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authorLinus Torvalds <torvalds@linux-foundation.org>2020-12-16 12:44:05 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2020-12-16 12:44:05 -0800
commit48aba79bcf6ea05148dc82ad9c40713960b00396 (patch)
tree768ced0b8a924b8adb82771a797942cb5fd6ce1e /init
parent005b2a9dc819a1265a8c765595f8f6d88d6173d9 (diff)
parent59850d226e4907a6f37c1d2fe5ba97546a8691a4 (diff)
Merge tag 'for-5.11/io_uring-2020-12-14' of git://git.kernel.dk/linux-block
Pull io_uring updates from Jens Axboe: "Fairly light set of changes this time around, and mostly some bits that were pushed out to 5.11 instead of 5.10, fixes/cleanups, and a few features. In particular: - Cleanups around iovec import (David Laight, Pavel) - Add timeout support for io_uring_enter(2), which enables us to clean up liburing and avoid a timeout sqe submission in the completion path. The big win here is that it allows setups that split SQ and CQ handling into separate threads to avoid locking, as the CQ side will no longer submit when timeouts are needed when waiting for events (Hao Xu) - Add support for socket shutdown, and renameat/unlinkat. - SQPOLL cleanups and improvements (Xiaoguang Wang) - Allow SQPOLL setups for CAP_SYS_NICE, and enable regular (non-fixed) files to be used. - Cancelation improvements (Pavel) - Fixed file reference improvements (Pavel) - IOPOLL related race fixes (Pavel) - Lots of other little fixes and cleanups (mostly Pavel)" * tag 'for-5.11/io_uring-2020-12-14' of git://git.kernel.dk/linux-block: (43 commits) io_uring: fix io_cqring_events()'s noflush io_uring: fix racy IOPOLL flush overflow io_uring: fix racy IOPOLL completions io_uring: always let io_iopoll_complete() complete polled io io_uring: add timeout update io_uring: restructure io_timeout_cancel() io_uring: fix files cancellation io_uring: use bottom half safe lock for fixed file data io_uring: fix miscounting ios_left io_uring: change submit file state invariant io_uring: check kthread stopped flag when sq thread is unparked io_uring: share fixed_file_refs b/w multiple rsrcs io_uring: replace inflight_wait with tctx->wait io_uring: don't take fs for recvmsg/sendmsg io_uring: only wake up sq thread while current task is in io worker context io_uring: don't acquire uring_lock twice io_uring: initialize 'timeout' properly in io_sq_thread() io_uring: refactor io_sq_thread() handling io_uring: always batch cancel in *cancel_files() io_uring: pass files into kill timeouts/poll ...
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