Re: [PULL 21/50] block/block-backend.c: assertions for block-backend

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Re: [PULL 21/50] block/block-backend.c: assertions for block-backend

From:	Philippe Mathieu-Daudé
Subject:	Re: [PULL 21/50] block/block-backend.c: assertions for block-backend
Date:	Wed, 16 Mar 2022 13:44:48 +0100
User-agent:	Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:91.0) Gecko/20100101 Thunderbird/91.7.0

Hi,

On 4/3/22 17:46, Kevin Wolf wrote:

From: Emanuele Giuseppe Esposito <eesposit@redhat.com>

All the global state (GS) API functions will check that
qemu_in_main_thread() returns true. If not, it means
that the safety of BQL cannot be guaranteed, and
they need to be moved to I/O.


I'm getting this crash:

$ qemu-system-i386

Assertion failed: (qemu_in_main_thread()), function blk_all_next, fileblock-backend.c, line 552.

Abort trap: 6

Assertion failed: (qemu_in_main_thread()), function blk_all_next, fileblock-backend.c, line 552.qemu-system-i386 was compiled with optimization - stepping may behaveoddly; variables may not be available.

Process 76914 stopped

* thread #1, queue = 'com.apple.main-thread', stop reason = hit programassertframe #4: 0x000000010057c2d4 qemu-system-i386`blk_all_next.cold.1at block-backend.c:552:5 [opt]

   549    */
   550   BlockBackend *blk_all_next(BlockBackend *blk)
   551   {
-> 552       GLOBAL_STATE_CODE();
   553       return blk ? QTAILQ_NEXT(blk, link)
   554                  : QTAILQ_FIRST(&block_backends);
   555   }
Target 1: (qemu-system-i386) stopped.

Bisected to this patch:

0439c5a4623d674efa0c72abd62ca6e98bb7cf87 is the first bad commit

Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Message-Id: <20220303151616.325444-9-eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
  block/block-backend.c  | 78 ++++++++++++++++++++++++++++++++++++++++++
  softmmu/qdev-monitor.c |  2 ++
  2 files changed, 80 insertions(+)

diff --git a/block/block-backend.c b/block/block-backend.c
index 462e18facf..4476b61b8b 100644
--- a/block/block-backend.c
+++ b/block/block-backend.c
@@ -239,6 +239,7 @@ static void blk_root_activate(BdrvChild *child, Error 
**errp)

void blk_set_force_allow_inactivate(BlockBackend *blk)

  {
+    GLOBAL_STATE_CODE();
      blk->force_allow_inactivate = true;
  }

@@ -357,6 +358,8 @@ BlockBackend *blk_new(AioContext *ctx, uint64_t perm, uint64_t shared_perm)

  {
      BlockBackend *blk;

+ GLOBAL_STATE_CODE();

+
      blk = g_new0(BlockBackend, 1);
      blk->refcnt = 1;
      blk->ctx = ctx;
@@ -394,6 +397,8 @@ BlockBackend *blk_new_with_bs(BlockDriverState *bs, 
uint64_t perm,
  {
      BlockBackend *blk = blk_new(bdrv_get_aio_context(bs), perm, shared_perm);

+ GLOBAL_STATE_CODE();

+
      if (blk_insert_bs(blk, bs, errp) < 0) {
          blk_unref(blk);
          return NULL;
@@ -422,6 +427,8 @@ BlockBackend *blk_new_open(const char *filename, const char 
*reference,
      uint64_t perm = 0;
      uint64_t shared = BLK_PERM_ALL;

+ GLOBAL_STATE_CODE();

+
      /*
       * blk_new_open() is mainly used in .bdrv_create implementations and the
       * tools where sharing isn't a major concern because the BDS stays private
@@ -499,6 +506,7 @@ static void drive_info_del(DriveInfo *dinfo)

int blk_get_refcnt(BlockBackend *blk)

