From: Max Reitz <mreitz@redhat.com>
To: Markus Armbruster <armbru@redhat.com>, qemu-devel@nongnu.org
Cc: kwolf@redhat.com, benoit.canet@nodalink.com, stefanha@redhat.com
Subject: Re: [Qemu-devel] [PATCH v6 16/24] hw: Convert from BlockDriverState to BlockBackend, mostly
Date: Tue, 07 Oct 2014 18:10:04 +0200 [thread overview]
Message-ID: <5434105C.7070205@redhat.com> (raw)
In-Reply-To: <1412683166-4934-17-git-send-email-armbru@redhat.com>
On 07.10.2014 13:59, Markus Armbruster wrote:
> Device models should access their block backends only through the
> block-backend.h API. Convert them, and drop direct includes of
> inappropriate headers.
>
> Just four uses of BlockDriverState are left:
>
> * The Xen paravirtual block device backend (xen_disk.c) opens images
> itself when set up via xenbus, bypassing blockdev.c. I figure it
> should go through qmp_blockdev_add() instead.
>
> * Device model "usb-storage" prompts for keys. No other device model
> does, and this one probably shouldn't do it, either.
>
> * ide_issue_trim_cb() uses bdrv_aio_discard() instead of
> blk_aio_discard() because it fishes its backend out of a BlockAIOCB,
> which has only the BlockDriverState.
>
> * PC87312State has an unused BlockDriverState[] member.
>
> The next two commits take care of the latter two.
>
> Signed-off-by: Markus Armbruster <armbru@redhat.com>
> ---
> block/block-backend.c | 262 +++++++++++++++++++++++++++++++
> blockdev.c | 12 +-
> dma-helpers.c | 61 +++----
> hw/arm/collie.c | 5 +-
> hw/arm/gumstix.c | 5 +-
> hw/arm/highbank.c | 2 +-
> hw/arm/mainstone.c | 2 +-
> hw/arm/musicpal.c | 10 +-
> hw/arm/nseries.c | 3 +-
> hw/arm/omap1.c | 2 +-
> hw/arm/omap2.c | 2 +-
> hw/arm/omap_sx1.c | 5 +-
> hw/arm/pxa2xx.c | 4 +-
> hw/arm/realview.c | 2 +-
> hw/arm/spitz.c | 4 +-
> hw/arm/tosa.c | 3 +-
> hw/arm/versatilepb.c | 3 +-
> hw/arm/vexpress.c | 3 +-
> hw/arm/virt.c | 2 +-
> hw/arm/xilinx_zynq.c | 3 +-
> hw/arm/z2.c | 3 +-
> hw/block/block.c | 7 +-
> hw/block/dataplane/virtio-blk.c | 24 +--
> hw/block/fdc.c | 78 +++++----
> hw/block/hd-geometry.c | 24 +--
> hw/block/m25p80.c | 28 ++--
> hw/block/nand.c | 50 +++---
> hw/block/nvme.c | 19 +--
> hw/block/onenand.c | 67 ++++----
> hw/block/pflash_cfi01.c | 24 +--
> hw/block/pflash_cfi02.c | 24 +--
> hw/block/virtio-blk.c | 95 +++++------
> hw/block/xen_disk.c | 83 +++++-----
> hw/core/qdev-properties-system.c | 26 +--
> hw/core/qdev-properties.c | 2 +-
> hw/cris/axis_dev88.c | 3 +-
> hw/display/tc6393xb.c | 2 +-
> hw/i386/pc.c | 2 +-
> hw/i386/pc_piix.c | 2 +-
> hw/i386/pc_sysfw.c | 9 +-
> hw/i386/xen/xen_platform.c | 5 +-
> hw/ide/ahci.c | 31 ++--
> hw/ide/atapi.c | 33 ++--
> hw/ide/cmd646.c | 2 +-
> hw/ide/core.c | 184 ++++++++++++----------
> hw/ide/ich.c | 2 +-
