Question about sendfile

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Subject: Question about sendfile
From: Hao Xu <haoxu@xxxxxxxxxxxxxxxxx>
Date: Sat, 3 Jul 2021 18:47:28 +0800
Cc: Jens Axboe <axboe@xxxxxxxxx>, io-uring <io-uring@xxxxxxxxxxxxxxx>, Joseph Qi <joseph.qi@xxxxxxxxxxxxxxxxx>
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:78.0) Gecko/20100101 Thunderbird/78.10.1

Hi Pavel,
I found this mail about sendfile in the maillist, may I ask why it's not
good to have one pipe each for a io-wq thread.
https://lore.kernel.org/io-uring/94dbbb15-4751-d03c-01fd-d25a0fe98e25@xxxxxxxxx/

Thanks,
Hao

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