Merge tag 'for-upstream' of https://repo.or.cz/qemu/kevin into staging

Block layer patches

- Allow concurrent BB context changes
- virtio: Re-enable notifications after drain
- virtio-blk: Fix missing use of irqfd
- scsi: Don't ignore most usb-storage properties
- blkio: Respect memory-alignment for bounce buffer allocations
- iotests tmpdir fixes
- virtio-blk: Code cleanups

# -----BEGIN PGP SIGNATURE-----
#
# iQJFBAABCAAvFiEE3D3rFZqa+V09dFb+fwmycsiPL9YFAmXEkwgRHGt3b2xmQHJl
# ZGhhdC5jb20ACgkQfwmycsiPL9Y3jA//TmSBVqHljauyImYOgCt8qCXACttV0xhQ
# Q5ldUNx/JmIFMoUR7OlpVAL2MtvdwE0jjY+sDlEmWtz4IFJcCsCTUCHZZb8blreb
# +mnMkqrQ6Nb3tPR2jeIknrXqNy1ffyjZItktjWXVcl6jaHB8YabHHqszs9DIaf4n
# lcKovBKxula8ckMgvm48wCwTtS7VEPeuC5FrOqUqTtuhg+QKp5ZVoyVFHtf6GKTD
# iuXzCd4yxu4fDKAthJJj4N1bQaOmCKU7K9N/665wj9P2TyfmwlBAfNwNAlYbdX1E
# Sv7eSioQs2+oUxmfD/PUsF7wTYtDCrSAUFn1kP/XdRyXPJR3dHGiBKV9w9CaWNrU
# y8rqOhxVcuoBLRljTF32BK4HniAREjRngtpT2FnQQIyedZrXIwyTAWjs+LW12T6O
# NMiU603Nl9ZYhO1et2+qspsVpNIfEpQWpK+OCon6E+ggj1ea+pfqU30VPx4JU05I
# VLiydluIbehSkRlTHgFcTgApmx843OGW7CvWfRyen86Cexgx3DEjJUQ4/bYqaCha
# yLIi91rToSDmtlzJrg9eYiMs5Y6vz+ORvvX5im1RlbUUb7Kx/LaA4BU/uArEbBt8
# xXm/grO4hFUGqtLgd2LIjWaHSsLoW4jKeEiExFUUfvH5DG9Zl5HmzFwu+DYxX+im
# MJLLetDJAWI=
# =8tc0
# -----END PGP SIGNATURE-----
# gpg: Signature made Thu 08 Feb 2024 08:38:32 GMT
# gpg:                using RSA key DC3DEB159A9AF95D3D7456FE7F09B272C88F2FD6
# gpg:                issuer "kwolf@redhat.com"
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" [full]
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74  56FE 7F09 B272 C88F 2FD6

* tag 'for-upstream' of https://repo.or.cz/qemu/kevin:
  virtio-blk: avoid using ioeventfd state in irqfd conditional
  virtio-blk: Use ioeventfd_attach in start_ioeventfd
  virtio: Re-enable notifications after drain
  virtio-scsi: Attach event vq notifier with no_poll
  blkio: Respect memory-alignment for bounce buffer allocations
  scsi: Don't ignore most usb-storage properties
  virtio-blk: do not use C99 mixed declarations
  iotests: give tempdir an identifying name
  iotests: fix leak of tmpdir in dry-run mode
  scsi: Await request purging
  block-backend: Allow concurrent context changes
  monitor: use aio_co_reschedule_self()
  virtio-blk: declare VirtIOBlock::rq with a type
  virtio-blk: add vq_rq[] bounds check in virtio_blk_dma_restart_cb()
  virtio-blk: clarify that there is at least 1 virtqueue
  virtio-blk: enforce iothread-vq-mapping validation

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

3 files changed, 8 insertions, 6 deletions

diff --git a/include/block/aio.h b/include/block/aio.h
index 5d0a114..8378553 100644
--- a/include/block/aio.h
+++ b/include/block/aio.h
@@ -480,9 +480,14 @@ void aio_set_event_notifier(AioContext *ctx,
                             AioPollFn *io_poll,
                             EventNotifierHandler *io_poll_ready);
 
-/* Set polling begin/end callbacks for an event notifier that has already been
+/*
+ * Set polling begin/end callbacks for an event notifier that has already been
  * registered with aio_set_event_notifier.  Do nothing if the event notifier is
  * not registered.
+ *
+ * Note that if the io_poll_end() callback (or the entire notifier) is removed
+ * during polling, it will not be called, so an io_poll_begin() is not
+ * necessarily always followed by an io_poll_end().
  */
 void aio_set_event_notifier_poll(AioContext *ctx,
                                  EventNotifier *notifier,
diff --git a/include/hw/scsi/scsi.h b/include/hw/scsi/scsi.h
index 10c4e82..c3d5e17 100644
--- a/include/hw/scsi/scsi.h
+++ b/include/hw/scsi/scsi.h
@@ -199,10 +199,7 @@ static inline SCSIBus *scsi_bus_from_device(SCSIDevice *d)
 }
 
 SCSIDevice *scsi_bus_legacy_add_drive(SCSIBus *bus, BlockBackend *blk,
-                                      int unit, bool removable, int bootindex,
-                                      bool share_rw,
-                                      BlockdevOnError rerror,
-                                      BlockdevOnError werror,
+                                      int unit, bool removable, BlockConf *conf,
                                       const char *serial, Error **errp);
 void scsi_bus_set_ua(SCSIBus *bus, SCSISense sense);
 void scsi_bus_legacy_handle_cmdline(SCSIBus *bus);
diff --git a/include/hw/virtio/virtio-blk.h b/include/hw/virtio/virtio-blk.h
index 833a9a3..5c14110 100644
--- a/include/hw/virtio/virtio-blk.h
+++ b/include/hw/virtio/virtio-blk.h
@@ -55,7 +55,7 @@ struct VirtIOBlock {
     VirtIODevice parent_obj;
     BlockBackend *blk;
     QemuMutex rq_lock;
-    void *rq; /* protected by rq_lock */
+    struct VirtIOBlockReq *rq; /* protected by rq_lock */
     VirtIOBlkConf conf;
     unsigned short sector_mask;
     bool original_wce;