> hw/ide/internal.h | 6 +-
> hw/ide/isa.c | 2 +-
> hw/ide/macio.c | 50 +++---
> hw/ide/microdrive.c | 4 +-
> hw/ide/mmio.c | 2 +-
> hw/ide/pci.c | 4 +-
> hw/ide/piix.c | 8 +-
> hw/ide/qdev.c | 11 +-
> hw/ide/via.c | 2 +-
> hw/isa/pc87312.c | 4 +-
> hw/lm32/lm32_boards.c | 5 +-
> hw/lm32/milkymist.c | 3 +-
> hw/microblaze/petalogix_ml605_mmu.c | 3 +-
> hw/microblaze/petalogix_s3adsp1800_mmu.c | 3 +-
> hw/mips/mips_fulong2e.c | 2 +-
> hw/mips/mips_jazz.c | 2 +-
> hw/mips/mips_malta.c | 6 +-
> hw/mips/mips_r4k.c | 3 +-
> hw/nvram/spapr_nvram.c | 17 +-
> hw/pci/pci-hotplug-old.c | 5 +-
> hw/ppc/mac_newworld.c | 2 +-
> hw/ppc/mac_oldworld.c | 2 +-
> hw/ppc/ppc405_boards.c | 26 +--
> hw/ppc/prep.c | 2 +-
> hw/ppc/spapr.c | 4 +-
> hw/ppc/virtex_ml507.c | 3 +-
> hw/s390x/s390-virtio-bus.c | 2 +-
> hw/s390x/s390-virtio.c | 2 +-
> hw/s390x/virtio-ccw.c | 2 +-
> hw/scsi/megasas.c | 15 +-
> hw/scsi/scsi-bus.c | 12 +-
> hw/scsi/scsi-disk.c | 182 ++++++++++-----------
> hw/scsi/scsi-generic.c | 35 +++--
> hw/scsi/virtio-scsi-dataplane.c | 3 +-
> hw/scsi/virtio-scsi.c | 15 +-
> hw/sd/milkymist-memcard.c | 8 +-
> hw/sd/omap_mmc.c | 8 +-
> hw/sd/pl181.c | 2 +-
> hw/sd/pxa2xx_mmci.c | 4 +-
> hw/sd/sd.c | 60 +++----
> hw/sd/sdhci.c | 2 +-
> hw/sd/ssi-sd.c | 2 +-
> hw/sh4/r2d.c | 3 +-
> hw/sparc/sun4m.c | 2 +-
> hw/sparc64/sun4u.c | 2 +-
> hw/tpm/tpm_tis.c | 2 +-
> hw/tricore/tricore_testboard.c | 2 +-
> hw/usb/dev-storage.c | 17 +-
> hw/virtio/virtio-pci.c | 2 +-
> hw/xen/xen_devconfig.c | 1 +
> hw/xenpv/xen_machine_pv.c | 2 +-
> hw/xtensa/xtfpga.c | 3 +-
> include/hw/arm/omap.h | 4 +-
> include/hw/arm/pxa.h | 2 +-
> include/hw/block/block.h | 6 +-
> include/hw/block/flash.h | 6 +-
> include/hw/qdev-properties.h | 8 +-
> include/hw/scsi/scsi.h | 4 +-
> include/hw/sd.h | 2 +-
> include/hw/virtio/virtio-blk.h | 7 +-
> include/qemu/typedefs.h | 1 +
> include/sysemu/block-backend.h | 76 +++++++++
> include/sysemu/blockdev.h | 5 +-
> include/sysemu/dma.h | 20 +--
> trace-events | 8 +-
> 111 files changed, 1137 insertions(+), 807 deletions(-)
Reviewed-by: Max Reitz <mreitz@redhat.com>
next prev parent reply other threads:[~2014-10-07 16:13 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-07 11:59 [Qemu-devel] [PATCH v6 00/24] Split BlockBackend off BDS with an axe Markus Armbruster
2014-10-07 11:59 ` [Qemu-devel] [PATCH v6 01/24] block: Split bdrv_new_root() off bdrv_new() Markus Armbruster
2014-10-07 11:59 ` [Qemu-devel] [PATCH v6 02/24] block: New BlockBackend Markus Armbruster
2014-10-07 11:59 ` [Qemu-devel] [PATCH v6 03/24] block: Connect BlockBackend to BlockDriverState Markus Armbruster
2014-10-07 15:51 ` Max Reitz
2014-10-07 11:59 ` [Qemu-devel] [PATCH v6 04/24] block: Connect BlockBackend and DriveInfo Markus Armbruster
