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1fc277a0e8
qemu/hw/block
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Gerd Hoffmann 1fc277a0e8 hw/pflash: implement update buffer for block writes 
Add an update buffer where all block updates are staged.
Flush or discard updates properly, so we should never see
half-completed block writes in pflash storage.

Drop a bunch of FIXME comments ;)

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240108160900.104835-4-kraxel@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
(cherry picked from commit 284a7ee2e2)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
(Mjt: drop const in hw/block/pflash_cfi01.c for before
 v8.2.0-220-g7d5dc0a367 "hw/block: Constify VMState")
2024-01-20 13:43:42 +03:00
..
dataplane virtio-blk: remove batch notification BH 2023-10-31 15:42:17 +01:00
block.c pflash: Fix blk_pread_nonzeroes() 2023-03-07 16:53:18 +01:00
cdrom.c Include qemu-common.h exactly where needed 2019-06-12 13:20:20 +02:00
ecc.c vmstate: Constify some VMStateDescriptions 2021-05-02 17:24:50 +02:00
fdc-internal.h hw/block/fdc: Declare shared prototypes in fdc-internal.h 2021-06-25 08:53:28 -04:00
fdc-isa.c hw: Replace isa_get_irq() by isa_bus_get_irq() when ISABus is available 2023-02-27 22:29:02 +01:00
fdc-sysbus.c hw/block/fdc-sysbus: Always mark sysbus floppy controllers as not having DMA 2022-06-11 11:36:14 +02:00
fdc.c hw/block: replace TABs with space 2023-03-24 11:45:46 +01:00
hd-geometry.c hw/other: spelling fixes 2023-09-21 11:31:16 +03:00
Kconfig hw/block/fdc: Extract SysBus floppy controllers to fdc-sysbus.c 2021-06-25 08:53:28 -04:00
m25p80_sfdp.c m25p80: Add the is25wp256 SFPD table 2023-02-07 09:02:04 +01:00
m25p80_sfdp.h m25p80: Add the is25wp256 SFPD table 2023-02-07 09:02:04 +01:00
m25p80.c m25p80: Introduce an helper to retrieve the BlockBackend of a device 2023-09-01 11:40:04 +02:00
meson.build meson: Replace softmmu_ss -> system_ss 2023-06-20 10:01:30 +02:00
nand.c hw/block: replace TABs with space 2023-03-24 11:45:46 +01:00
onenand.c hw/block: replace TABs with space 2023-03-24 11:45:46 +01:00
pflash_cfi01.c hw/pflash: implement update buffer for block writes 2024-01-20 13:43:42 +03:00
pflash_cfi02.c hw/pflash: implement update buffer for block writes 2024-01-20 13:43:42 +03:00
swim.c swim: update IWM/ISM register block decoding 2023-10-06 10:33:43 +02:00
tc58128.c hw/block: replace TABs with space 2023-03-24 11:45:46 +01:00
trace-events hw/pflash: implement update buffer for block writes 2024-01-20 13:43:42 +03:00
trace.h trace: switch position of headers to what Meson requires 2020-08-21 06:18:24 -04:00
vhost-user-blk.c vhost-user: fix the reconnect error 2023-12-02 15:56:49 -05:00
virtio-blk-common.c virtio-blk: add zoned storage emulation for zoned devices 2023-05-15 08:18:10 -04:00
virtio-blk.c util/defer-call: move defer_call() to util/ 2023-10-31 15:41:42 +01:00
xen_blkif.h xen: Import other xen/io/*.h 2019-06-24 10:42:30 +01:00
xen-block.c hw/xen: clean up xen_block_find_free_vdev() to avoid Coverity false positive 2023-11-21 11:45:06 +00:00