linux/io_uring
Pavel Begunkov 4a0fef6278 io_uring: optimize io_uring_task layout
task_work bits of io_uring_task are split into two cache lines causing
extra cache bouncing, place them into a separate cache line. Also move
the most used submission path fields closer together, so there are hot.

Cc: stable@vger.kernel.org # 5.15+
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-07-24 18:39:15 -06:00
..
advise.c io_uring: kill extra io_uring_types.h includes 2022-07-24 18:39:14 -06:00
advise.h io_uring: split out fadvise/madvise operations 2022-07-24 18:39:11 -06:00
cancel.c io_uring: kill extra io_uring_types.h includes 2022-07-24 18:39:14 -06:00
cancel.h io_uring: move a few private types to local headers 2022-07-24 18:39:14 -06:00
epoll.c io_uring: kill extra io_uring_types.h includes 2022-07-24 18:39:14 -06:00
epoll.h io_uring: move epoll handler to its own file 2022-07-24 18:39:11 -06:00
fdinfo.c io_uring: move a few private types to local headers 2022-07-24 18:39:14 -06:00
fdinfo.h io_uring: move fdinfo helpers to its own file 2022-07-24 18:39:12 -06:00
filetable.c io_uring: kill extra io_uring_types.h includes 2022-07-24 18:39:14 -06:00
filetable.h io_uring: make io_uring_types.h public 2022-07-24 18:39:14 -06:00
fs.c io_uring: kill extra io_uring_types.h includes 2022-07-24 18:39:14 -06:00
fs.h io_uring: split out filesystem related operations 2022-07-24 18:39:11 -06:00
io_uring.c io_uring: consistent naming for inline completion 2022-07-24 18:39:15 -06:00
io_uring.h io_uring: consistent naming for inline completion 2022-07-24 18:39:15 -06:00
io-wq.c io_uring: move to separate directory 2022-07-24 18:39:10 -06:00
io-wq.h io_uring: make io_uring_types.h public 2022-07-24 18:39:14 -06:00
kbuf.c io_uring: kill extra io_uring_types.h includes 2022-07-24 18:39:14 -06:00
kbuf.h io_uring: don't inline io_put_kbuf 2022-07-24 18:39:13 -06:00
Makefile io_uring: move opcode table to opdef.c 2022-07-24 18:39:12 -06:00
msg_ring.c io_uring: kill extra io_uring_types.h includes 2022-07-24 18:39:14 -06:00
msg_ring.h io_uring: move msg_ring into its own file 2022-07-24 18:39:12 -06:00
net.c io_uring: kill extra io_uring_types.h includes 2022-07-24 18:39:14 -06:00
net.h io_uring: split network related opcodes into its own file 2022-07-24 18:39:11 -06:00
nop.c io_uring: kill extra io_uring_types.h includes 2022-07-24 18:39:14 -06:00
nop.h io_uring: move nop into its own file 2022-07-24 18:39:11 -06:00
opdef.c io_uring: kill extra io_uring_types.h includes 2022-07-24 18:39:14 -06:00
opdef.h io_uring: move opcode table to opdef.c 2022-07-24 18:39:12 -06:00
openclose.c io_uring: kill extra io_uring_types.h includes 2022-07-24 18:39:14 -06:00
openclose.h io_uring: split out open/close operations 2022-07-24 18:39:11 -06:00
poll.c io_uring: add a warn_once for poll_find 2022-07-24 18:39:15 -06:00
poll.h io_uring: move a few private types to local headers 2022-07-24 18:39:14 -06:00
refs.h io_uring: make io_uring_types.h public 2022-07-24 18:39:14 -06:00
rsrc.c io_uring: move io_import_fixed() 2022-07-24 18:39:15 -06:00
rsrc.h io_uring: move io_import_fixed() 2022-07-24 18:39:15 -06:00
rw.c io_uring: move io_import_fixed() 2022-07-24 18:39:15 -06:00
rw.h io_uring: move read/write related opcodes to its own file 2022-07-24 18:39:12 -06:00
splice.c io_uring: kill extra io_uring_types.h includes 2022-07-24 18:39:14 -06:00
splice.h io_uring: split out splice related operations 2022-07-24 18:39:11 -06:00
sqpoll.c io_uring: kill extra io_uring_types.h includes 2022-07-24 18:39:14 -06:00
sqpoll.h io_uring: move SQPOLL related handling into its own file 2022-07-24 18:39:12 -06:00
statx.c io_uring: kill extra io_uring_types.h includes 2022-07-24 18:39:14 -06:00
statx.h io_uring: move statx handling to its own file 2022-07-24 18:39:11 -06:00
sync.c io_uring: kill extra io_uring_types.h includes 2022-07-24 18:39:14 -06:00
sync.h io_uring: split out fs related sync/fallocate functions 2022-07-24 18:39:11 -06:00
tctx.c io_uring: kill extra io_uring_types.h includes 2022-07-24 18:39:14 -06:00
tctx.h io_uring: optimize io_uring_task layout 2022-07-24 18:39:15 -06:00
timeout.c io_uring: introduce locking helpers for CQE posting 2022-07-24 18:39:14 -06:00
timeout.h io_uring: move a few private types to local headers 2022-07-24 18:39:14 -06:00
uring_cmd.c io_uring: kill extra io_uring_types.h includes 2022-07-24 18:39:14 -06:00
uring_cmd.h io_uring: move uring_cmd handling to its own file 2022-07-24 18:39:11 -06:00
xattr.c io_uring: kill extra io_uring_types.h includes 2022-07-24 18:39:14 -06:00
xattr.h io_uring: move xattr related opcodes to its own file 2022-07-24 18:39:11 -06:00