[v8,0/2] io_uring: add support for ftruncate

Message

Tony Solomonik Jan. 29, 2024, 3:15 p.m. UTC

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 do_ftruncate that truncates a struct file
  io_uring: add support for ftruncate

 fs/internal.h                 |  1 +
 fs/open.c                     | 52 +++++++++++++++++++----------------
 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, 94 insertions(+), 24 deletions(-)
 create mode 100644 io_uring/truncate.c
 create mode 100644 io_uring/truncate.h


base-commit: d3fa86b1a7b4cdc4367acacea16b72e0a200b3d7