[PATCH v2 02/10] block/nbd: BDRVNBDState: drop unused connect_err and connect_status

Vladimir Sementsov-Ogievskiy posted 10 patches 4 years, 10 months ago
Maintainers: Stefan Hajnoczi <stefanha@redhat.com>, Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>, Kevin Wolf <kwolf@redhat.com>, Max Reitz <mreitz@redhat.com>, Fam Zheng <fam@euphon.net>, Eric Blake <eblake@redhat.com>
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[PATCH v2 02/10] block/nbd: BDRVNBDState: drop unused connect_err and connect_status
Posted by Vladimir Sementsov-Ogievskiy 4 years, 10 months ago
These fields are write-only. Drop them.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
---
 block/nbd.c | 12 ++----------
 1 file changed, 2 insertions(+), 10 deletions(-)

diff --git a/block/nbd.c b/block/nbd.c
index 64b2977dc8..b0bbde741a 100644
--- a/block/nbd.c
+++ b/block/nbd.c
@@ -117,8 +117,6 @@ typedef struct BDRVNBDState {
     bool wait_drained_end;
     int in_flight;
     NBDClientState state;
-    int connect_status;
-    Error *connect_err;
     bool wait_in_flight;
 
     QEMUTimer *reconnect_delay_timer;
@@ -556,7 +554,6 @@ static void nbd_co_establish_connection_cancel(BlockDriverState *bs)
 static coroutine_fn void nbd_reconnect_attempt(BDRVNBDState *s)
 {
     int ret;
-    Error *local_err = NULL;
 
     if (!nbd_client_connecting(s)) {
         return;
@@ -597,14 +594,14 @@ static coroutine_fn void nbd_reconnect_attempt(BDRVNBDState *s)
         s->ioc = NULL;
     }
 
-    if (nbd_co_establish_connection(s->bs, &local_err) < 0) {
+    if (nbd_co_establish_connection(s->bs, NULL) < 0) {
         ret = -ECONNREFUSED;
         goto out;
     }
 
     bdrv_dec_in_flight(s->bs);
 
-    ret = nbd_client_handshake(s->bs, &local_err);
+    ret = nbd_client_handshake(s->bs, NULL);
 
     if (s->drained) {
         s->wait_drained_end = true;
@@ -619,11 +616,6 @@ static coroutine_fn void nbd_reconnect_attempt(BDRVNBDState *s)
     bdrv_inc_in_flight(s->bs);
 
 out:
-    s->connect_status = ret;
-    error_free(s->connect_err);
-    s->connect_err = NULL;
-    error_propagate(&s->connect_err, local_err);
-
     if (ret >= 0) {
         /* successfully connected */
         s->state = NBD_CLIENT_CONNECTED;
-- 
2.29.2


Re: [PATCH v2 02/10] block/nbd: BDRVNBDState: drop unused connect_err and connect_status
Posted by Roman Kagan 4 years, 10 months ago
On Thu, Apr 08, 2021 at 05:08:19PM +0300, Vladimir Sementsov-Ogievskiy wrote:
> These fields are write-only. Drop them.
> 
> Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
> ---
>  block/nbd.c | 12 ++----------
>  1 file changed, 2 insertions(+), 10 deletions(-)

Reviewed-by: Roman Kagan <rvkagan@yandex-team.ru>