[Libguestfs] [PATCH nbdkit v4 4/7] python: Implement can_zero, can_fast_zero.

--- plugins/python/nbdkit-python-plugin.pod | 16 ++++++++++++++-- plugins/python/python.c | 14 ++++++++++++++ 2 files changed, 28 insertions(+), 2 deletions(-) diff --git a/plugins/python/nbdkit-python-plugin.pod b/plugins/python/nbdkit-python-plugin.pod index ebea0a7..0def7bb 100644 --- a/plugins/python/nbdkit-python-plugin.pod +++ b/plugins/python/nbdkit-python-plugin.pod @@ -208,6 +208,20 @@ contents will be garbage collected. def can_trim(h): # return a boolean +=item C<can_zero> + +(Optional) + + def can_zero(h): + # return a boolean + +=item C<can_fast_zero> + +(Optional) + + def can_fast_zero(h): + # return a boolean + =item C<pread> (Required) @@ -330,8 +344,6 @@ C<config_help>, C<magic_config_key>, C<can_fua>, C<can_cache>, -C<can_zero>, -C<can_fast_zero>, C<can_extents>, C<can_multi_conn>, C<extents>. diff --git a/plugins/python/python.c b/plugins/python/python.c index 5b0d0f5..01bd285 100644 --- a/plugins/python/python.c +++ b/plugins/python/python.c @@ -790,6 +790,18 @@ py_can_trim (void *handle) return boolean_callback (handle, "can_trim", "trim"); } +static int +py_can_zero (void *handle) +{ + return boolean_callback (handle, "can_zero", "zero"); +} + +static int +py_can_fast_zero (void *handle) +{ + return boolean_callback (handle, "can_fast_zero", NULL); +} + #define py_config_help \ "script=<FILENAME> (required) The Python plugin to run.\n" \ "[other arguments may be used by the plugin that you load]" @@ -816,6 +828,8 @@ static struct nbdkit_plugin plugin = { .can_write = py_can_write, .can_flush = py_can_flush, .can_trim = py_can_trim, + .can_zero = py_can_zero, + .can_fast_zero = py_can_fast_zero, .pread = py_pread, .pwrite = py_pwrite, -- 2.23.0