diff options
| author | Pavel Begunkov <asml.silence@gmail.com> | 2024-03-18 22:00:23 +0000 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2024-04-15 08:10:24 -0600 |
| commit | da12d9ab5889b87429d9375748dcd1485b6241f3 (patch) | |
| tree | 28dfd8813758545a060e7c7c3d67c1ee068f06a5 /io_uring/uring_cmd.c | |
| parent | 0bbac3facb5d6cc0171c45c9873a2dc96bea9680 (diff) | |
io_uring/cmd: move io_uring_try_cancel_uring_cmd()
io_uring_try_cancel_uring_cmd() is a part of the cmd handling so let's
move it closer to all cmd bits into uring_cmd.c
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Tested-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/43a3937af4933655f0fd9362c381802f804f43de.1710799188.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring/uring_cmd.c')
| -rw-r--r-- | io_uring/uring_cmd.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/io_uring/uring_cmd.c b/io_uring/uring_cmd.c index 42f63adfa54a..1551848a9394 100644 --- a/io_uring/uring_cmd.c +++ b/io_uring/uring_cmd.c @@ -14,6 +14,36 @@ #include "rsrc.h" #include "uring_cmd.h" +bool io_uring_try_cancel_uring_cmd(struct io_ring_ctx *ctx, + struct task_struct *task, bool cancel_all) +{ + struct hlist_node *tmp; + struct io_kiocb *req; + bool ret = false; + + lockdep_assert_held(&ctx->uring_lock); + + hlist_for_each_entry_safe(req, tmp, &ctx->cancelable_uring_cmd, + hash_node) { + struct io_uring_cmd *cmd = io_kiocb_to_cmd(req, + struct io_uring_cmd); + struct file *file = req->file; + + if (!cancel_all && req->task != task) + continue; + + if (cmd->flags & IORING_URING_CMD_CANCELABLE) { + /* ->sqe isn't available if no async data */ + if (!req_has_async_data(req)) + cmd->sqe = NULL; + file->f_op->uring_cmd(cmd, IO_URING_F_CANCEL); + ret = true; + } + } + io_submit_flush_completions(ctx); + return ret; +} + static void io_uring_cmd_del_cancelable(struct io_uring_cmd *cmd, unsigned int issue_flags) { |