a/block/qed.c
+++ b/block/qed.c
@@ -373,7 +373,7 @@  static void bdrv_qed_rebind(BlockDriverState *bs)
     s->bs = bs;
 }
 
-static int bdrv_qed_open(BlockDriverState *bs, int flags)
+static int bdrv_qed_open(BlockDriverState *bs, QDict *options, int flags)
 {
     BDRVQEDState *s = bs->opaque;
     QEDHeader le_header;
@@ -1526,7 +1526,7 @@  static void bdrv_qed_invalidate_cache(BlockDriverState *bs)
 
     bdrv_qed_close(bs);
     memset(s, 0, sizeof(BDRVQEDState));
-    bdrv_qed_open(bs, bs->open_flags);
+    bdrv_qed_open(bs, NULL, bs->open_flags);
 }
 
 static int bdrv_qed_check(BlockDriverState *bs, BdrvCheckResult *result,
diff --git a/block/raw.c b/block/raw.c
index 75812db..ce10422 100644
--- a/block/raw.c
+++ b/block/raw.c
@@ -3,7 +3,7 @@ 
 #include "block/block_int.h"
 #include "qemu/module.h"
 
-static int raw_open(BlockDriverState *bs, int flags)
+static int raw_open(BlockDriverState *bs, QDict *options, int flags)
 {
     bs->sg = bs->file->sg;
     return 0;
diff --git a/block/vdi.c b/block/vdi.c
index 87c691b..2662d89 100644
--- a/block/vdi.c
+++ b/block/vdi.c
@@ -364,7 +364,7 @@  static int vdi_probe(const uint8_t *buf, int buf_size, const char *filename)
     return result;
 }
 
-static int vdi_open(BlockDriverState *bs, int flags)
+static int vdi_open(BlockDriverState *bs, QDict *options, int flags)
 {
     BDRVVdiState *s = bs->opaque;
     VdiHeader header;
diff --git a/block/vmdk.c b/block/vmdk.c
index aef1abc..4a13fa6 100644
--- a/block/vmdk.c
+++ b/block/vmdk.c
@@ -723,7 +723,7 @@  static int vmdk_open_desc_file(BlockDriverState *bs, int flags,
     return vmdk_parse_extents(buf, bs, bs->file->filename);
 }
 
-static int vmdk_open(BlockDriverState *bs, int flags)
+static int vmdk_open(BlockDriverState *bs, QDict *options, int flags)
 {
     int ret;
     BDRVVmdkState *s = bs->opaque;
diff --git a/block/vpc.c b/block/vpc.c
index 82229ef..3cad52e 100644
--- a/block/vpc.c
+++ b/block/vpc.c
@@ -155,7 +155,7 @@  static int vpc_probe(const uint8_t *buf, int buf_size, const char *filename)
     return 0;
 }
 
-static int vpc_open(BlockDriverState *bs, int flags)
+static int vpc_open(BlockDriverState *bs, QDict *options, int flags)
 {
     BDRVVPCState *s = bs->opaque;
     int i;
diff --git a/include/block/block_int.h b/include/block/block_int.h
index eaad53e..4b659fa 100644
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -82,7 +82,7 @@  struct BlockDriver {
     void (*bdrv_reopen_commit)(BDRVReopenState *reopen_state);
     void (*bdrv_reopen_abort)(BDRVReopenState *reopen_state);
 
-    int (*bdrv_open)(BlockDriverState *bs, int flags);
+    int (*bdrv_open)(BlockDriverState *bs, QDict *options, int flags);
     int (*bdrv_file_open)(BlockDriverState *bs, const char *filename, int flags);
     int (*bdrv_read)(BlockDriverState *bs, int64_t sector_num,
                      uint8_t *buf, int nb_sectors);