diff options
| author | Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> | 2017-05-16 12:45:31 +0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2017-06-06 20:18:36 +0200 |
| commit | f2609565369429bc1619d106b200106dba29290e (patch) | |
| tree | 3ba3a72711e31bccb7812104ee8e73329532c02c | |
| parent | f5d406fe86bb28da85824b6581e58980cc1a07f3 (diff) | |
nbd: add errp parameter to nbd_wr_syncv()
Will be used in following patch to provide actual error message in
some cases.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20170516094533.6160-4-vsementsov@virtuozzo.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
| -rw-r--r-- | block/nbd-client.c | 4 | ||||
| -rw-r--r-- | include/block/nbd.h | 3 | ||||
| -rw-r--r-- | nbd/common.c | 12 | ||||
| -rw-r--r-- | nbd/nbd-internal.h | 4 |
4 files changed, 11 insertions, 12 deletions
diff --git a/block/nbd-client.c b/block/nbd-client.c index 1e2952fdae..538d95e031 100644 --- a/block/nbd-client.c +++ b/block/nbd-client.c @@ -136,7 +136,7 @@ static int nbd_co_send_request(BlockDriverState *bs, rc = nbd_send_request(s->ioc, request); if (rc >= 0) { ret = nbd_wr_syncv(s->ioc, qiov->iov, qiov->niov, request->len, - false); + false, NULL); if (ret != request->len) { rc = -EIO; } @@ -165,7 +165,7 @@ static void nbd_co_receive_reply(NBDClientSession *s, } else { if (qiov && reply->error == 0) { ret = nbd_wr_syncv(s->ioc, qiov->iov, qiov->niov, request->len, - true); + true, NULL); if (ret != request->len) { reply->error = EIO; } diff --git a/include/block/nbd.h b/include/block/nbd.h index 0ed077502e..9d385ea564 100644 --- a/include/block/nbd.h +++ b/include/block/nbd.h @@ -127,7 +127,8 @@ ssize_t nbd_wr_syncv(QIOChannel *ioc, struct iovec *iov, size_t niov, size_t length, - bool do_read); + bool do_read, + Error **errp); int nbd_receive_negotiate(QIOChannel *ioc, const char *name, uint16_t *flags, QCryptoTLSCreds *tlscreds, const char *hostname, QIOChannel **outioc, diff --git a/nbd/common.c b/nbd/common.c index 4db45b3ede..bd81637ab9 100644 --- a/nbd/common.c +++ b/nbd/common.c @@ -28,10 +28,10 @@ ssize_t nbd_wr_syncv(QIOChannel *ioc, struct iovec *iov, size_t niov, size_t length, - bool do_read) + bool do_read, + Error **errp) { ssize_t done = 0; - Error *local_err = NULL; struct iovec *local_iov = g_new(struct iovec, niov); struct iovec *local_iov_head = local_iov; unsigned int nlocal_iov = niov; @@ -41,19 +41,17 @@ ssize_t nbd_wr_syncv(QIOChannel *ioc, while (nlocal_iov > 0) { ssize_t len; if (do_read) { - len = qio_channel_readv(ioc, local_iov, nlocal_iov, &local_err); + len = qio_channel_readv(ioc, local_iov, nlocal_iov, errp); } else { - len = qio_channel_writev(ioc, local_iov, nlocal_iov, &local_err); + len = qio_channel_writev(ioc, local_iov, nlocal_iov, errp); } if (len == QIO_CHANNEL_ERR_BLOCK) { + /* errp should not be set */ assert(qemu_in_coroutine()); qio_channel_yield(ioc, do_read ? G_IO_IN : G_IO_OUT); continue; } if (len < 0) { - TRACE("I/O error: %s", error_get_pretty(local_err)); - error_free(local_err); - /* XXX handle Error objects */ done = -EIO; goto cleanup; } diff --git a/nbd/nbd-internal.h b/nbd/nbd-internal.h index e6bbc7c4b4..1d479fe135 100644 --- a/nbd/nbd-internal.h +++ b/nbd/nbd-internal.h @@ -108,7 +108,7 @@ static inline ssize_t read_sync_eof(QIOChannel *ioc, void *buffer, size_t size) * our request/reply. Synchronization is done with recv_coroutine, so * that this is coroutine-safe. */ - return nbd_wr_syncv(ioc, &iov, 1, size, true); + return nbd_wr_syncv(ioc, &iov, 1, size, true, NULL); } /* read_sync @@ -132,7 +132,7 @@ static inline int write_sync(QIOChannel *ioc, const void *buffer, size_t size) { struct iovec iov = { .iov_base = (void *) buffer, .iov_len = size }; - ssize_t ret = nbd_wr_syncv(ioc, &iov, 1, size, false); + ssize_t ret = nbd_wr_syncv(ioc, &iov, 1, size, false, NULL); assert(ret < 0 || ret == size); |