[PATCH 0/2] rust: alloc: split `Vec::set_len` into `Vec::{inc,dec}_len`

Tamir Duberstein
2025-03-16T22:32:04Z

This series is the product of a discussion[0] on the safety requirements
of `set_len`.

The patches adding `truncate`[1] and `clear`[2] will need to be updated
in light of this series.

Link: https://lore.kernel.org/all/20250315154436.65065-1-dakr@kernel.org/ [0]
Link: https://lore.kernel.org/all/20250316111644.154602-2-andrewjballance@gmail.com/ [1]
Link: https://lore.kernel.org/all/20250311-iov-iter-v1-4-f6c9134ea824@google.com/ [2]
Signed-off-by: Tamir Duberstein <tamird@gmail.com>
---
Tamir Duberstein (2):
rust: alloc: replace `Vec::set_len` with `inc_len`
rust: alloc: add `Vec::dec_len`

rust/kernel/alloc/kvec.rs | 34 ++++++++++++++++++++++++----------
rust/kernel/str.rs | 2 +-
rust/kernel/uaccess.rs | 2 +-
3 files changed, 26 insertions(+), 12 deletions(-)
---
base-commit: cf25bc61f8aecad9b0c45fe32697e35ea4b13378
change-id: 20250316-vec-set-len-99be6cc48374

Best regards,
--
Tamir Duberstein <tamird@gmail.com>