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(parent: 0719e10) | patch
io_uring/zcrx: notify user on frag copy fallback
authorClément Léger <cleger@meta.com>
Tue, 19 May 2026 11:44:33 +0000 (12:44 +0100)
committerJens Axboe <axboe@kernel.dk>
Tue, 26 May 2026 16:42:01 +0000 (10:42 -0600)
commit255180f7034f48aa5b0c8df70228307394bddbb9
treea4bccc913785f78ff456ea00eb852e4242859986tree | snapshot
parent0719e10d826aa0ba4840917d0261986eaead9a51commit | diff
io_uring/zcrx: notify user on frag copy fallback

Add a ZCRX_NOTIF_COPY notification type to signal userspace when a
received fragment could not be delivered using zero-copy and was
instead copied into a buffer.

Signed-off-by: Clément Léger <cleger@meta.com>
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://patch.msgid.link/3d54bcd8bf10b3a1e88beb0cd39c40c3937bea4f.1779189667.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
include/uapi/linux/io_uring/zcrx.h diff | blob | blame | history
io_uring/zcrx.c diff | blob | blame | history
io_uring/zcrx.h diff | blob | blame | history
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