  {
+    GLOBAL_STATE_CODE();
      return blk ? blk->refcnt : 0;
  }

@@ -509,6 +517,7 @@ int blk_get_refcnt(BlockBackend *blk)

  void blk_ref(BlockBackend *blk)
  {
      assert(blk->refcnt > 0);
+    GLOBAL_STATE_CODE();
      blk->refcnt++;
  }

@@ -519,6 +528,7 @@ void blk_ref(BlockBackend *blk)

   */
  void blk_unref(BlockBackend *blk)
  {
+    GLOBAL_STATE_CODE();
      if (blk) {
          assert(blk->refcnt > 0);
          if (blk->refcnt > 1) {
@@ -539,6 +549,7 @@ void blk_unref(BlockBackend *blk)
   */
  BlockBackend *blk_all_next(BlockBackend *blk)
  {
+    GLOBAL_STATE_CODE();
      return blk ? QTAILQ_NEXT(blk, link)
                 : QTAILQ_FIRST(&block_backends);
  }
@@ -547,6 +558,8 @@ void blk_remove_all_bs(void)
  {
      BlockBackend *blk = NULL;

+ GLOBAL_STATE_CODE();

+
      while ((blk = blk_all_next(blk)) != NULL) {
          AioContext *ctx = blk_get_aio_context(blk);

@@ -570,6 +583,7 @@ void blk_remove_all_bs(void)

   */
  BlockBackend *blk_next(BlockBackend *blk)
  {
+    GLOBAL_STATE_CODE();
      return blk ? QTAILQ_NEXT(blk, monitor_link)
                 : QTAILQ_FIRST(&monitor_block_backends);
  }
@@ -636,6 +650,7 @@ static void bdrv_next_reset(BdrvNextIterator *it)

BlockDriverState *bdrv_first(BdrvNextIterator *it)

  {
+    GLOBAL_STATE_CODE();
      bdrv_next_reset(it);
      return bdrv_next(it);
  }
@@ -673,6 +688,7 @@ bool monitor_add_blk(BlockBackend *blk, const char *name, 
Error **errp)
  {
      assert(!blk->name);
      assert(name && name[0]);
+    GLOBAL_STATE_CODE();

if (!id_wellformed(name)) {

          error_setg(errp, "Invalid device name");
@@ -700,6 +716,8 @@ bool monitor_add_blk(BlockBackend *blk, const char *name, 
Error **errp)
   */
  void monitor_remove_blk(BlockBackend *blk)
  {
+    GLOBAL_STATE_CODE();
+
      if (!blk->name) {
          return;
      }
@@ -726,6 +744,7 @@ BlockBackend *blk_by_name(const char *name)
  {
      BlockBackend *blk = NULL;

+ GLOBAL_STATE_CODE();

      assert(name);
      while ((blk = blk_next(blk)) != NULL) {
          if (!strcmp(name, blk->name)) {
@@ -760,6 +779,7 @@ static BlockBackend *bdrv_first_blk(BlockDriverState *bs)
   */
  bool bdrv_has_blk(BlockDriverState *bs)
  {
+    GLOBAL_STATE_CODE();
      return bdrv_first_blk(bs) != NULL;
  }

@@ -770,6 +790,7 @@ bool bdrv_is_root_node(BlockDriverState *bs)

  {
      BdrvChild *c;

+ GLOBAL_STATE_CODE();

      QLIST_FOREACH(c, &bs->parents, next_parent) {
          if (c->klass != &child_root) {
              return false;
@@ -819,6 +840,7 @@ BlockBackend *blk_by_legacy_dinfo(DriveInfo *dinfo)
   */
  BlockBackendPublic *blk_get_public(BlockBackend *blk)
  {
+    GLOBAL_STATE_CODE();
      return &blk->public;
  }

@@ -827,6 +849,7 @@ BlockBackendPublic *blk_get_public(BlockBackend *blk)

   */
  BlockBackend *blk_by_public(BlockBackendPublic *public)
  {
+    GLOBAL_STATE_CODE();
      return container_of(public, BlockBackend, public);
  }

