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io_uring: remove IORING_CLOSE_FD_AND_FILE_SLOT

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This partially reverts a7c41b4687

Even though IORING_CLOSE_FD_AND_FILE_SLOT might save cycles for some
users, but it tries to do two things at a time and it's not clear how to
handle errors and what to return in a single result field when one part
fails and another completes well. Kill it for now.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/837c745019b3795941eee4fcfd7de697886d645b.1655224415.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov 2022-06-14 17:51:18 +01:00 • committed by Jens Axboe
parent aa165d6d2b
commit d884b6498d
2 changed files with 3 additions and 15 deletions
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6
include/uapi/linux/io_uring.h
View file

@ -47,7 +47,6 @@ struct io_uring_sqe {
__u32 unlink_flags;
__u32 hardlink_flags;
__u32 xattr_flags;
__u32 close_flags;
};
__u64 user_data; /* data to be passed back at completion time */
/* pack this to avoid bogus arm OABI complaints */
@ -259,11 +258,6 @@ enum io_uring_op {
*/
#define IORING_ACCEPT_MULTISHOT (1U << 0)
/*
* close flags, store in sqe->close_flags
*/
#define IORING_CLOSE_FD_AND_FILE_SLOT (1U << 0)
/*
* IO completion data structure (Completion Queue Entry)
*/