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blockdev: Move "file" to legacy_opts

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Specifying the image filename through the "file" option is a legacy
option and should not be supported by blockdev-add (in that case, giving
a string for "file" references an existing block device).

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Max Reitz 2013-12-20 19:28:14 +01:00 committed by Kevin Wolf
parent 505d758334
commit d095b46533
1 changed files with 10 additions and 9 deletions
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19
blockdev.c
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@ -307,12 +307,11 @@ static bool check_throttle_config(ThrottleConfig *cfg, Error **errp)
typedef enum { MEDIA_DISK, MEDIA_CDROM } DriveMediaType;
/* Takes the ownership of bs_opts */
static DriveInfo *blockdev_init(QDict *bs_opts,
static DriveInfo *blockdev_init(const char *file, QDict *bs_opts,
BlockInterfaceType type,
Error **errp)
{
const char *buf;
const char *file = NULL;
const char *serial;
int ro = 0;
int bdrv_flags = 0;
@ -354,7 +353,6 @@ static DriveInfo *blockdev_init(QDict *bs_opts,
ro = qemu_opt_get_bool(opts, "read-only", 0);
copy_on_read = qemu_opt_get_bool(opts, "copy-on-read", false);
file = qemu_opt_get(opts, "file");
serial = qemu_opt_get(opts, "serial");
if ((buf = qemu_opt_get(opts, "discard")) != NULL) {
@ -599,6 +597,10 @@ QemuOptsList qemu_legacy_drive_opts = {
.name = "addr",
.type = QEMU_OPT_STRING,
.help = "pci address (virtio only)",
},{
.name = "file",
.type = QEMU_OPT_STRING,
.help = "file name",
},
/* Options that are passed on, but have special semantics with -drive */
@ -629,6 +631,7 @@ DriveInfo *drive_init(QemuOpts *all_opts, BlockInterfaceType block_default_type)
const char *devaddr;
bool read_only = false;
bool copy_on_read;
const char *filename;
Error *local_err = NULL;
/* Change legacy command line options into QMP ones */
@ -867,8 +870,10 @@ DriveInfo *drive_init(QemuOpts *all_opts, BlockInterfaceType block_default_type)
}
}
filename = qemu_opt_get(legacy_opts, "file");
/* Actual block device init: Functionality shared with blockdev-add */
dinfo = blockdev_init(bs_opts, type, &local_err);
dinfo = blockdev_init(filename, bs_opts, type, &local_err);
if (dinfo == NULL) {
if (error_is_set(&local_err)) {
qerror_report_err(local_err);
@ -2210,7 +2215,7 @@ void qmp_blockdev_add(BlockdevOptions *options, Error **errp)
qdict_flatten(qdict);
blockdev_init(qdict, IF_NONE, &local_err);
blockdev_init(NULL, qdict, IF_NONE, &local_err);
if (error_is_set(&local_err)) {
error_propagate(errp, local_err);
goto fail;
@ -2250,10 +2255,6 @@ QemuOptsList qemu_common_drive_opts = {
.name = "snapshot",
.type = QEMU_OPT_BOOL,
.help = "enable/disable snapshot mode",
},{
.name = "file",
.type = QEMU_OPT_STRING,
.help = "disk image",
},{
.name = "discard",
.type = QEMU_OPT_STRING,