@@ -838,6 +861,8 @@ void blk_remove_bs(BlockBackend *blk)

      ThrottleGroupMember *tgm = &blk->public.throttle_group_member;
      BdrvChild *root;

+ GLOBAL_STATE_CODE();

+
      notifier_list_notify(&blk->remove_bs_notifiers, blk);
      if (tgm->throttle_state) {
          BlockDriverState *bs = blk_bs(blk);
@@ -872,6 +897,7 @@ void blk_remove_bs(BlockBackend *blk)
  int blk_insert_bs(BlockBackend *blk, BlockDriverState *bs, Error **errp)
  {
      ThrottleGroupMember *tgm = &blk->public.throttle_group_member;
+    GLOBAL_STATE_CODE();
      bdrv_ref(bs);
      blk->root = bdrv_root_attach_child(bs, "root", &child_root,
                                         BDRV_CHILD_FILTERED | 
BDRV_CHILD_PRIMARY,
@@ -895,6 +921,7 @@ int blk_insert_bs(BlockBackend *blk, BlockDriverState *bs, 
Error **errp)
   */
  int blk_replace_bs(BlockBackend *blk, BlockDriverState *new_bs, Error **errp)
  {
+    GLOBAL_STATE_CODE();
      return bdrv_replace_child_bs(blk->root, new_bs, errp);
  }

@@ -905,6 +932,7 @@ int blk_set_perm(BlockBackend *blk, uint64_t perm, uint64_t shared_perm,

                   Error **errp)
  {
      int ret;
+    GLOBAL_STATE_CODE();

if (blk->root && !blk->disable_perm) {

          ret = bdrv_child_try_set_perm(blk->root, perm, shared_perm, errp);
@@ -921,6 +949,7 @@ int blk_set_perm(BlockBackend *blk, uint64_t perm, uint64_t 
shared_perm,

void blk_get_perm(BlockBackend *blk, uint64_t *perm, uint64_t *shared_perm)

  {
+    GLOBAL_STATE_CODE();
      *perm = blk->perm;
      *shared_perm = blk->shared_perm;
  }
@@ -931,6 +960,7 @@ void blk_get_perm(BlockBackend *blk, uint64_t *perm, 
uint64_t *shared_perm)
   */
  int blk_attach_dev(BlockBackend *blk, DeviceState *dev)
  {
+    GLOBAL_STATE_CODE();
      if (blk->dev) {
          return -EBUSY;
      }
@@ -956,6 +986,7 @@ int blk_attach_dev(BlockBackend *blk, DeviceState *dev)
  void blk_detach_dev(BlockBackend *blk, DeviceState *dev)
  {
      assert(blk->dev == dev);
+    GLOBAL_STATE_CODE();
      blk->dev = NULL;
      blk->dev_ops = NULL;
      blk->dev_opaque = NULL;
@@ -969,6 +1000,7 @@ void blk_detach_dev(BlockBackend *blk, DeviceState *dev)
   */
  DeviceState *blk_get_attached_dev(BlockBackend *blk)
  {
+    GLOBAL_STATE_CODE();
      return blk->dev;
  }

@@ -997,6 +1029,8 @@ BlockBackend *blk_by_dev(void *dev)

  {
      BlockBackend *blk = NULL;

+ GLOBAL_STATE_CODE();

+
      assert(dev != NULL);
      while ((blk = blk_all_next(blk)) != NULL) {
          if (blk->dev == dev) {
@@ -1014,6 +1048,7 @@ BlockBackend *blk_by_dev(void *dev)
  void blk_set_dev_ops(BlockBackend *blk, const BlockDevOps *ops,
                       void *opaque)
  {
+    GLOBAL_STATE_CODE();
      blk->dev_ops = ops;
      blk->dev_opaque = opaque;

