From 3aecf4ea2628208b12be329403a87a47c630dc37 Mon Sep 17 00:00:00 2001 From: Pavel Begunkov Date: Wed, 15 Apr 2020 00:39:49 +0300 Subject: [PATCH] io_uring: kill already cached timeout.seq_offset to #28170604 commit b55ce732004989c85bf9d858c03e6d477cf9023b upstream req->timeout.count and req->io->timeout.seq_offset store the same value, which is sqe->off. Kill the second one Signed-off-by: Pavel Begunkov Signed-off-by: Jens Axboe Acked-by: Joseph Qi Signed-off-by: Xiaoguang Wang --- fs/io_uring.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/fs/io_uring.c b/fs/io_uring.c index f2ec5e3ed857..52901472d851 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -357,7 +357,6 @@ struct io_timeout_data { struct hrtimer timer; struct timespec64 ts; enum hrtimer_mode mode; - u32 seq_offset; }; struct io_accept { @@ -385,7 +384,7 @@ struct io_timeout { struct file *file; u64 addr; int flags; - unsigned count; + u32 count; }; struct io_rw { @@ -4709,11 +4708,11 @@ static int io_timeout_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe, static int io_timeout(struct io_kiocb *req) { - unsigned count; struct io_ring_ctx *ctx = req->ctx; struct io_timeout_data *data; struct list_head *entry; unsigned span = 0; + u32 count = req->timeout.count; u32 seq = req->sequence; data = &req->io->timeout; @@ -4723,7 +4722,6 @@ static int io_timeout(struct io_kiocb *req) * timeout event to be satisfied. If it isn't set, then this is * a pure timeout request, sequence isn't used. */ - count = req->timeout.count; if (!count) { req->flags |= REQ_F_TIMEOUT_NOSEQ; spin_lock_irq(&ctx->completion_lock); @@ -4732,7 +4730,6 @@ static int io_timeout(struct io_kiocb *req) } req->sequence = seq + count; - data->seq_offset = count; /* * Insertion sort, ensuring the first entry in the list is always @@ -4743,7 +4740,7 @@ static int io_timeout(struct io_kiocb *req) struct io_kiocb *nxt = list_entry(entry, struct io_kiocb, list); unsigned nxt_seq; long long tmp, tmp_nxt; - u32 nxt_offset = nxt->io->timeout.seq_offset; + u32 nxt_offset = nxt->timeout.count; if (nxt->flags & REQ_F_TIMEOUT_NOSEQ) continue; -- GitLab