2014-10-07 15:59 ` Max Reitz
2014-10-07 11:59 ` [Qemu-devel] [PATCH v6 05/24] block: Code motion to get rid of stubs/blockdev.c Markus Armbruster
2014-10-07 11:59 ` [Qemu-devel] [PATCH v6 06/24] block: Make BlockBackend own its BlockDriverState Markus Armbruster
2014-10-07 11:59 ` [Qemu-devel] [PATCH v6 07/24] blockdev: Eliminate drive_del() Markus Armbruster
2014-10-07 16:04 ` Max Reitz
2014-10-07 11:59 ` [Qemu-devel] [PATCH v6 08/24] block: Eliminate bdrv_iterate(), use bdrv_next() Markus Armbruster
2014-10-07 11:59 ` [Qemu-devel] [PATCH v6 09/24] block: Eliminate BlockDriverState member device_name[] Markus Armbruster
2014-10-07 11:59 ` [Qemu-devel] [PATCH v6 10/24] block: Merge BlockBackend and BlockDriverState name spaces Markus Armbruster
2014-10-07 11:59 ` [Qemu-devel] [PATCH v6 11/24] block: Eliminate DriveInfo member bdrv, use blk_by_legacy_dinfo() Markus Armbruster
2014-10-07 11:59 ` [Qemu-devel] [PATCH v6 12/24] block: Rename BlockDriverAIOCB* to BlockAIOCB* Markus Armbruster
2014-10-07 11:59 ` [Qemu-devel] [PATCH v6 13/24] block: Rename BlockDriverCompletionFunc to BlockCompletionFunc Markus Armbruster
2014-10-07 11:59 ` [Qemu-devel] [PATCH v6 14/24] virtio-blk: Drop redundant VirtIOBlock member conf Markus Armbruster
2014-10-07 11:59 ` [Qemu-devel] [PATCH v6 15/24] virtio-blk: Rename VirtIOBlkConf variables to conf Markus Armbruster
2014-10-07 11:59 ` [Qemu-devel] [PATCH v6 16/24] hw: Convert from BlockDriverState to BlockBackend, mostly Markus Armbruster
2014-10-07 16:10 ` Max Reitz [this message]
2014-10-17 18:31 ` Kevin Wolf
2014-10-20 8:19 ` Markus Armbruster
2014-10-07 11:59 ` [Qemu-devel] [PATCH v6 17/24] ide: Complete conversion from BlockDriverState to BlockBackend Markus Armbruster
2014-10-07 11:59 ` [Qemu-devel] [PATCH v6 18/24] pc87312: Drop unused members of PC87312State Markus Armbruster
2014-10-07 11:59 ` [Qemu-devel] [PATCH v6 19/24] blockdev: Drop superfluous DriveInfo member id Markus Armbruster
2014-10-07 11:59 ` [Qemu-devel] [PATCH v6 20/24] blockdev: Fix blockdev-add not to create DriveInfo Markus Armbruster
2014-10-07 11:59 ` [Qemu-devel] [PATCH v6 21/24] block/qapi: Convert qmp_query_block() to BlockBackend Markus Armbruster
2014-10-07 11:59 ` [Qemu-devel] [PATCH v6 22/24] blockdev: Convert qmp_eject(), qmp_change_blockdev() " Markus Armbruster
2014-10-07 11:59 ` [Qemu-devel] [PATCH v6 23/24] block: Lift device model API into BlockBackend Markus Armbruster
2014-10-07 11:59 ` [Qemu-devel] [PATCH v6 24/24] block: Make device model's references to BlockBackend strong Markus Armbruster
2014-10-17 19:07 ` [Qemu-devel] [PATCH v6 00/24] Split BlockBackend off BDS with an axe Kevin Wolf
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