@@ -1035,6 +1070,7 @@ void blk_set_dev_ops(BlockBackend *blk, const BlockDevOps *ops,

   */
  void blk_dev_change_media_cb(BlockBackend *blk, bool load, Error **errp)
  {
+    GLOBAL_STATE_CODE();
      if (blk->dev_ops && blk->dev_ops->change_media_cb) {
          bool tray_was_open, tray_is_open;
          Error *local_err = NULL;
@@ -1126,6 +1162,7 @@ static void blk_root_resize(BdrvChild *child)

void blk_iostatus_enable(BlockBackend *blk)

  {
+    GLOBAL_STATE_CODE();
      blk->iostatus_enabled = true;
      blk->iostatus = BLOCK_DEVICE_IO_STATUS_OK;
  }
@@ -1142,16 +1179,19 @@ bool blk_iostatus_is_enabled(const BlockBackend *blk)

BlockDeviceIoStatus blk_iostatus(const BlockBackend *blk)

  {
+    GLOBAL_STATE_CODE();
      return blk->iostatus;
  }

void blk_iostatus_disable(BlockBackend *blk)

  {
+    GLOBAL_STATE_CODE();
      blk->iostatus_enabled = false;
  }

void blk_iostatus_reset(BlockBackend *blk)

  {
+    GLOBAL_STATE_CODE();
      if (blk_iostatus_is_enabled(blk)) {
          blk->iostatus = BLOCK_DEVICE_IO_STATUS_OK;
      }
@@ -1358,6 +1398,7 @@ int blk_pwrite_zeroes(BlockBackend *blk, int64_t offset,

int blk_make_zero(BlockBackend *blk, BdrvRequestFlags flags)

  {
+    GLOBAL_STATE_CODE();
      return bdrv_make_zero(blk->root, flags);
  }

@@ -1567,6 +1608,7 @@ BlockAIOCB *blk_aio_pwritev(BlockBackend *blk, int64_t offset,void blk_aio_cancel(BlockAIOCB *acb)

  {
+    GLOBAL_STATE_CODE();
      bdrv_aio_cancel(acb);
  }

@@ -1723,6 +1765,7 @@ int blk_flush(BlockBackend *blk)

  void blk_drain(BlockBackend *blk)
  {
      BlockDriverState *bs = blk_bs(blk);
+    GLOBAL_STATE_CODE();

if (bs) {

          bdrv_ref(bs);
@@ -1743,6 +1786,8 @@ void blk_drain_all(void)
  {
      BlockBackend *blk = NULL;

+ GLOBAL_STATE_CODE();

+
      bdrv_drain_all_begin();

while ((blk = blk_all_next(blk)) != NULL) {

@@ -1762,6 +1807,7 @@ void blk_drain_all(void)
  void blk_set_on_error(BlockBackend *blk, BlockdevOnError on_read_error,
                        BlockdevOnError on_write_error)
  {
+    GLOBAL_STATE_CODE();
      blk->on_read_error = on_read_error;
      blk->on_write_error = on_write_error;
  }
@@ -1845,6 +1891,7 @@ void blk_error_action(BlockBackend *blk, BlockErrorAction 
action,
  bool blk_supports_write_perm(BlockBackend *blk)
  {
      BlockDriverState *bs = blk_bs(blk);
+    GLOBAL_STATE_CODE();

if (bs) {

          return !bdrv_is_read_only(bs);
@@ -1865,6 +1912,7 @@ bool blk_is_writable(BlockBackend *blk)
  bool blk_is_sg(BlockBackend *blk)
  {
      BlockDriverState *bs = blk_bs(blk);
+    GLOBAL_STATE_CODE();

if (!bs) {

          return false;
@@ -1880,12 +1928,14 @@ bool blk_enable_write_cache(BlockBackend *blk)

void blk_set_enable_write_cache(BlockBackend *blk, bool wce)

  {
+    GLOBAL_STATE_CODE();
      blk->enable_write_cache = wce;
  }

void blk_activate(BlockBackend *blk, Error **errp)

