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| author | Pavel Begunkov <asml.silence@gmail.com> | 2022-07-12 23:52:49 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-07-25 03:41:07 +0300 |
| commit | 492dddb4f6e3a5839c27d41ff1fecdbe6c3ab851 (patch) | |
| tree | 3c5448264dd8bd85577f57b7084a9c1cfd370917 /include/uapi/linux/io_uring.h | |
| parent | 4379d5f15b3fd4224c37841029178aa8082a242e (diff) | |
| download | linux-492dddb4f6e3a5839c27d41ff1fecdbe6c3ab851.tar.xz | |
io_uring: add zc notification flush requests
Overlay notification control onto IORING_OP_RSRC_UPDATE (former
IORING_OP_FILES_UPDATE). It allows to flush a range of zc notifications
from slots with indexes [sqe->off, sqe->off+sqe->len). If sqe->arg is
not zero, it also copies sqe->arg as a new tag for all flushed
notifications.
Note, it doesn't flush a notification of a slot if there was no requests
attached to it (since last flush or registration).
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/df13e2363400682a73dd9e71c3b990b8d1ff0333.1657643355.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/uapi/linux/io_uring.h')
| -rw-r--r-- | include/uapi/linux/io_uring.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/linux/io_uring.h b/include/uapi/linux/io_uring.h index 210a00ab6301..1463cfecb56b 100644 --- a/include/uapi/linux/io_uring.h +++ b/include/uapi/linux/io_uring.h @@ -297,6 +297,7 @@ enum io_uring_op { */ enum { IORING_RSRC_UPDATE_FILES, + IORING_RSRC_UPDATE_NOTIF, }; /* |