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See Patch 2 for more details. liburing support: https://github.com/isilence/liburing.git sq-rewind Tested by forcing liburing to enable the flag for compatible setups. Pavel Begunkov (2): io_uring: check for user passing 0 nr_submit io_uring: introduce non-circular SQ include/uapi/linux/io_uring.h | 6 ++++++ io_uring/io_uring.c | 34 +++++++++++++++++++++++++--------- io_uring/io_uring.h | 3 ++- 3 files changed, 33 insertions(+), 10 deletions(-) -- 2.49.0