  {
      BlockDriverState *bs = blk_bs(blk);
+    GLOBAL_STATE_CODE();

if (!bs) {

          error_setg(errp, "Device '%s' has no medium", blk->name);
@@ -1936,6 +1986,7 @@ void blk_eject(BlockBackend *blk, bool eject_flag)
  int blk_get_flags(BlockBackend *blk)
  {
      BlockDriverState *bs = blk_bs(blk);
+    GLOBAL_STATE_CODE();

if (bs) {

          return bdrv_get_flags(bs);
@@ -2005,6 +2056,7 @@ void *blk_blockalign(BlockBackend *blk, size_t size)
  bool blk_op_is_blocked(BlockBackend *blk, BlockOpType op, Error **errp)
  {
      BlockDriverState *bs = blk_bs(blk);
+    GLOBAL_STATE_CODE();

if (!bs) {

          return false;
@@ -2016,6 +2068,7 @@ bool blk_op_is_blocked(BlockBackend *blk, BlockOpType op, 
Error **errp)
  void blk_op_unblock(BlockBackend *blk, BlockOpType op, Error *reason)
  {
      BlockDriverState *bs = blk_bs(blk);
+    GLOBAL_STATE_CODE();

if (bs) {

          bdrv_op_unblock(bs, op, reason);
@@ -2025,6 +2078,7 @@ void blk_op_unblock(BlockBackend *blk, BlockOpType op, 
Error *reason)
  void blk_op_block_all(BlockBackend *blk, Error *reason)
  {
      BlockDriverState *bs = blk_bs(blk);
+    GLOBAL_STATE_CODE();

if (bs) {

          bdrv_op_block_all(bs, reason);
@@ -2034,6 +2088,7 @@ void blk_op_block_all(BlockBackend *blk, Error *reason)
  void blk_op_unblock_all(BlockBackend *blk, Error *reason)
  {
      BlockDriverState *bs = blk_bs(blk);
+    GLOBAL_STATE_CODE();

if (bs) {

          bdrv_op_unblock_all(bs, reason);
@@ -2093,6 +2148,7 @@ static int blk_do_set_aio_context(BlockBackend *blk, 
AioContext *new_context,
  int blk_set_aio_context(BlockBackend *blk, AioContext *new_context,
                          Error **errp)
  {
+    GLOBAL_STATE_CODE();
      return blk_do_set_aio_context(blk, new_context, true, errp);
  }

@@ -2129,6 +2185,7 @@ void blk_add_aio_context_notifier(BlockBackend *blk,

  {
      BlockBackendAioNotifier *notifier;
      BlockDriverState *bs = blk_bs(blk);
+    GLOBAL_STATE_CODE();

notifier = g_new(BlockBackendAioNotifier, 1);

      notifier->attached_aio_context = attached_aio_context;
@@ -2151,6 +2208,8 @@ void blk_remove_aio_context_notifier(BlockBackend *blk,
      BlockBackendAioNotifier *notifier;
      BlockDriverState *bs = blk_bs(blk);

+ GLOBAL_STATE_CODE();

+
      if (bs) {
          bdrv_remove_aio_context_notifier(bs, attached_aio_context,
                                           detach_aio_context, opaque);
@@ -2171,11 +2230,13 @@ void blk_remove_aio_context_notifier(BlockBackend *blk,

void blk_add_remove_bs_notifier(BlockBackend *blk, Notifier *notify)

  {
+    GLOBAL_STATE_CODE();
      notifier_list_add(&blk->remove_bs_notifiers, notify);
  }

void blk_add_insert_bs_notifier(BlockBackend *blk, Notifier *notify)

  {
+    GLOBAL_STATE_CODE();
      notifier_list_add(&blk->insert_bs_notifiers, notify);
  }

