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Re: [Qemu-devel] [PATCH v2 01/20] nbd: produce a better error if neither
From: |
Jeff Cody |
Subject: |
Re: [Qemu-devel] [PATCH v2 01/20] nbd: produce a better error if neither host nor port is passed |
Date: |
Fri, 14 Feb 2014 15:41:51 -0500 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Fri, Feb 14, 2014 at 11:54:34AM -0500, Jeff Cody wrote:
> On Tue, Feb 11, 2014 at 06:03:34PM +0100, Paolo Bonzini wrote:
> > Before:
> > $ qemu-io-old
> > qemu-io-old> open -r -o file.driver=nbd
> > qemu-io-old: can't open device (null): Could not open image: Invalid
> > argument
> > $ ./qemu-io-old
> > qemu-io-old> open -r -o file.driver=nbd,file.host=foo,file.path=bar
> > path and host may not be used at the same time.
> > qemu-io-old: can't open device (null): Could not open image: Invalid
> > argument
> >
> > After:
> > $ ./qemu-io
> > qemu-io> open -r -o file.driver=nbd
> > one of path and host must be specified.
> > qemu-io: can't open device (null): Could not open image: Invalid
> > argument
> > $ ./qemu-io
> > qemu-io> open -r -o file.driver=nbd,file.host=foo,file.path=bar
> > path and host may not be used at the same time.
> > qemu-io: can't open device (null): Could not open image: Invalid
> > argument
> >
>
> This breaks test 051, which is parsing the error output. Could you
> also update 051.out in this patch? This should fix it:
>
>
> diff --git tests/qemu-iotests/051.out tests/qemu-iotests/051.out
> index 30e2dbd..7de1870 100644
> --- tests/qemu-iotests/051.out
> +++ tests/qemu-iotests/051.out
> @@ -231,7 +231,7 @@ Testing: -drive driver=file
> QEMU_PROG: -drive driver=file: could not open disk image ide0-hd0: The
> 'file' block driver requires a file name
>
> Testing: -drive driver=nbd
> -QEMU_PROG: -drive driver=nbd: could not open disk image ide0-hd0: Could not
> open image: Invalid argument
> +QEMU_PROG: -drive driver=nbd: could not open disk image ide0-hd0: one of
> path and host must be specified.
>
> Testing: -drive driver=raw
> QEMU_PROG: -drive driver=raw: could not open disk image ide0-hd0: Can't use
> 'raw' as a block driver for the protocol level
> @@ -240,7 +240,7 @@ Testing: -drive file.driver=file
> QEMU_PROG: -drive file.driver=file: could not open disk image ide0-hd0: The
> 'file' block driver requires a file name
>
> Testing: -drive file.driver=nbd
> -QEMU_PROG: -drive file.driver=nbd: could not open disk image ide0-hd0: Could
> not open image: Invalid argument
> +QEMU_PROG: -drive file.driver=nbd: could not open disk image ide0-hd0: one
> of path and host must be specified.
>
> Testing: -drive file.driver=raw
> QEMU_PROG: -drive file.driver=raw: could not open disk image ide0-hd0: Can't
> use 'raw' as a block driver for the protocol level
>
Sorry Paolo, the above would be if patches 1 and 2 were squashed together.
This would be the diff for 051.out for just this patch:
diff --git a/tests/qemu-iotests/051.out b/tests/qemu-iotests/051.out
index 30e2dbd..3e8d962 100644
--- a/tests/qemu-iotests/051.out
+++ b/tests/qemu-iotests/051.out
@@ -231,6 +231,7 @@ Testing: -drive driver=file
QEMU_PROG: -drive driver=file: could not open disk image ide0-hd0: The 'file'
block driver requires a file name
Testing: -drive driver=nbd
+QEMU_PROG: -drive driver=nbd: one of path and host must be specified.
QEMU_PROG: -drive driver=nbd: could not open disk image ide0-hd0: Could not
open image: Invalid argument
Testing: -drive driver=raw
@@ -240,6 +241,7 @@ Testing: -drive file.driver=file
QEMU_PROG: -drive file.driver=file: could not open disk image ide0-hd0: The
'file' block driver requires a file name
Testing: -drive file.driver=nbd
+QEMU_PROG: -drive file.driver=nbd: one of path and host must be specified.
QEMU_PROG: -drive file.driver=nbd: could not open disk image ide0-hd0: Could
not open image: Invalid argument
Testing: -drive file.driver=raw
>
> > Next patch will fix the error propagation.
> >
> > Signed-off-by: Paolo Bonzini <address@hidden>
> > ---
> > block/nbd.c | 13 ++++++-------
> > 1 file changed, 6 insertions(+), 7 deletions(-)
> >
> > diff --git a/block/nbd.c b/block/nbd.c
> > index 327e913..fd89083 100644
> > --- a/block/nbd.c
> > +++ b/block/nbd.c
> > @@ -192,19 +192,18 @@ static int nbd_config(BDRVNBDState *s, QDict
> > *options, char **export)
> > {
> > Error *local_err = NULL;
> >
> > - if (qdict_haskey(options, "path")) {
> > - if (qdict_haskey(options, "host")) {
> > + if (qdict_haskey(options, "path") == qdict_haskey(options, "host")) {
> > + if (qdict_haskey(options, "path")) {
> > qerror_report(ERROR_CLASS_GENERIC_ERROR, "path and host may
> > not "
> > "be used at the same time.");
> > - return -EINVAL;
> > + } else {
> > + qerror_report(ERROR_CLASS_GENERIC_ERROR, "one of path and host
> > "
> > + "must be specified.");
> > }
> > - s->client.is_unix = true;
> > - } else if (qdict_haskey(options, "host")) {
> > - s->client.is_unix = false;
> > - } else {
> > return -EINVAL;
> > }
> >
> > + s->client.is_unix = qdict_haskey(options, "path");
> > s->socket_opts = qemu_opts_create(&socket_optslist, NULL, 0,
> > &error_abort);
> >
> > --
> > 1.8.5.3
> >
> >
> >
>
- [Qemu-devel] [PATCH v2 00/20] Improve bdrv_open error messages, Paolo Bonzini, 2014/02/11
- [Qemu-devel] [PATCH v2 01/20] nbd: produce a better error if neither host nor port is passed, Paolo Bonzini, 2014/02/11
- [Qemu-devel] [PATCH v2 02/20] nbd: correctly propagate errors, Paolo Bonzini, 2014/02/11
- [Qemu-devel] [PATCH v2 03/20] nbd: inline tcp_socket_incoming_spec into sole caller, Paolo Bonzini, 2014/02/11
- [Qemu-devel] [PATCH v2 04/20] nbd: move socket wrappers to qemu-nbd, Paolo Bonzini, 2014/02/11
- [Qemu-devel] [PATCH v2 07/20] gluster: default scheme to gluster:// and host to localhost., Paolo Bonzini, 2014/02/11
- [Qemu-devel] [PATCH v2 06/20] iscsi: correctly propagate errors in iscsi_open, Paolo Bonzini, 2014/02/11
- [Qemu-devel] [PATCH v2 08/20] gluster: correctly propagate errors, Paolo Bonzini, 2014/02/11