[PATCH 0/7] File abstractions needed by Rust Binder

[Alice Ryhl <aliceryhl@google.com>]

This patchset contains the file abstractions needed by the Rust
implementation of the Binder driver.

Please see the Rust Binder RFC for usage examples:
https://lore.kernel.org/rust-for-linux/20231101-rust-binder-v1-0-08ba9197f637@google.com/

Users of "rust: file: add Rust abstraction for `struct file`":
	[PATCH RFC 02/20] rust_binder: add binderfs support to Rust binder
	[PATCH RFC 03/20] rust_binder: add threading support

Users of "rust: cred: add Rust abstraction for `struct cred`":
	[PATCH RFC 05/20] rust_binder: add nodes and context managers
	[PATCH RFC 06/20] rust_binder: add oneway transactions
	[PATCH RFC 11/20] rust_binder: send nodes in transaction
	[PATCH RFC 13/20] rust_binder: add BINDER_TYPE_FD support

Users of "rust: security: add abstraction for security_secid_to_secctx":
	[PATCH RFC 06/20] rust_binder: add oneway transactions

Users of "rust: file: add `FileDescriptorReservation`":
	[PATCH RFC 13/20] rust_binder: add BINDER_TYPE_FD support
	[PATCH RFC 14/20] rust_binder: add BINDER_TYPE_FDA support

Users of "rust: file: add kuid getters":
	[PATCH RFC 05/20] rust_binder: add nodes and context managers
	[PATCH RFC 06/20] rust_binder: add oneway transactions

Users of "rust: file: add `DeferredFdCloser`":
	[PATCH RFC 14/20] rust_binder: add BINDER_TYPE_FDA support

Users of "rust: file: add abstraction for `poll_table`":
	[PATCH RFC 07/20] rust_binder: add epoll support

This patchset has some uses of read_volatile in place of READ_ONCE.
Please see the following rfc for context on this:
https://lore.kernel.org/all/20231025195339.1431894-1-boqun.feng@gmail.com/

This was previously sent as an rfc:
https://lore.kernel.org/all/20230720152820.3566078-1-aliceryhl@google.com/

Signed-off-by: Alice Ryhl <aliceryhl@google.com>
---
Alice Ryhl (4):
      rust: security: add abstraction for security_secid_to_secctx
      rust: file: add `Kuid` wrapper
      rust: file: add `DeferredFdCloser`
      rust: file: add abstraction for `poll_table`

Wedson Almeida Filho (3):
      rust: file: add Rust abstraction for `struct file`
      rust: cred: add Rust abstraction for `struct cred`
      rust: file: add `FileDescriptorReservation`

 rust/bindings/bindings_helper.h |   9 ++
 rust/bindings/lib.rs            |   1 +
 rust/helpers.c                  |  94 +++++++++++
 rust/kernel/cred.rs             |  73 +++++++++
 rust/kernel/file.rs             | 345 ++++++++++++++++++++++++++++++++++++++++
 rust/kernel/file/poll_table.rs  |  97 +++++++++++
 rust/kernel/lib.rs              |   3 +
 rust/kernel/security.rs         |  78 +++++++++
 rust/kernel/sync/condvar.rs     |   2 +-
 rust/kernel/task.rs             |  71 ++++++++-
 10 files changed, 771 insertions(+), 2 deletions(-)
---
base-commit: 98b1cc82c4affc16f5598d4fa14b1858671b2263
change-id: 20231123-alice-file-525b98e8a724

Best regards,
-- 
Alice Ryhl <aliceryhl@google.com>