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Stefan Hajnoczi fc4e394b28 block: remove unused BLOCK_OP_TYPE_DATAPLANE ... BLOCK_OP_TYPE_DATAPLANE prevents BlockDriverState from being used by virtio-blk/virtio-scsi with IOThread. Commit b112a65c52 ("block: declare blockjobs and dataplane friends!") eliminated the main reason for this blocker in 2014. Nowadays the block layer supports I/O from multiple AioContexts, so there is even less reason to block IOThread users. Any legitimate reasons related to interference would probably also apply to non-IOThread users. The only remaining users are bdrv_op_unblock(BLOCK_OP_TYPE_DATAPLANE) calls after bdrv_op_block_all(). If we remove BLOCK_OP_TYPE_DATAPLANE their behavior doesn't change. Existing bdrv_op_block_all() callers that don't explicitly unblock BLOCK_OP_TYPE_DATAPLANE seem to do so simply because no one bothered to rather than because it is necessary to keep BLOCK_OP_TYPE_DATAPLANE blocked. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Message-ID: <20250203182529.269066-1-stefanha@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>		2 weeks ago
..
Kconfig	hw/scsi: Introduce VHOST_SCSI_COMMON symbol in Kconfig	2 years ago
emulation.c	scsi-generic: avoid invalid access to struct when emulating block limits	6 years ago
esp-pci.c	hw: Use device_class_set_legacy_reset() instead of opencoding	5 months ago
esp.c	hw: Use device_class_set_legacy_reset() instead of opencoding	5 months ago
lsi53c895a.c	include: Rename sysemu/ -> system/	2 months ago
megasas.c	Accel & Exec patch queue	2 months ago
meson.build	hw/virtio: Build various target-agnostic objects just once	2 years ago
mfi.h	hw/other: spelling fixes	1 year ago
mpi.h	…
mptconfig.c	nomaintainer: Fix Lesser GPL version number	4 years ago
mptendian.c	include: Rename sysemu/ -> system/	2 months ago
mptsas.c	Accel & Exec patch queue	2 months ago
mptsas.h	include/hw/pci: Split pci_device.h off pci.h	2 years ago
scsi-bus.c	Accel & Exec patch queue	2 months ago
scsi-disk.c	Accel & Exec patch queue	2 months ago
scsi-generic.c	Accel & Exec patch queue	2 months ago
spapr_vscsi.c	include/hw/qdev-properties: Remove DEFINE_PROP_END_OF_LIST	2 months ago
srp.h	…
trace-events	hw/scsi/lsi53c895a: add timer to scripts processing	12 months ago
trace.h	trace: switch position of headers to what Meson requires	5 years ago
vhost-scsi-common.c	vhost-user-scsi: support reconnect to backend	1 year ago
vhost-scsi.c	Accel & Exec patch queue	2 months ago
vhost-user-scsi.c	Accel & Exec patch queue	2 months ago
viosrp.h	Updated the FSF address to <https://www.gnu.org/licenses/>	2 years ago
virtio-scsi-dataplane.c	include: Rename sysemu/ -> system/	2 months ago
virtio-scsi.c	block: remove unused BLOCK_OP_TYPE_DATAPLANE	2 weeks ago
vmw_pvscsi.c	include/hw/qdev-properties: Remove DEFINE_PROP_END_OF_LIST	2 months ago
vmw_pvscsi.h	…