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authorLinus Torvalds <torvalds@linux-foundation.org>2021-02-21 11:10:39 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2021-02-21 11:10:39 -0800
commit5bbb336ba75d95611a7b9456355b48705016bdb1 (patch)
tree4cce98f859254371afa50c82cf82d042255da96a /MAINTAINERS
parent9820b4dca0f9c6b7ab8b4307286cdace171b724d (diff)
parent0b81e80c813f92520667c872d499a2dba8377be6 (diff)
Merge tag 'for-5.12/io_uring-2021-02-17' of git://git.kernel.dk/linux-block
Pull io_uring updates from Jens Axboe: "Highlights from this cycles are things like request recycling and task_work optimizations, which net us anywhere from 10-20% of speedups on workloads that mostly are inline. This work was originally done to put io_uring under memcg, which adds considerable overhead. But it's a really nice win as well. Also worth highlighting is the LOOKUP_CACHED work in the VFS, and using it in io_uring. Greatly speeds up the fast path for file opens. Summary: - Put io_uring under memcg protection. We accounted just the rings themselves under rlimit memlock before, now we account everything. - Request cache recycling, persistent across invocations (Pavel, me) - First part of a cleanup/improvement to buffer registration (Bijan) - SQPOLL fixes (Hao) - File registration NULL pointer fixup (Dan) - LOOKUP_CACHED support for io_uring - Disable /proc/thread-self/ for io_uring, like we do for /proc/self - Add Pavel to the io_uring MAINTAINERS entry - Tons of code cleanups and optimizations (Pavel) - Support for skip entries in file registration (Noah)" * tag 'for-5.12/io_uring-2021-02-17' of git://git.kernel.dk/linux-block: (103 commits) io_uring: tctx->task_lock should be IRQ safe proc: don't allow async path resolution of /proc/thread-self components io_uring: kill cached requests from exiting task closing the ring io_uring: add helper to free all request caches io_uring: allow task match to be passed to io_req_cache_free() io-wq: clear out worker ->fs and ->files io_uring: optimise io_init_req() flags setting io_uring: clean io_req_find_next() fast check io_uring: don't check PF_EXITING from syscall io_uring: don't split out consume out of SQE get io_uring: save ctx put/get for task_work submit io_uring: don't duplicate io_req_task_queue() io_uring: optimise SQPOLL mm/files grabbing io_uring: optimise out unlikely link queue io_uring: take compl state from submit state io_uring: inline io_complete_rw_common() io_uring: move res check out of io_rw_reissue() io_uring: simplify iopoll reissuing io_uring: clean up io_req_free_batch_finish() io_uring: move submit side state closer in the ring ...
Diffstat (limited to 'MAINTAINERS')
-rw-r--r--MAINTAINERS5
1 files changed, 5 insertions, 0 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index abcf7e894a37..8d4fff195af5 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6830,6 +6830,9 @@ F: include/linux/fs.h
F: include/linux/fs_types.h
F: include/uapi/linux/fs.h
F: include/uapi/linux/openat2.h
+X: fs/io-wq.c
+X: fs/io-wq.h
+X: fs/io_uring.c
FINTEK F75375S HARDWARE MONITOR AND FAN CONTROLLER DRIVER
M: Riku Voipio <riku.voipio@iki.fi>
@@ -9263,6 +9266,7 @@ F: include/uapi/linux/iommu.h
IO_URING
M: Jens Axboe <axboe@kernel.dk>
+R: Pavel Begunkov <asml.silence@gmail.com>
L: io-uring@vger.kernel.org
S: Maintained
T: git git://git.kernel.dk/linux-block
@@ -9270,6 +9274,7 @@ T: git git://git.kernel.dk/liburing
F: fs/io-wq.c
F: fs/io-wq.h
F: fs/io_uring.c
+F: include/linux/io_uring.h
F: include/uapi/linux/io_uring.h
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