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authorEric Blake <eblake@redhat.com>2017-11-08 15:56:59 -0600
committerEric Blake <eblake@redhat.com>2017-11-09 10:16:45 -0600
commit079d3266c79a41b2b00780f74d1c5e0b1756be95 (patch)
tree004df984d4d92e5b657524ddb5cdff491901dd12 /nbd
parent1104d83c726d2b20f9cec7b99ab3570a2fdbd46d (diff)
downloadqemu-079d3266c79a41b2b00780f74d1c5e0b1756be95.tar.gz
nbd/client: Nicer trace of structured reply
It's useful to know which structured reply chunk is being processed. Missed in commit d2febedb. Signed-off-by: Eric Blake <eblake@redhat.com> Message-Id: <20171108215703.9295-4-eblake@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Diffstat (limited to 'nbd')
-rw-r--r--nbd/client.c4
-rw-r--r--nbd/trace-events2
2 files changed, 4 insertions, 2 deletions
diff --git a/nbd/client.c b/nbd/client.c
index 3d680e63e1..1880103d2a 100644
--- a/nbd/client.c
+++ b/nbd/client.c
@@ -979,6 +979,7 @@ static int nbd_receive_structured_reply_chunk(QIOChannel *ioc,
int nbd_receive_reply(QIOChannel *ioc, NBDReply *reply, Error **errp)
{
int ret;
+ const char *type;
ret = nbd_read_eof(ioc, &reply->magic, sizeof(reply->magic), errp);
if (ret <= 0) {
@@ -1008,8 +1009,9 @@ int nbd_receive_reply(QIOChannel *ioc, NBDReply *reply, Error **errp)
if (ret < 0) {
break;
}
+ type = nbd_reply_type_lookup(reply->structured.type);
trace_nbd_receive_structured_reply_chunk(reply->structured.flags,
- reply->structured.type,
+ reply->structured.type, type,
reply->structured.handle,
reply->structured.length);
break;
diff --git a/nbd/trace-events b/nbd/trace-events
index 4a13757524..bbc75f6414 100644
--- a/nbd/trace-events
+++ b/nbd/trace-events
@@ -27,7 +27,7 @@ nbd_client_clear_queue(void) "Clearing NBD queue"
nbd_client_clear_socket(void) "Clearing NBD socket"
nbd_send_request(uint64_t from, uint32_t len, uint64_t handle, uint16_t flags, uint16_t type, const char *name) "Sending request to server: { .from = %" PRIu64", .len = %" PRIu32 ", .handle = %" PRIu64 ", .flags = 0x%" PRIx16 ", .type = %" PRIu16 " (%s) }"
nbd_receive_simple_reply(int32_t error, const char *errname, uint64_t handle) "Got simple reply: { .error = %" PRId32 " (%s), handle = %" PRIu64" }"
-nbd_receive_structured_reply_chunk(uint16_t flags, uint16_t type, uint64_t handle, uint32_t length) "Got structured reply chunk: { flags = 0x%" PRIx16 ", type = %d, handle = %" PRIu64 ", length = %" PRIu32 " }"
+nbd_receive_structured_reply_chunk(uint16_t flags, uint16_t type, const char *name, uint64_t handle, uint32_t length) "Got structured reply chunk: { flags = 0x%" PRIx16 ", type = %d (%s), handle = %" PRIu64 ", length = %" PRIu32 " }"
# nbd/common.c
nbd_unknown_error(int err) "Squashing unexpected error %d to EINVAL"