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io_uring/notif: remove notif registration

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We're going to remove the userspace exposed zerocopy notification API,
remove notification registration.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/6ff00b97be99869c386958a990593c9c31cf105b.1662027856.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov
2022-09-01 11:54:03 +01:00
committed by Jens Axboe
parent d9808ceb31
commit 57f332246a
5 changed files with 1 additions and 103 deletions
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8
include/uapi/linux/io_uring.h
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@@ -279,14 +279,10 @@ enum io_uring_op {
*
* IORING_RECVSEND_FIXED_BUF Use registered buffers, the index is stored in
* the buf_index field.
*
* IORING_RECVSEND_NOTIF_FLUSH Flush a notification after a successful
* successful. Only for zerocopy sends.
*/
#define IORING_RECVSEND_POLL_FIRST (1U << 0)
#define IORING_RECV_MULTISHOT (1U << 1)
#define IORING_RECVSEND_FIXED_BUF (1U << 2)
#define IORING_RECVSEND_NOTIF_FLUSH (1U << 3)
/*
* accept flags stored in sqe->ioprio
@@ -474,10 +470,6 @@ enum {
/* register a range of fixed file slots for automatic slot allocation */
IORING_REGISTER_FILE_ALLOC_RANGE = 25,
/* zerocopy notification API */
IORING_REGISTER_NOTIFIERS = 26,
IORING_UNREGISTER_NOTIFIERS = 27,
/* this goes last */
IORING_REGISTER_LAST
};