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linux-stable/io_uring
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David Howells 6bcc79a4e7 net: Declare MSG_SPLICE_PAGES internal sendmsg() flag 
[ Upstream commit b841b901c4 ]

Declare MSG_SPLICE_PAGES, an internal sendmsg() flag, that hints to a
network protocol that it should splice pages from the source iterator
rather than copying the data if it can.  This flag is added to a list that
is cleared by sendmsg syscalls on entry.

This is intended as a replacement for the ->sendpage() op, allowing a way
to splice in several multipage folios in one go.

Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
cc: Jens Axboe <axboe@kernel.dk>
cc: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Stable-dep-of: a0002127cd ("udp: move udp->no_check6_tx to udp->udp_flags")
Signed-off-by: Sasha Levin <sashal@kernel.org>
 		2024-01-10 17:10:27 +01:00
..
Makefile
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advise.c io_uring: make io_kiocb_to_cmd() typesafe 2022-08-12 17:01:00 -06:00
advise.h
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alloc_cache.h io_uring: fix poll/netmsg alloc caches 2023-04-06 12:10:52 +02:00
cancel.c io_uring/cancel: re-grab ctx mutex after finishing wait 2023-01-12 12:02:38 +01:00
cancel.h
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epoll.c io_uring: undeprecate epoll_ctl support 2023-06-09 10:34:23 +02:00
epoll.h
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fdinfo.c io_uring/fdinfo: lock SQ thread while retrieving thread cpu/pid 2023-11-02 09:35:29 +01:00
fdinfo.h
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filetable.c io_uring/rsrc: fix null-ptr-deref in io_file_bitmap_get() 2023-03-30 12:49:25 +02:00
filetable.h io_uring: kill hot path fixed file bitmap debug checks 2022-10-16 17:07:53 -06:00
fs.c io_uring/fs: consider link->flags when getting path for LINKAT 2023-12-03 07:32:11 +01:00
fs.h
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io-wq.c io_uring/sqpoll: fix io-wq affinity when IORING_SETUP_SQPOLL is used 2023-09-19 12:27:54 +02:00
io-wq.h io_uring/sqpoll: fix io-wq affinity when IORING_SETUP_SQPOLL is used 2023-09-19 12:27:54 +02:00
io_uring.c io_uring: fix mutex_unlock with unreferenced ctx 2023-12-13 18:39:18 +01:00
io_uring.h io_uring: mark task TASK_RUNNING before handling resume/task work 2023-03-10 09:34:07 +01:00
kbuf.c io_uring/kbuf: Allow the full buffer id space for provided buffers 2023-11-20 11:52:00 +01:00
kbuf.h io_uring: allow buffer recycling in READV 2022-09-21 10:30:43 -06:00
msg_ring.c io_uring/msg_ring: fix missing lock on overflow for IOPOLL 2023-08-30 16:11:05 +02:00
msg_ring.h io_uring: get rid of double locking 2023-08-30 16:11:04 +02:00
net.c net: Declare MSG_SPLICE_PAGES internal sendmsg() flag 2024-01-10 17:10:27 +01:00
net.h io_uring/net: zerocopy sendmsg 2022-09-21 13:15:02 -06:00
nop.c
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nop.h
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notif.c io_uring/net: introduce IORING_SEND_ZC_REPORT_USAGE flag 2022-12-31 13:33:11 +01:00
notif.h io_uring/net: introduce IORING_SEND_ZC_REPORT_USAGE flag 2022-12-31 13:33:11 +01:00
opdef.c io_uring: get rid of double locking 2023-08-30 16:11:04 +02:00
opdef.h io_uring: dont remove file from msg_ring reqs 2022-12-31 13:33:12 +01:00
openclose.c io_uring: correct check for O_TMPFILE 2023-08-16 18:27:24 +02:00
openclose.h
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poll.c io_uring: always lock in io_apoll_task_func 2023-09-19 12:27:54 +02:00
poll.h io_uring/poll: allow some retries for poll triggering spuriously 2023-03-11 13:55:43 +01:00
refs.h
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rsrc.c io_uring: fix off-by one bvec index 2023-12-03 07:32:13 +01:00
rsrc.h io_uring/af_unix: disable sending io_uring over sockets 2023-12-13 18:39:17 +01:00
rw.c io_uring: kiocb_done() should *not* trust ->ki_pos if ->{read,write}_iter() failed 2023-11-08 14:11:02 +01:00
rw.h io_uring/rw: don't lose partial IO result on fail 2022-09-21 13:15:02 -06:00
slist.h
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splice.c io_uring: make io_kiocb_to_cmd() typesafe 2022-08-12 17:01:00 -06:00
splice.h
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sqpoll.c io_uring: Don't set affinity on a dying sqpoll thread 2023-09-19 12:27:54 +02:00
sqpoll.h io_uring/sqpoll: fix io-wq affinity when IORING_SETUP_SQPOLL is used 2023-09-19 12:27:54 +02:00
statx.c io_uring: make io_kiocb_to_cmd() typesafe 2022-08-12 17:01:00 -06:00
statx.h
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sync.c io_uring: make io_kiocb_to_cmd() typesafe 2022-08-12 17:01:00 -06:00
sync.h
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tctx.c io_uring: remove io_register_submitter 2022-10-07 12:25:30 -06:00
tctx.h io_uring: simplify __io_uring_add_tctx_node 2022-10-07 12:25:30 -06:00
timeout.c io_uring: annotate offset timeout races 2023-08-11 12:08:24 +02:00
timeout.h io_uring: remove unused return from io_disarm_next 2022-09-21 13:15:01 -06:00
uring_cmd.c block/io_uring: pass in issue_flags for uring_cmd task_work handling 2023-04-06 12:10:51 +02:00
uring_cmd.h
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xattr.c __io_setxattr(): constify path 2022-09-01 17:39:05 -04:00
xattr.h
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