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| author |   Jens Axboe <axboe@kernel.dk> | 2020-01-28 10:15:23 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-01-28 17:45:31 -0700 |
| commit | 75c6a03904e0dd414a4d99a3072075cb5117e5bc (patch) | |
| tree | e32857a196c48554c0a1b746410286d4e4e130f0 /include/uapi | |
| parent | io_uring: allow registering credentials (diff) | |
| download | wireguard-linux-75c6a03904e0dd414a4d99a3072075cb5117e5bc.tar.xz wireguard-linux-75c6a03904e0dd414a4d99a3072075cb5117e5bc.zip | |
io_uring: support using a registered personality for commands
For personalities previously registered via IORING_REGISTER_PERSONALITY,
allow any command to select them. This is done through setting
sqe->personality to the id returned from registration, and then flagging
sqe->flags with IOSQE_PERSONALITY.
Reviewed-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/linux/io_uring.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/uapi/linux/io_uring.h b/include/uapi/linux/io_uring.h index b4ccf31db2d1..98105ff8d3e6 100644 --- a/include/uapi/linux/io_uring.h +++ b/include/uapi/linux/io_uring.h @@ -40,7 +40,12 @@ struct io_uring_sqe { }; __u64 user_data; /* data to be passed back at completion time */ union { - __u16 buf_index; /* index into fixed buffers, if used */ + struct { + /* index into fixed buffers, if used */ + __u16 buf_index; + /* personality to use, if used */ + __u16 personality; + }; __u64 __pad2[3]; }; }; |