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nbd: rename some simple-request related objects to be _simple_ 

To be consistent when their _structured_ analogs will be introduced.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20171012095319.136610-4-vsementsov@virtuozzo.com>
[eblake: also tweak trace message contents]
Signed-off-by: Eric Blake <eblake@redhat.com>
master
Vladimir Sementsov-Ogievskiy 2017-10-12 12:53:09 +03:00 committed by Eric Blake
parent ed397b2fe7
commit 7b3158f951
5 changed files with 12 additions and 12 deletions
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4
nbd/client.c
View File

@ -931,7 +931,7 @@ int nbd_receive_reply(QIOChannel *ioc, NBDReply *reply, Error **errp)
}
/* Reply
[ 0 .. 3] magic (NBD_REPLY_MAGIC)
[ 0 .. 3] magic (NBD_SIMPLE_REPLY_MAGIC)
[ 4 .. 7] error (0 == no error)
[ 7 .. 15] handle
*/
@ -949,7 +949,7 @@ int nbd_receive_reply(QIOChannel *ioc, NBDReply *reply, Error **errp)
}
trace_nbd_receive_reply(magic, reply->error, reply->handle);
if (magic != NBD_REPLY_MAGIC) {
if (magic != NBD_SIMPLE_REPLY_MAGIC) {
error_setg(errp, "invalid magic (got 0x%" PRIx32 ")", magic);
return -EINVAL;
}

2
nbd/nbd-internal.h
View File

@ -47,7 +47,7 @@
#define NBD_OLDSTYLE_NEGOTIATE_SIZE (8 + 8 + 8 + 4 + 124)
#define NBD_REQUEST_MAGIC 0x25609513
#define NBD_REPLY_MAGIC 0x67446698
#define NBD_SIMPLE_REPLY_MAGIC 0x67446698
#define NBD_OPTS_MAGIC 0x49484156454F5054LL
#define NBD_CLIENT_MAGIC 0x0000420281861253LL
#define NBD_REP_MAGIC 0x0003e889045565a9LL

12
nbd/server.c
View File

@ -911,11 +911,11 @@ static int nbd_send_reply(QIOChannel *ioc, NBDReply *reply, Error **errp)
trace_nbd_send_reply(reply->error, reply->handle);
/* Reply
[ 0 .. 3] magic (NBD_REPLY_MAGIC)
[ 0 .. 3] magic (NBD_SIMPLE_REPLY_MAGIC)
[ 4 .. 7] error (0 == no error)
[ 7 .. 15] handle
*/
stl_be_p(buf, NBD_REPLY_MAGIC);
stl_be_p(buf, NBD_SIMPLE_REPLY_MAGIC);
stl_be_p(buf + 4, reply->error);
stq_be_p(buf + 8, reply->handle);
@ -1208,15 +1208,15 @@ void nbd_export_close_all(void)
}
}
static int nbd_co_send_reply(NBDRequestData *req, NBDReply *reply, int len,
Error **errp)
static int nbd_co_send_simple_reply(NBDRequestData *req, NBDReply *reply,
int len, Error **errp)
{
NBDClient *client = req->client;
int ret;
g_assert(qemu_in_coroutine());
trace_nbd_co_send_reply(reply->handle, reply->error, len);
trace_nbd_co_send_simple_reply(reply->handle, reply->error, len);
qemu_co_mutex_lock(&client->send_lock);
client->send_coroutine = qemu_coroutine_self();
@ -1465,7 +1465,7 @@ reply:
local_err = NULL;
}
if (nbd_co_send_reply(req, &reply, reply_data_len, &local_err) < 0) {
if (nbd_co_send_simple_reply(req, &reply, reply_data_len, &local_err) < 0) {
error_prepend(&local_err, "Failed to send reply: ");
goto disconnect;
}

2
nbd/trace-events
View File

@ -54,7 +54,7 @@ nbd_receive_request(uint32_t magic, uint16_t flags, uint16_t type, uint64_t from
nbd_send_reply(int32_t error, uint64_t handle) "Sending response to client: { .error = %" PRId32 ", handle = %" PRIu64 " }"
nbd_blk_aio_attached(const char *name, void *ctx) "Export %s: Attaching clients to AIO context %p\n"
nbd_blk_aio_detach(const char *name, void *ctx) "Export %s: Detaching clients from AIO context %p\n"
nbd_co_send_reply(uint64_t handle, uint32_t error, int len) "Send reply: handle = %" PRIu64 ", error = %" PRIu32 ", len = %d"
nbd_co_send_simple_reply(uint64_t handle, uint32_t error, int len) "Send simple reply: handle = %" PRIu64 ", error = %" PRIu32 ", len = %d"
nbd_co_receive_request_decode_type(uint64_t handle, uint16_t type, const char *name) "Decoding type: handle = %" PRIu64 ", type = %" PRIu16 " (%s)"
nbd_co_receive_request_payload_received(uint64_t handle, uint32_t len) "Payload received: handle = %" PRIu64 ", len = %" PRIu32
nbd_co_receive_request_cmd_write(uint32_t len) "Reading %" PRIu32 " byte(s)"

4
tests/qemu-iotests/nbd-fault-injector.py
View File

@ -56,7 +56,7 @@ NBD_CMD_READ = 0
NBD_CMD_WRITE = 1
NBD_CMD_DISC = 2
NBD_REQUEST_MAGIC = 0x25609513
NBD_REPLY_MAGIC = 0x67446698
NBD_SIMPLE_REPLY_MAGIC = 0x67446698
NBD_PASSWD = 0x4e42444d41474943
NBD_OPTS_MAGIC = 0x49484156454F5054
NBD_CLIENT_MAGIC = 0x0000420281861253
@ -166,7 +166,7 @@ def read_request(conn):
return req
def write_reply(conn, error, handle):
buf = reply_struct.pack(NBD_REPLY_MAGIC, error, handle)
buf = reply_struct.pack(NBD_SIMPLE_REPLY_MAGIC, error, handle)
conn.send(buf, event='reply')
def handle_connection(conn, use_export):