On 1/24/24 1:52 AM, Cedric Blancher wrote: > On Wed, 24 Jan 2024 at 09:33, Tony Solomonik <tony.solomonik@xxxxxxxxx> 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 fallocate has been supported for years. -- Jens Axboe
