diff options
| author | Jens Axboe <axboe@kernel.dk> | 2022-05-26 05:31:09 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-07-25 03:39:12 +0300 |
| commit | 329061d3e2f9a0082a097e9558bd5497098586c6 (patch) | |
| tree | 3a0d34b89b6ef8df26c0ca04a7c60732ada208af /io_uring/opdef.h | |
| parent | cfd22e6b3319adc7c2a8a092e19ac16575dabc86 (diff) | |
| download | linux-329061d3e2f9a0082a097e9558bd5497098586c6.tar.xz | |
io_uring: move poll handling into its own file
Add a io_poll_issue() rather than export the general task_work locking
and io_issue_sqe(), and put the io_op_defs definition and structure into
a separate header file so that poll can use it.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring/opdef.h')
| -rw-r--r-- | io_uring/opdef.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/io_uring/opdef.h b/io_uring/opdef.h new file mode 100644 index 000000000000..4578adcdba8a --- /dev/null +++ b/io_uring/opdef.h @@ -0,0 +1,40 @@ +// SPDX-License-Identifier: GPL-2.0 +#ifndef IOU_OP_DEF_H +#define IOU_OP_DEF_H + +struct io_op_def { + /* needs req->file assigned */ + unsigned needs_file : 1; + /* should block plug */ + unsigned plug : 1; + /* hash wq insertion if file is a regular file */ + unsigned hash_reg_file : 1; + /* unbound wq insertion if file is a non-regular file */ + unsigned unbound_nonreg_file : 1; + /* set if opcode supports polled "wait" */ + unsigned pollin : 1; + unsigned pollout : 1; + unsigned poll_exclusive : 1; + /* op supports buffer selection */ + unsigned buffer_select : 1; + /* opcode is not supported by this kernel */ + unsigned not_supported : 1; + /* skip auditing */ + unsigned audit_skip : 1; + /* supports ioprio */ + unsigned ioprio : 1; + /* supports iopoll */ + unsigned iopoll : 1; + /* size of async data needed, if any */ + unsigned short async_size; + + const char *name; + + int (*prep)(struct io_kiocb *, const struct io_uring_sqe *); + int (*issue)(struct io_kiocb *, unsigned int); + int (*prep_async)(struct io_kiocb *); + void (*cleanup)(struct io_kiocb *); +}; + +extern const struct io_op_def io_op_defs[]; +#endif |