[PATCH v6 16/33] assertions for blockdev.h global state API

[Emanuele Giuseppe Esposito]

Signed-off-by: Emanuele Giuseppe Esposito <eespo...@redhat.com>
Reviewed-by: Paolo Bonzini <pbonz...@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefa...@redhat.com>
---
 block/block-backend.c |  3 +++
 blockdev.c            | 16 ++++++++++++++++
 2 files changed, 19 insertions(+)

diff --git a/block/block-backend.c b/block/block-backend.c
index fe56cc1cf4..048ba83f37 100644
--- a/block/block-backend.c
+++ b/block/block-backend.c
@@ -797,6 +797,7 @@ bool bdrv_is_root_node(BlockDriverState *bs)
  */
 DriveInfo *blk_legacy_dinfo(BlockBackend *blk)
 {
+    assert(qemu_in_main_thread());
     return blk->legacy_dinfo;
 }
 
@@ -808,6 +809,7 @@ DriveInfo *blk_legacy_dinfo(BlockBackend *blk)
 DriveInfo *blk_set_legacy_dinfo(BlockBackend *blk, DriveInfo *dinfo)
 {
     assert(!blk->legacy_dinfo);
+    assert(qemu_in_main_thread());
     return blk->legacy_dinfo = dinfo;
 }
 
@@ -818,6 +820,7 @@ DriveInfo *blk_set_legacy_dinfo(BlockBackend *blk, 
DriveInfo *dinfo)
 BlockBackend *blk_by_legacy_dinfo(DriveInfo *dinfo)
 {
     BlockBackend *blk = NULL;
+    assert(qemu_in_main_thread());
 
     while ((blk = blk_next(blk)) != NULL) {
         if (blk->legacy_dinfo == dinfo) {
diff --git a/blockdev.c b/blockdev.c
index 1bd4bfb3fb..800e95ba54 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -113,6 +113,8 @@ void override_max_devs(BlockInterfaceType type, int 
max_devs)
     BlockBackend *blk;
     DriveInfo *dinfo;
 
+    assert(qemu_in_main_thread());
+
     if (max_devs <= 0) {
         return;
     }
@@ -142,6 +144,8 @@ void blockdev_mark_auto_del(BlockBackend *blk)
     DriveInfo *dinfo = blk_legacy_dinfo(blk);
     BlockJob *job;
 
+    assert(qemu_in_main_thread());
+
     if (!dinfo) {
         return;
     }
@@ -163,6 +167,7 @@ void blockdev_mark_auto_del(BlockBackend *blk)
 void blockdev_auto_del(BlockBackend *blk)
 {
     DriveInfo *dinfo = blk_legacy_dinfo(blk);
+    assert(qemu_in_main_thread());
 
     if (dinfo && dinfo->auto_del) {
         monitor_remove_blk(blk);
@@ -187,6 +192,8 @@ QemuOpts *drive_add(BlockInterfaceType type, int index, 
const char *file,
 {
     QemuOpts *opts;
 
+    assert(qemu_in_main_thread());
+
     opts = qemu_opts_parse_noisily(qemu_find_opts("drive"), optstr, false);
     if (!opts) {
         return NULL;
@@ -207,6 +214,8 @@ DriveInfo *drive_get(BlockInterfaceType type, int bus, int 
unit)
     BlockBackend *blk;
     DriveInfo *dinfo;
 
+    assert(qemu_in_main_thread());
+
     for (blk = blk_next(NULL); blk; blk = blk_next(blk)) {
         dinfo = blk_legacy_dinfo(blk);
         if (dinfo && dinfo->type == type
@@ -229,6 +238,8 @@ void drive_check_orphaned(void)
     Location loc;
     bool orphans = false;
 
+    assert(qemu_in_main_thread());
+
     for (blk = blk_next(NULL); blk; blk = blk_next(blk)) {
         dinfo = blk_legacy_dinfo(blk);
         /*
@@ -262,6 +273,7 @@ void drive_check_orphaned(void)
 
 DriveInfo *drive_get_by_index(BlockInterfaceType type, int index)
 {
+    assert(qemu_in_main_thread());
     return drive_get(type,
                      drive_index_to_bus_id(type, index),
                      drive_index_to_unit_id(type, index));
@@ -273,6 +285,8 @@ int drive_get_max_bus(BlockInterfaceType type)
     BlockBackend *blk;
     DriveInfo *dinfo;
 
+    assert(qemu_in_main_thread());
+
     max_bus = -1;
     for (blk = blk_next(NULL); blk; blk = blk_next(blk)) {
         dinfo = blk_legacy_dinfo(blk);
@@ -759,6 +773,8 @@ DriveInfo *drive_new(QemuOpts *all_opts, BlockInterfaceType 
block_default_type,
     const char *filename;
     int i;
 
+    assert(qemu_in_main_thread());
+
     /* Change legacy command line options into QMP ones */
     static const struct {
         const char *from;
-- 
2.31.1