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block/nbd-client: drop stale logout 

Drop one on failure path (we have errp) and turn two others into trace
points.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20190611102720.86114-2-vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Vladimir Sementsov-Ogievskiy 2019-06-11 13:27:18 +03:00 committed by Eric Blake
parent 416e34bd04
commit 0a93b359db
3 changed files with 5 additions and 12 deletions
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6
block/nbd-client.c
View File

@ -1136,7 +1136,7 @@ static int nbd_client_connect(BlockDriverState *bs,
}
/* NBD handshake */
logout("session init %s\n", export);
trace_nbd_client_connect(export);
qio_channel_set_blocking(QIO_CHANNEL(sioc), true, NULL);
client->info.request_sizes = true;
@ -1149,7 +1149,6 @@ static int nbd_client_connect(BlockDriverState *bs,
g_free(client->info.x_dirty_bitmap);
g_free(client->info.name);
if (ret < 0) {
logout("Failed to negotiate with the NBD server\n");
object_unref(OBJECT(sioc));
return ret;
}
@ -1187,7 +1186,8 @@ static int nbd_client_connect(BlockDriverState *bs,
bdrv_inc_in_flight(bs);
nbd_client_attach_aio_context(bs, bdrv_get_aio_context(bs));
logout("Established connection with NBD server\n");
trace_nbd_client_connect_success(export);
return 0;
fail:

9
block/nbd-client.h
View File

@ -5,15 +5,6 @@
#include "block/block_int.h"
#include "io/channel-socket.h"
/* #define DEBUG_NBD */
#if defined(DEBUG_NBD)
#define logout(fmt, ...) \
fprintf(stderr, "nbd\t%-24s" fmt, __func__, ##__VA_ARGS__)
#else
#define logout(fmt, ...) ((void)0)
#endif
#define MAX_NBD_REQUESTS 16
typedef struct {

2
block/trace-events
View File

@ -165,6 +165,8 @@ nbd_parse_blockstatus_compliance(const char *err) "ignoring extra data from non-
nbd_structured_read_compliance(const char *type) "server sent non-compliant unaligned read %s chunk"
nbd_read_reply_entry_fail(int ret, const char *err) "ret = %d, err: %s"
nbd_co_request_fail(uint64_t from, uint32_t len, uint64_t handle, uint16_t flags, uint16_t type, const char *name, int ret, const char *err) "Request failed { .from = %" PRIu64", .len = %" PRIu32 ", .handle = %" PRIu64 ", .flags = 0x%" PRIx16 ", .type = %" PRIu16 " (%s) } ret = %d, err: %s"
nbd_client_connect(const char *export_name) "export '%s'"
nbd_client_connect_success(const char *export_name) "export '%s'"
# ssh.c
ssh_restart_coroutine(void *co) "co=%p"