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| author | Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> | 2017-10-12 12:53:10 +0300 |
|---|---|---|
| committer | Eric Blake <eblake@redhat.com> | 2017-10-12 16:53:15 -0500 |
| commit | caad53845af2ee607913d844ce6c08a5dbbeceef (patch) | |
| tree | b7e8230edf1029d62bda91c16ff68e56998ab5b4 /include/block | |
| parent | 7b3158f951388428b2256fce13eb727a6afbd533 (diff) | |
| download | qemu-caad53845af2ee607913d844ce6c08a5dbbeceef.zip qemu-caad53845af2ee607913d844ce6c08a5dbbeceef.tar.gz qemu-caad53845af2ee607913d844ce6c08a5dbbeceef.tar.bz2 | |
nbd/server: structurize simple reply header sending
Use packed structure instead of pointer arithmetics.
Also, merge two redundant traces into one.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20171012095319.136610-5-vsementsov@virtuozzo.com>
[eblake: tweak and mention impact on traces, fix errp usage]
Signed-off-by: Eric Blake <eblake@redhat.com>
Diffstat (limited to 'include/block')
| -rw-r--r-- | include/block/nbd.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/block/nbd.h b/include/block/nbd.h index 707fd37..4900898 100644 --- a/include/block/nbd.h +++ b/include/block/nbd.h @@ -63,6 +63,12 @@ struct NBDReply { }; typedef struct NBDReply NBDReply; +typedef struct NBDSimpleReply { + uint32_t magic; /* NBD_SIMPLE_REPLY_MAGIC */ + uint32_t error; + uint64_t handle; +} QEMU_PACKED NBDSimpleReply; + /* Transmission (export) flags: sent from server to client during handshake, but describe what will happen during transmission */ #define NBD_FLAG_HAS_FLAGS (1 << 0) /* Flags are there */ |