diff options
| author | Pavel Begunkov <asml.silence@gmail.com> | 2022-07-12 21:52:37 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-07-24 18:41:06 -0600 |
| commit | e70cb60893ca64b7df06864aa16c1cf6d6c671db (patch) | |
| tree | fabc1384f3e0dce1c0fc17f5b4b7612901bb8752 /include/linux/io_uring_types.h | |
| parent | e02b66512738db161e83634255e9826c8cb51336 (diff) | |
io_uring: export io_put_task()
Make io_put_task() available to non-core parts of io_uring, we'll need
it for notification infrastructure.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/3686807d4c03b72e389947b0e8692d4d44334ef0.1657643355.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/linux/io_uring_types.h')
| -rw-r--r-- | include/linux/io_uring_types.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/include/linux/io_uring_types.h b/include/linux/io_uring_types.h index d54b8b7e0746..368c34d14b13 100644 --- a/include/linux/io_uring_types.h +++ b/include/linux/io_uring_types.h @@ -4,6 +4,7 @@ #include <linux/blkdev.h> #include <linux/task_work.h> #include <linux/bitmap.h> +#include <linux/llist.h> #include <uapi/linux/io_uring.h> struct io_wq_work_node { @@ -43,6 +44,30 @@ struct io_hash_table { unsigned hash_bits; }; +/* + * Arbitrary limit, can be raised if need be + */ +#define IO_RINGFD_REG_MAX 16 + +struct io_uring_task { + /* submission side */ + int cached_refs; + const struct io_ring_ctx *last; + struct io_wq *io_wq; + struct file *registered_rings[IO_RINGFD_REG_MAX]; + + struct xarray xa; + struct wait_queue_head wait; + atomic_t in_idle; + atomic_t inflight_tracked; + struct percpu_counter inflight; + + struct { /* task_work */ + struct llist_head task_list; + struct callback_head task_work; + } ____cacheline_aligned_in_smp; +}; + struct io_uring { u32 head ____cacheline_aligned_in_smp; u32 tail ____cacheline_aligned_in_smp; |