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authorAlberto Faria <afaria@redhat.com>2022-06-09 16:27:37 +0100
committerHanna Reitz <hreitz@redhat.com>2022-07-12 12:14:55 +0200
commit353a5d84b25c335b259f37c4f43dad96e6d60ba8 (patch)
tree2bad4cabb0ec9703ee289439ca877b00b5f07696 /include/crypto
parent32cc71def9e3885f9527af713e6d8dc7521ddc08 (diff)
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block: Make bdrv_{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. The few callers that rely on the previous behavior are adjusted accordingly by hand. Signed-off-by: Alberto Faria <afaria@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-Id: <20220609152744.3891847-4-afaria@redhat.com> Reviewed-by: Hanna Reitz <hreitz@redhat.com> Signed-off-by: Hanna Reitz <hreitz@redhat.com>
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