@@ -2238,6 +2299,7 @@ int blk_save_vmstate(BlockBackend *blk, const uint8_t *buf,

                       int64_t pos, int size)
  {
      int ret;
+    GLOBAL_STATE_CODE();

if (!blk_is_available(blk)) {

          return -ENOMEDIUM;
@@ -2257,6 +2319,7 @@ int blk_save_vmstate(BlockBackend *blk, const uint8_t 
*buf,

int blk_load_vmstate(BlockBackend *blk, uint8_t *buf, int64_t pos, int size)

  {
+    GLOBAL_STATE_CODE();
      if (!blk_is_available(blk)) {
          return -ENOMEDIUM;
      }
@@ -2266,6 +2329,7 @@ int blk_load_vmstate(BlockBackend *blk, uint8_t *buf, 
int64_t pos, int size)

int blk_probe_blocksizes(BlockBackend *blk, BlockSizes *bsz)

  {
+    GLOBAL_STATE_CODE();
      if (!blk_is_available(blk)) {
          return -ENOMEDIUM;
      }
@@ -2275,6 +2339,7 @@ int blk_probe_blocksizes(BlockBackend *blk, BlockSizes 
*bsz)

int blk_probe_geometry(BlockBackend *blk, HDGeometry *geo)

  {
+    GLOBAL_STATE_CODE();
      if (!blk_is_available(blk)) {
          return -ENOMEDIUM;
      }
@@ -2288,6 +2353,7 @@ int blk_probe_geometry(BlockBackend *blk, HDGeometry *geo)
   */
  void blk_update_root_state(BlockBackend *blk)
  {
+    GLOBAL_STATE_CODE();
      assert(blk->root);

blk->root_state.open_flags = blk->root->bs->open_flags;

@@ -2300,6 +2366,7 @@ void blk_update_root_state(BlockBackend *blk)
   */
  bool blk_get_detect_zeroes_from_root_state(BlockBackend *blk)
  {
+    GLOBAL_STATE_CODE();
      return blk->root_state.detect_zeroes;
  }

@@ -2309,17 +2376,20 @@ bool blk_get_detect_zeroes_from_root_state(BlockBackend *blk)

   */
  int blk_get_open_flags_from_root_state(BlockBackend *blk)
  {
+    GLOBAL_STATE_CODE();
      return blk->root_state.open_flags;
  }

BlockBackendRootState *blk_get_root_state(BlockBackend *blk)

  {
+    GLOBAL_STATE_CODE();
      return &blk->root_state;
  }

int blk_commit_all(void)

  {
      BlockBackend *blk = NULL;
+    GLOBAL_STATE_CODE();

while ((blk = blk_all_next(blk)) != NULL) {

          AioContext *aio_context = blk_get_aio_context(blk);
@@ -2344,6 +2414,7 @@ int blk_commit_all(void)
  /* throttling disk I/O limits */
  void blk_set_io_limits(BlockBackend *blk, ThrottleConfig *cfg)
  {
+    GLOBAL_STATE_CODE();
      throttle_group_config(&blk->public.throttle_group_member, cfg);
  }

@@ -2352,6 +2423,7 @@ void blk_io_limits_disable(BlockBackend *blk)

      BlockDriverState *bs = blk_bs(blk);
      ThrottleGroupMember *tgm = &blk->public.throttle_group_member;
      assert(tgm->throttle_state);
+    GLOBAL_STATE_CODE();
      if (bs) {
          bdrv_ref(bs);
          bdrv_drained_begin(bs);
@@ -2367,12 +2439,14 @@ void blk_io_limits_disable(BlockBackend *blk)
  void blk_io_limits_enable(BlockBackend *blk, const char *group)
  {
      assert(!blk->public.throttle_group_member.throttle_state);
+    GLOBAL_STATE_CODE();
      throttle_group_register_tgm(&blk->public.throttle_group_member,
                                  group, blk_get_aio_context(blk));
  }

void blk_io_limits_update_group(BlockBackend *blk, const char *group)

