Re: [PATCH v5 0/2] io_uring: add support for ftruncate

[Cedric Blancher <cedric.blancher@gmail.com>]

On Wed, 24 Jan 2024 at 09:33, Tony Solomonik <tony.solomonik@gmail.com> wrote:
>
> This patch adds support for doing truncate through io_uring, eliminating
> the need for applications to roll their own thread pool or offload
> mechanism to be able to do non-blocking truncates.
>
> Tony Solomonik (2):
>   Add ftruncate_file that truncates a struct file
>   io_uring: add support for ftruncate
>
>  fs/internal.h                 |  1 +
>  fs/open.c                     | 53 ++++++++++++++++++-----------------
>  include/uapi/linux/io_uring.h |  1 +
>  io_uring/Makefile             |  2 +-
>  io_uring/opdef.c              | 10 +++++++
>  io_uring/truncate.c           | 48 +++++++++++++++++++++++++++++++
>  io_uring/truncate.h           |  4 +++
>  7 files changed, 93 insertions(+), 26 deletions(-)
>  create mode 100644 io_uring/truncate.c
>  create mode 100644 io_uring/truncate.h
>
>
> base-commit: d3fa86b1a7b4cdc4367acacea16b72e0a200b3d7

Also fallocate() to punch holes, aka sparse files, must be implemented

Ced
-- 
Cedric Blancher <cedric.blancher@gmail.com>
[https://plus.google.com/u/0/+CedricBlancher/]
Institute Pasteur