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The documentation to this monitor command tells, that 'writable'
argument is optional and defaults to false. However, the code sets
true as the default. But since some applications may already been
using this, it's safer to fix the code and not documentation which
would break those applications.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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It works nicely with the QMP commands, but it adds useless complication
with HMP. In particular, see the following:
(qemu) nbd_server_add -w scsi0-hd0
(qemu) nbd_server_start -a localhost:10809
NBD server already exporting device scsi0-hd0
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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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>
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This failed on the new assertion of qemu_set_fd_handler2:
qemu-system-x86_64: /home/pbonzini/work/upstream/qemu/iohandler.c:60: qemu_set_fd_handler2: Assertion `fd >= 0' failed.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Adding an NBD server inside QEMU is trivial, since all the logic is
in nbd.c and can be shared easily between qemu-nbd and QEMU itself.
The main difference is that qemu-nbd serves a single unnamed export,
while QEMU serves named exports.
Acked-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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