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Similar to what I just did for OCaml (this IS an API break, requiring recompilation of any existing Rust plugin), and done because I want to add fast_zero support to both languages as part of my upcoming fast zero series. Figuring out how to get extents working was hard enough that I punted that, still. Eric Blake (2): rust: Implement can_cache rust: Add support for dynamic .thread_model

...lt;nbdkit-plugin(3)/THREADS>. =back +=head2 Missing callbacks + +=over 4 + +=item Missing: C<can_extents> and C<extents> + +These are not yet supported. + +=back + =head1 SEE ALSO L<nbdkit(1)>, diff --git a/plugins/rust/src/lib.rs b/plugins/rust/src/lib.rs index a3dbf43e..25af2fe6 100644 --- a/plugins/rust/src/lib.rs +++ b/plugins/rust/src/lib.rs @@ -93,6 +93,15 @@ pub struct Plugin { pub magic_config_key: *const c_char, pub can_multi_conn: Option<extern fn (h: *mut c_void) -> c_int>, + + // Slots for extents functions, which needs more integration. +...

...her fields as required. plugin.close = Some (ramdisk_close); plugin.pwrite = Some (ramdisk_pwrite); + plugin.thread_model = Some (ramdisk_thread_model); // Return the pointer. let plugin = Box::new(plugin); diff --git a/plugins/rust/src/lib.rs b/plugins/rust/src/lib.rs index 25af2fe6..e369ecbe 100644 --- a/plugins/rust/src/lib.rs +++ b/plugins/rust/src/lib.rs @@ -36,6 +36,7 @@ use std::os::raw::{c_char, c_int, c_void}; // function must return. #[repr(C)] pub struct Plugin { + // Do not modify these three fields directly. _struct_size: u64, _api_version: c_int,...

....close = Some (ramdisk_close); > plugin.pwrite = Some (ramdisk_pwrite); > + plugin.thread_model = Some (ramdisk_thread_model); > > // Return the pointer. > let plugin = Box::new(plugin); > diff --git a/plugins/rust/src/lib.rs b/plugins/rust/src/lib.rs > index 25af2fe6..e369ecbe 100644 > --- a/plugins/rust/src/lib.rs > +++ b/plugins/rust/src/lib.rs > @@ -36,6 +36,7 @@ use std::os::raw::{c_char, c_int, c_void}; > // function must return. > #[repr(C)] > pub struct Plugin { > + // Do not modify these three fields directly. > _struc...