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nbd: force read-only export for read-only devices

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This is the desired behavior for HMP, but it is a better choice for QMP as well.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2012-11-04 12:43:37 +01:00
parent fc6467eaf2
commit e644473445
1 changed files with 7 additions and 0 deletions
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7
blockdev-nbd.c
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@ -93,6 +93,13 @@ void qmp_nbd_server_add(const char *device, bool has_writable, bool writable,
return;
}
if (!has_writable) {
writable = true;
}
if (bdrv_is_read_only(bs)) {
writable = false;
}
exp = nbd_export_new(bs, 0, -1, writable ? 0 : NBD_FLAG_READ_ONLY,
nbd_server_put_ref);