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| author | Pavel Begunkov <asml.silence@gmail.com> | 2022-07-12 23:52:46 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-07-25 03:41:07 +0300 |
| commit | 10c7d33ecd51619e453cf6aeee8e326f8ba5cfea (patch) | |
| tree | e473ba70aa25adc7c0c07293892525d136cce808 /io_uring/notif.c | |
| parent | 092aeedb750a9fad0f0252d6067fc91d76ca44bd (diff) | |
| download | linux-10c7d33ecd51619e453cf6aeee8e326f8ba5cfea.tar.xz | |
io_uring: sendzc with fixed buffers
Allow zerocopy sends to use fixed buffers. There is an optimisation for
this case, the network layer don't need to reference the pages, see
SKBFL_MANAGED_FRAG_REFS, so io_uring have to ensure validity of fixed
buffers until the notifier is released.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/e1d8bd1b5934e541d90c1824eb4020ae3f5f43f3.1657643355.git.asml.silence@gmail.com
[axboe: fold in 32-bit pointer cast warning fix]
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring/notif.c')
0 files changed, 0 insertions, 0 deletions