From: Paolo Bonzini <pbonzini@redhat.com>
To: Max Reitz <mreitz@redhat.com>, qemu-block@nongnu.org
Cc: Kevin Wolf <kwolf@redhat.com>,
qemu-devel@nongnu.org, Stefan Hajnoczi <stefanha@redhat.com>
Subject: Re: [Qemu-devel] [PATCH 07/25] nbd: Add "failed to open export" error message
Date: Wed, 11 Mar 2015 12:24:13 +0100 [thread overview]
Message-ID: <550025DD.80502@redhat.com> (raw)
In-Reply-To: <1424887718-10800-8-git-send-email-mreitz@redhat.com>
On 25/02/2015 19:08, Max Reitz wrote:
> In case the connection is closed before the export length can be read,
> and an export name had been specified, this generally indicates that for
> some reason the export could not be opened (e.g. there is no export with
> that name). Make the error message reflect this.
>
> Signed-off-by: Max Reitz <mreitz@redhat.com>
Which patch introduces tests/qemu-iotests/096.out?
Paolo
> ---
> nbd.c | 6 +++++-
> tests/qemu-iotests/096.out | 2 +-
> 2 files changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/nbd.c b/nbd.c
> index 77d1158..ad0948b 100644
> --- a/nbd.c
> +++ b/nbd.c
> @@ -600,7 +600,11 @@ int nbd_receive_negotiate(int csock, const char *name, uint32_t *flags,
> }
>
> if (read_sync(csock, &s, sizeof(s)) != sizeof(s)) {
> - error_setg(errp, "Failed to read export length");
> + if (name) {
> + error_setg(errp, "Failed to open export");
> + } else {
> + error_setg(errp, "Failed to read export length");
> + }
> goto fail;
> }
> *size = be64_to_cpu(s);
> diff --git a/tests/qemu-iotests/096.out b/tests/qemu-iotests/096.out
> index cc10e51..80d542a 100644
> --- a/tests/qemu-iotests/096.out
> +++ b/tests/qemu-iotests/096.out
> @@ -9,7 +9,7 @@ read 65536/65536 bytes at offset 0
> 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
> {"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "DEVICE_TRAY_MOVED", "data": {"device": "drv", "tray-open": true}}
> {"return": {}}
> -qemu-io: can't open device nbd://127.0.0.1:PORT/drv: Failed to read export length
> +qemu-io: can't open device nbd://127.0.0.1:PORT/drv: Failed to open export
> no file open, try 'help open'
> {"return": {}}
> {"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "SHUTDOWN"}
>
next prev parent reply other threads:[~2015-03-11 11:24 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-25 18:08 [Qemu-devel] [PATCH 00/25] nbd: Several fixes Max Reitz
2015-02-25 18:08 ` [Qemu-devel] [PATCH 01/25] util/uri: Add overflow check to rfc3986_parse_port Max Reitz
2015-02-25 18:08 ` [Qemu-devel] [PATCH 02/25] qemu-nbd: Detect unused partitions by system == 0 Max Reitz
2015-02-25 18:08 ` [Qemu-devel] [PATCH 03/25] nbd: Fix nbd_establish_connection()'s return value Max Reitz
2015-02-25 18:08 ` [Qemu-devel] [PATCH 04/25] nbd: Fix response to invalid requests Max Reitz
2015-03-02 16:52 ` Max Reitz
2015-02-25 18:08 ` [Qemu-devel] [PATCH 05/25] nbd: Avoid generic -EINVAL Max Reitz
2015-03-11 11:22 ` Paolo Bonzini
2015-03-16 13:51 ` Max Reitz
2015-03-16 14:42 ` Paolo Bonzini
2015-03-16 14:48 ` Max Reitz
2015-03-16 14:49 ` Paolo Bonzini
2015-02-25 18:08 ` [Qemu-devel] [PATCH 06/25] nbd: Pass return value from nbd_handle_list() Max Reitz
2015-02-25 18:08 ` [Qemu-devel] [PATCH 07/25] nbd: Add "failed to open export" error message Max Reitz
2015-03-11 11:24 ` Paolo Bonzini [this message]
2015-03-16 13:55 ` Max Reitz
2015-02-25 18:08 ` [Qemu-devel] [PATCH 08/25] nbd: Handle blk_getlength() failure Max Reitz
2015-03-11 11:26 ` Paolo Bonzini
2015-02-25 18:08 ` [Qemu-devel] [PATCH 09/25] qemu-nbd: fork() can fail Max Reitz
2015-02-25 18:08 ` [Qemu-devel] [PATCH 10/25] nbd: Fix potential signed overflow issues Max Reitz
2015-03-11 11:28 ` Paolo Bonzini
2015-02-25 18:08 ` [Qemu-devel] [PATCH 11/25] qemu-nbd: Fix and improve input verification Max Reitz
2015-03-11 11:30 ` Paolo Bonzini
2015-03-16 13:56 ` Max Reitz
2015-02-25 18:08 ` [Qemu-devel] [PATCH 12/25] nbd: Set block size to BDRV_SECTOR_SIZE Max Reitz
2015-02-25 18:08 ` [Qemu-devel] [PATCH 13/25] nbd: Enforce sector alignment Max Reitz
2015-02-25 18:08 ` [Qemu-devel] [PATCH 14/25] coroutine: Add co_yield_timeout() Max Reitz
2015-02-25 18:08 ` [Qemu-devel] [PATCH 15/25] coroutine-io: Return -errno in case of error Max Reitz
2015-02-25 18:08 ` [Qemu-devel] [PATCH 16/25] coroutine-io: Add I/O functions with timeout Max Reitz
2015-02-25 18:08 ` [Qemu-devel] [PATCH 17/25] nbd: Employ timeouts Max Reitz
2015-02-25 18:08 ` [Qemu-devel] [PATCH 18/25] nbd: Fix nbd_receive_options() Max Reitz
2015-02-25 18:08 ` [Qemu-devel] [PATCH 19/25] nbd: Fix interpretation of the export flags Max Reitz
2015-02-25 18:08 ` [Qemu-devel] [PATCH 20/25] block/nbd: Comment on discard/flush silently failing Max Reitz
2015-03-11 11:31 ` Paolo Bonzini
2015-03-16 13:58 ` Max Reitz
2015-03-16 14:44 ` Paolo Bonzini
2015-03-16 14:49 ` Max Reitz
2015-03-16 14:51 ` Paolo Bonzini
2015-03-16 14:52 ` Max Reitz
2015-02-25 18:08 ` [Qemu-devel] [PATCH 21/25] nbd: Drop unexpected data for NBD_OPT_LIST Max Reitz
2015-02-25 18:08 ` [Qemu-devel] [PATCH 22/25] iotests: Add _timeout function Max Reitz
2015-02-25 18:08 ` [Qemu-devel] [PATCH 23/25] iotests: Add test for invalid qemu-nbd parameters Max Reitz
2015-02-25 18:08 ` [Qemu-devel] [PATCH 24/25] iotests: Add test for issuing discard over NBD Max Reitz
2015-02-25 18:08 ` [Qemu-devel] [PATCH 25/25] iotests: Add test for a non-existing NBD export Max Reitz
2015-02-25 18:11 ` [Qemu-devel] [PATCH 00/25] nbd: Several fixes Max Reitz
2015-03-11 11:36 ` Paolo Bonzini
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