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From: | Paolo Bonzini |
Subject: | Re: [Qemu-devel] [PATCH v2 01/20] nbd: produce a better error if neither host nor port is passed |
Date: | Sun, 16 Feb 2014 16:53:25 +0100 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 |
Il 14/02/2014 17:54, Jeff Cody ha scritto:
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 argumentThis 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
Thanks, I was working on an older checkout. Fixed and tested now. Paolo
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
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