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qemu/hw/block
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Akihiko Odaki fb0b154c80 virtio-blk: Respect discard granularity 
Report the configured granularity for discard operation to the
guest. If this is not set use the block size.

Since until now we have ignored the configured discard granularity
and always reported the block size, let's add
'report-discard-granularity' property and disable it for older
machine types to avoid migration issues.

Signed-off-by: Akihiko Odaki <akihiko.odaki@gmail.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20210225001239.47046-1-akihiko.odaki@gmail.com>
2021-03-15 09:48:53 +00:00
..
dataplane block: Separate blk_is_writable() and blk_supports_write_perm() 2021-01-27 20:45:20 +01:00
block.c block: make BlockConf size props 32bit and accept size suffixes 2020-06-17 14:53:40 +02:00
cdrom.c Include qemu-common.h exactly where needed 2019-06-12 13:20:20 +02:00
ecc.c Include hw/hw.h exactly where needed 2019-08-16 13:31:52 +02:00
fdc.c hw/block/fdc: Remove the check_media_rate property 2021-02-20 12:36:19 +01:00
hd-geometry.c block: Remove blk_pread_unthrottled() 2019-08-16 10:25:16 +02:00
Kconfig hw/block: Introduce TC58128 eeprom Kconfig entry 2021-03-06 16:18:42 +01:00
m25p80.c hw/block: m25p80: Add various ISSI flash information 2021-03-04 09:43:29 -05:00
meson.build hw/block/nvme: introduce nvme-subsys device 2021-03-09 11:00:55 +01:00
nand.c block: Separate blk_is_writable() and blk_supports_write_perm() 2021-01-27 20:45:20 +01:00
nvme-ns.c hw/block/nvme: support namespace detach 2021-03-09 11:00:57 +01:00
nvme-ns.h hw/block/nvme: support changed namespace asynchronous event 2021-03-09 11:00:58 +01:00
nvme-subsys.c hw/block/nvme: support for shared namespace in subsystem 2021-03-09 11:00:57 +01:00
nvme-subsys.h hw/block/nvme: support namespace attachment command 2021-03-09 11:00:58 +01:00
nvme.c hw/block/nvme: support Identify NS Attached Controller List 2021-03-09 11:00:58 +01:00
nvme.h hw/block/nvme: support changed namespace asynchronous event 2021-03-09 11:00:58 +01:00
onenand.c block: Separate blk_is_writable() and blk_supports_write_perm() 2021-01-27 20:45:20 +01:00
pflash_cfi01.c sysemu: Let VMChangeStateHandler take boolean 'running' argument 2021-03-09 23:13:57 +01:00
pflash_cfi02.c block: Separate blk_is_writable() and blk_supports_write_perm() 2021-01-27 20:45:20 +01:00
swim.c block: Separate blk_is_writable() and blk_supports_write_perm() 2021-01-27 20:45:20 +01:00
tc58128.c hw/sh4: Add missing license 2021-03-06 16:18:42 +01:00
trace-events hw/block/nvme: support Identify NS Attached Controller List 2021-03-09 11:00:58 +01:00
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-blk: fix blkcfg->num_queues endianness 2021-03-08 14:55:19 +01:00
virtio-blk.c virtio-blk: Respect discard granularity 2021-03-15 09:48:53 +00:00
xen_blkif.h xen: Import other xen/io/*.h 2019-06-24 10:42:30 +01:00
xen-block.c xen-block: fix reporting of discard feature 2021-02-15 15:10:14 +01:00