io_uring/net: don't retry recvmsg() unnecessarily

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If we're doing multishot receives, then we always end up doing two trips
through sock_recvmsg(). For protocols that sanely set msghdr->msg_inq,
then we don't need to waste time picking a new buffer and attempting a
new receive if there's nothing there.

Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Jens Axboe 2023-05-17 12:23:41 -06:00

parent 7d41bcb7f3

commit a2741c58ac

1 changed files with 9 additions and 1 deletions

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io_uring/net.c

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