  {
+    GLOBAL_STATE_CODE();
      /* this BB is not part of any group */
      if (!blk->public.throttle_group_member.throttle_state) {
          return;
@@ -2440,11 +2514,13 @@ static void blk_root_drained_end(BdrvChild *child, int 
*drained_end_counter)

void blk_register_buf(BlockBackend *blk, void *host, size_t size)

  {
+    GLOBAL_STATE_CODE();
      bdrv_register_buf(blk_bs(blk), host, size);
  }

void blk_unregister_buf(BlockBackend *blk, void *host)

  {
+    GLOBAL_STATE_CODE();
      bdrv_unregister_buf(blk_bs(blk), host);
  }

@@ -2469,11 +2545,13 @@ int coroutine_fn blk_co_copy_range(BlockBackend *blk_in, int64_t off_in,const BdrvChild *blk_root(BlockBackend *blk)

  {
+    GLOBAL_STATE_CODE();
      return blk->root;
  }

int blk_make_empty(BlockBackend *blk, Error **errp)

  {
+    GLOBAL_STATE_CODE();
      if (!blk_is_available(blk)) {
          error_setg(errp, "No medium inserted");
          return -ENOMEDIUM;
diff --git a/softmmu/qdev-monitor.c b/softmmu/qdev-monitor.c
index 01f3834db5..ff14af8396 100644
--- a/softmmu/qdev-monitor.c
+++ b/softmmu/qdev-monitor.c
@@ -971,6 +971,8 @@ BlockBackend *blk_by_qdev_id(const char *id, Error **errp)
      DeviceState *dev;
      BlockBackend *blk;

+ GLOBAL_STATE_CODE();

+
      dev = find_device_state(id, errp);
      if (dev == NULL) {
          return NULL;

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[PULL 02/50] crypto: distinguish between main loop and I/O in block_crypto_amend_options_generic_luks, (continued)
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- [PULL 32/50] assertions for blockjob.h global state API, Kevin Wolf, 2022/03/04
- [PULL 18/50] IO_CODE and IO_OR_GS_CODE for block I/O API, Kevin Wolf, 2022/03/04
- [PULL 35/50] include/block/snapshot: global state API + assertions, Kevin Wolf, 2022/03/04
- [PULL 33/50] include/sysemu/blockdev.h: global state API, Kevin Wolf, 2022/03/04
- [PULL 34/50] assertions for blockdev.h global state API, Kevin Wolf, 2022/03/04
- [PULL 21/50] block/block-backend.c: assertions for block-backend, Kevin Wolf, 2022/03/04
  - Re: [PULL 21/50] block/block-backend.c: assertions for block-backend, Philippe Mathieu-Daudé <=
    - Re: [PULL 21/50] block/block-backend.c: assertions for block-backend, Philippe Mathieu-Daudé, 2022/03/16
    - Re: [PULL 21/50] block/block-backend.c: assertions for block-backend, Emanuele Giuseppe Esposito, 2022/03/16
    - Re: [PULL 21/50] block/block-backend.c: assertions for block-backend, Philippe Mathieu-Daudé, 2022/03/16
    - Re: [PULL 21/50] block/block-backend.c: assertions for block-backend, Kevin Wolf, 2022/03/16
    - Re: [PULL 21/50] block/block-backend.c: assertions for block-backend, Emanuele Giuseppe Esposito, 2022/03/16
- [PULL 23/50] block.c: assertions to the block layer permissions API, Kevin Wolf, 2022/03/04
- [PULL 22/50] IO_CODE and IO_OR_GS_CODE for block-backend I/O API, Kevin Wolf, 2022/03/04
- [PULL 25/50] assertions for block_int global state API, Kevin Wolf, 2022/03/04
- [PULL 24/50] include/block/block_int: split header into I/O and global state API, Kevin Wolf, 2022/03/04
- [PULL 26/50] IO_CODE and IO_OR_GS_CODE for block_int I/O API, Kevin Wolf, 2022/03/04

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