Hi Linus,
Fix for an issue reported where reading fdinfo could find a NULL thread
as we didn't properly synchronize, and then a disable for the
IOCB_DIO_CALLER_COMP optimization as a recent reported highlighted how
that could lead to deadlocks if the task issued async O_DIRECT writes
and then proceeded to do sync fallocate() calls.
Please pull!
The following changes since commit 8b51a3956d44ea6ade962874ade14de9a7d16556:
io_uring: fix crash with IORING_SETUP_NO_MMAP and invalid SQ ring address (2023-10-18 09:22:14 -0600)
are available in the Git repository at:
git://git.kernel.dk/linux.git tags/io_uring-6.6-2023-10-27
for you to fetch changes up to 838b35bb6a89c36da07ca39520ec071d9250334d:
io_uring/rw: disable IOCB_DIO_CALLER_COMP (2023-10-25 08:02:29 -0600)
----------------------------------------------------------------
io_uring-6.6-2023-10-27
----------------------------------------------------------------
Jens Axboe (2):
io_uring/fdinfo: lock SQ thread while retrieving thread cpu/pid
io_uring/rw: disable IOCB_DIO_CALLER_COMP
io_uring/fdinfo.c | 18 ++++++++++++------
io_uring/rw.c | 9 ---------
2 files changed, 12 insertions(+), 15 deletions(-)
--
Jens Axboe
