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qemu/hw/block
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Roger Pau Monne 7f22201ac8 xen-block: fix reporting of discard feature 
Linux blkfront expects both "discard-granularity" and
"discard-alignment" present on xenbus in order to properly enable the
feature, not exposing "discard-alignment" left some Linux blkfront
versions with a broken discard setup. This has also been addressed in
Linux with:

https://lore.kernel.org/lkml/20210118151528.81668-1-roger.pau@citrix.com/T/#u

Fix QEMU to report a "discard-alignment" of 0, in order for it to work
with older Linux frontends.

Reported-by: Arthur Borsboom <arthurborsboom@gmail.com>
Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Message-Id: <20210118153330.82324-1-roger.pau@citrix.com>
Reviewed-by: Paul Durrant <paul@xen.org>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2021-02-15 15:10:14 +01:00
..
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 block: Separate blk_is_writable() and blk_supports_write_perm() 2021-01-27 20:45:20 +01:00
hd-geometry.c block: Remove blk_pread_unthrottled() 2019-08-16 10:25:16 +02:00
Kconfig hw/m68k: add a dummy SWIM floppy controller 2019-10-28 19:06:51 +01:00
m25p80.c block: Separate blk_is_writable() and blk_supports_write_perm() 2021-01-27 20:45:20 +01:00
meson.build hw/block/nvme: support multiple namespaces 2020-10-27 07:24:47 +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: fix error handling in nvme_ns_realize 2021-02-11 14:23:08 +01:00
nvme-ns.h hw/block/nvme: remove unused argument in nvme_ns_setup 2021-02-08 21:15:53 +01:00
nvme.c hw/block/nvme: Fix a build error in nvme_get_feature() 2021-02-11 14:22:30 +01:00
nvme.h hw/block/nvme: move cmb logic to v1.4 2021-02-08 21:15:54 +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 block: Separate blk_is_writable() and blk_supports_write_perm() 2021-01-27 20:45:20 +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 Include hw/hw.h exactly where needed 2019-08-16 13:31:52 +02:00
trace-events hw/block/nvme: refactor the logic for zone write checks 2021-02-08 21:15:54 +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 qdev: Move softmmu properties to qdev-properties-system.h 2020-12-18 15:20:17 -05:00
virtio-blk.c block: Separate blk_is_writable() and blk_supports_write_perm() 2021-01-27 20:45:20 +01:00
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