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| author | Pavel Begunkov <asml.silence@gmail.com> | 2022-06-15 17:33:52 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-07-24 18:39:13 -0600 |
| commit | 48c13d8980840e489a537e4af4b2503eb9d8a1ec (patch) | |
| tree | 0b14a735134240cbb8dcca7733dd6e19de2e156a | |
| parent | aa1e90f64ee5c82f6d3feb69b2a19370686f1f02 (diff) | |
| download | linux-stable-48c13d8980840e489a537e4af4b2503eb9d8a1ec.tar.gz linux-stable-48c13d8980840e489a537e4af4b2503eb9d8a1ec.tar.bz2 linux-stable-48c13d8980840e489a537e4af4b2503eb9d8a1ec.zip | |
io_uring: explain io_wq_work::cancel_seq placement
Add a comment on why we keep ->cancel_seq in struct io_wq_work instead
of struct io_kiocb despite it needed only by io_uring but not io-wq.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/988e87eec9dc700b5dae933df3aefef303502f6c.1655310733.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | io_uring/io-wq.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/io_uring/io-wq.h b/io_uring/io-wq.h index ba6eee76d028..3f54ee2a8eeb 100644 --- a/io_uring/io-wq.h +++ b/io_uring/io-wq.h @@ -155,6 +155,7 @@ struct io_wq_work_node *wq_stack_extract(struct io_wq_work_node *stack) struct io_wq_work { struct io_wq_work_node list; unsigned flags; + /* place it here instead of io_kiocb as it fills padding and saves 4B */ int cancel_seq; }; |