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bf5b16fa40
qemu/hw/block
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Alberto Faria bf5b16fa40 block: Make blk_{pread,pwrite}() return 0 on success 
They currently return the value of their 'bytes' parameter on success.

Make them return 0 instead, for consistency with other I/O functions and
in preparation to implement them using generated_co_wrapper. This also
makes it clear that short reads/writes are not possible.

Signed-off-by: Alberto Faria <afaria@redhat.com>
Message-Id: <20220705161527.1054072-2-afaria@redhat.com>
Reviewed-by: Hanna Reitz <hreitz@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
2022-07-12 12:14:56 +02:00
..
dataplane osdep: Move memalign-related functions to their own header 2022-03-07 13:16:49 +00:00
block.c block: drop BLK_PERM_GRAPH_MOD 2022-01-14 12:03:16 +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 acpi: fdc-isa: replace ISADeviceClass::build_aml with AcpiDevAmlIfClass:build_dev_aml 2022-06-09 19:32:48 -04:00
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/fdc: Prevent end-of-track overrun (CVE-2021-3507) 2022-05-12 12:31:08 +02:00
hd-geometry.c block: Remove blk_pread_unthrottled() 2019-08-16 10:25:16 +02:00
Kconfig hw/block/fdc: Extract SysBus floppy controllers to fdc-sysbus.c 2021-06-25 08:53:28 -04:00
m25p80.c block: Make blk_{pread,pwrite}() return 0 on success 2022-07-12 12:14:56 +02:00
meson.build hw/block/fdc: Extract SysBus floppy controllers to fdc-sysbus.c 2021-06-25 08:53:28 -04:00
nand.c block: Separate blk_is_writable() and blk_supports_write_perm() 2021-01-27 20:45:20 +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: rename bdrv_invalidate_cache_all, blk_invalidate_cache and test_sync_op_invalidate_cache 2022-03-04 18:14:40 +01:00
pflash_cfi02.c hw/block/pflash_cfi02: Do not create aliases when not necessary 2021-05-11 18:11:02 +02:00
swim.c qbus: Rename qbus_create_inplace() to qbus_init() 2021-09-30 13:42:10 +01:00
tc58128.c hw/sh4: Add missing license 2021-03-06 16:18:42 +01:00
trace-events hw/block/fdc: Extract SysBus floppy controllers to fdc-sysbus.c 2021-06-25 08:53:28 -04:00
trace.h trace: switch position of headers to what Meson requires 2020-08-21 06:18:24 -04:00
vhost-user-blk.c hw/vhost-user-scsi|blk: set supports_config flag correctly 2022-06-09 19:32:49 -04:00
virtio-blk.c block: get rid of blk->guest_block_size 2022-06-24 17:07:06 +02:00
xen_blkif.h xen: Import other xen/io/*.h 2019-06-24 10:42:30 +01:00
xen-block.c block: get rid of blk->guest_block_size 2022-06-24 17:07:06 +02:00