From 97c96e9fa36616d7890a6f3438172fc501927f01 Mon Sep 17 00:00:00 2001 From: Dylan Yudaken Date: Mon, 26 Sep 2022 10:09:26 -0700 Subject: io_uring: simplify __io_uring_add_tctx_node Remove submitter parameter from __io_uring_add_tctx_node. It was only called from one place, and we can do that logic in that one place. Signed-off-by: Dylan Yudaken Fixes: 97bbdc06a444 ("io_uring: add IORING_SETUP_SINGLE_ISSUER") Signed-off-by: Jens Axboe --- io_uring/io_uring.c | 2 +- io_uring/tctx.c | 30 ++++++++++++++++++++---------- io_uring/tctx.h | 6 ++++-- 3 files changed, 25 insertions(+), 13 deletions(-) (limited to 'io_uring') diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c index 99a52f34b7d3..fe6ef64c873e 100644 --- a/io_uring/io_uring.c +++ b/io_uring/io_uring.c @@ -3355,7 +3355,7 @@ static int io_uring_install_fd(struct io_ring_ctx *ctx, struct file *file) if (fd < 0) return fd; - ret = __io_uring_add_tctx_node(ctx, false); + ret = __io_uring_add_tctx_node(ctx); if (ret) { put_unused_fd(fd); return ret; diff --git a/io_uring/tctx.c b/io_uring/tctx.c index 7f97d97fef0a..dd0205fcdb13 100644 --- a/io_uring/tctx.c +++ b/io_uring/tctx.c @@ -105,18 +105,12 @@ static int io_register_submitter(struct io_ring_ctx *ctx) return ret; } -int __io_uring_add_tctx_node(struct io_ring_ctx *ctx, bool submitter) +int __io_uring_add_tctx_node(struct io_ring_ctx *ctx) { struct io_uring_task *tctx = current->io_uring; struct io_tctx_node *node; int ret; - if ((ctx->flags & IORING_SETUP_SINGLE_ISSUER) && submitter) { - ret = io_register_submitter(ctx); - if (ret) - return ret; - } - if (unlikely(!tctx)) { ret = io_uring_alloc_task_context(current, ctx); if (unlikely(ret)) @@ -150,8 +144,24 @@ int __io_uring_add_tctx_node(struct io_ring_ctx *ctx, bool submitter) list_add(&node->ctx_node, &ctx->tctx_list); mutex_unlock(&ctx->uring_lock); } - if (submitter) - tctx->last = ctx; + return 0; +} + +int __io_uring_add_tctx_node_from_submit(struct io_ring_ctx *ctx) +{ + int ret; + + if (ctx->flags & IORING_SETUP_SINGLE_ISSUER) { + ret = io_register_submitter(ctx); + if (ret) + return ret; + } + + ret = __io_uring_add_tctx_node(ctx); + if (ret) + return ret; + + current->io_uring->last = ctx; return 0; } @@ -259,7 +269,7 @@ int io_ringfd_register(struct io_ring_ctx *ctx, void __user *__arg, return -EINVAL; mutex_unlock(&ctx->uring_lock); - ret = __io_uring_add_tctx_node(ctx, false); + ret = __io_uring_add_tctx_node(ctx); mutex_lock(&ctx->uring_lock); if (ret) return ret; diff --git a/io_uring/tctx.h b/io_uring/tctx.h index 25974beed4d6..608e96de70a2 100644 --- a/io_uring/tctx.h +++ b/io_uring/tctx.h @@ -9,7 +9,8 @@ struct io_tctx_node { int io_uring_alloc_task_context(struct task_struct *task, struct io_ring_ctx *ctx); void io_uring_del_tctx_node(unsigned long index); -int __io_uring_add_tctx_node(struct io_ring_ctx *ctx, bool submitter); +int __io_uring_add_tctx_node(struct io_ring_ctx *ctx); +int __io_uring_add_tctx_node_from_submit(struct io_ring_ctx *ctx); void io_uring_clean_tctx(struct io_uring_task *tctx); void io_uring_unreg_ringfd(void); @@ -27,5 +28,6 @@ static inline int io_uring_add_tctx_node(struct io_ring_ctx *ctx) if (likely(tctx && tctx->last == ctx)) return 0; - return __io_uring_add_tctx_node(ctx, true); + + return __io_uring_add_tctx_node_from_submit(ctx); } -- cgit v1.2.3