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| author | Jens Axboe <axboe@kernel.dk> | 2020-10-15 17:38:03 -0600 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-10-17 09:25:46 -0600 |
| commit | 500a373d731ac506612db12631ec21295c1ff360 (patch) | |
| tree | e2f3e0f98abb185d1d52765b6ccd4c16558d6727 /include/linux/io_uring.h | |
| parent | 5c3462cfd123b341c9d3c947c1a2bab373f1697f (diff) | |
| download | linux-500a373d731ac506612db12631ec21295c1ff360.tar.bz2 | |
io_uring: assign new io_identity for task if members have changed
This avoids doing a copy for each new async IO, if some parts of the
io_identity has changed. We avoid reference counting for the normal
fast path of nothing ever changing.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/linux/io_uring.h')
| -rw-r--r-- | include/linux/io_uring.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/io_uring.h b/include/linux/io_uring.h index bd3346194bca..607d14f61132 100644 --- a/include/linux/io_uring.h +++ b/include/linux/io_uring.h @@ -24,7 +24,8 @@ struct io_uring_task { struct wait_queue_head wait; struct file *last; atomic_long_t req_issue; - struct io_identity identity; + struct io_identity __identity; + struct io_identity *identity; /* completion side */ bool in_idle ____cacheline_aligned_in_smp; |