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Author SHA1 Message Date
Jens Axboe f49eca2156 io_uring: add generic command payload type to struct io_kiocb 
Each opcode generally has a command structure in io_kiocb which it can
use to store data associated with that request.

In preparation for having the core layer not know about what's inside
these fields, add a generic io_cmd_data type and put in the union as
well.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
 2022-07-24 18:39:10 -06:00
Jens Axboe dc919caff6 io_uring: move req async preparation into opcode handler 
Define an io_op_def->prep_async() handler and push the async preparation
to there. Since we now have that, we can drop ->needs_async_setup, as
they mean the same thing.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
 2022-07-24 18:39:10 -06:00
Jens Axboe ed29b0b4fd io_uring: move to separate directory 
In preparation for splitting io_uring up a bit, move it into its own
top level directory. It didn't really belong in fs/ anyway, as it's
not a file system only API.

This adds io_uring/ and moves the core files in there, and updates the
MAINTAINERS file for the new location.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
 2022-07-24 18:39:10 -06:00