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io_uring: refactor io_submit_flush_completions 

Don't init req_batch before we actually need it. Also, add a small clean
up for req declaration.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/ad85512e12bd3a20d521e9782750300970e5afc8.1624739600.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov 2021-06-26 21:40:48 +01:00 committed by Jens Axboe
parent 4cfb25bf88
commit 5182ed2e33
1 changed files with 5 additions and 5 deletions
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10
fs/io_uring.c
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@ -2132,22 +2132,22 @@ static void io_submit_flush_completions(struct io_ring_ctx *ctx)
{
struct io_comp_state *cs = &ctx->submit_state.comp;
int i, nr = cs->nr;
struct io_kiocb *req;
struct req_batch rb;
io_init_req_batch(&rb);
spin_lock_irq(&ctx->completion_lock);
for (i = 0; i < nr; i++) {
req = cs->reqs[i];
struct io_kiocb *req = cs->reqs[i];
__io_cqring_fill_event(ctx, req->user_data, req->result,
req->compl.cflags);
}
io_commit_cqring(ctx);
spin_unlock_irq(&ctx->completion_lock);
io_cqring_ev_posted(ctx);
io_init_req_batch(&rb);
for (i = 0; i < nr; i++) {
req = cs->reqs[i];
struct io_kiocb *req = cs->reqs[i];
/* submission and completion refs */
if (req_ref_sub_and_test(req, 2))