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iscsi: Fix iscsi_create 

Since d5895fcb (iscsi: Split URL into individual options), creating
qcow2 image on an iscsi LUN fails:

    qemu-img create -f qcow2 iscsi://$SERVER/$IQN/0 1G
    qemu-img: iscsi://$SERVER/$IQN/0: Could not create image: Invalid
        argument

The problem is iscsi_open now expects that transport_name, portal and
target are already parsed into structured options by
iscsi_parse_filename, but it is not called in iscsi_create.

Signed-off-by: Fam Zheng <famz@redhat.com>
Message-id: 20170410075451.21329-1-famz@redhat.com
Reviewed-by: Eric Blake <eblake@redhat.com>
[mreitz: Dropped now superfluous
         qdict_put(bs_options, "filename", ...)]
Signed-off-by: Max Reitz <mreitz@redhat.com>
This commit is contained in:
Fam Zheng 2017-04-10 15:54:51 +08:00 committed by Max Reitz
parent 1606e4cf8a
commit 2ec9a782d1
1 changed files with 8 additions and 2 deletions
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10
block/iscsi.c
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@ -2092,6 +2092,7 @@ static int iscsi_create(const char *filename, QemuOpts *opts, Error **errp)
BlockDriverState *bs;
IscsiLun *iscsilun = NULL;
QDict *bs_options;
Error *local_err = NULL;
bs = bdrv_new();
@ -2102,8 +2103,13 @@ static int iscsi_create(const char *filename, QemuOpts *opts, Error **errp)
iscsilun = bs->opaque;
bs_options = qdict_new();
qdict_put(bs_options, "filename", qstring_from_str(filename));
ret = iscsi_open(bs, bs_options, 0, NULL);
iscsi_parse_filename(filename, bs_options, &local_err);
if (local_err) {
error_propagate(errp, local_err);
ret = -EINVAL;
} else {
ret = iscsi_open(bs, bs_options, 0, NULL);
}
QDECREF(bs_options);
if (ret != 0) {