linux-kernel - [PATCH 1/2] io_uring/rsrc: declare io_find_buf

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Message-ID: <20250301001610.678223-1-csander@purestorage.com>
Date: Fri, 28 Feb 2025 17:16:07 -0700
From: Caleb Sander Mateos <csander@...estorage.com>
To: Jens Axboe <axboe@...nel.dk>,
	Pavel Begunkov <asml.silence@...il.com>
Cc: Caleb Sander Mateos <csander@...estorage.com>,
	io-uring@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] io_uring/rsrc: declare io_find_buf_node() in header file

Declare io_find_buf_node() in io_uring/rsrc.h so it can be called from
other files.

Signed-off-by: Caleb Sander Mateos <csander@...estorage.com>
---
 io_uring/rsrc.c | 4 ++--
 io_uring/rsrc.h | 2 ++
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/io_uring/rsrc.c b/io_uring/rsrc.c
index 45bfb37bca1e..4c4f57cd77f9 100644
--- a/io_uring/rsrc.c
+++ b/io_uring/rsrc.c
@@ -1066,12 +1066,12 @@ static int io_import_fixed(int ddir, struct iov_iter *iter,
 	}
 
 	return 0;
 }
 
-static inline struct io_rsrc_node *io_find_buf_node(struct io_kiocb *req,
-						    unsigned issue_flags)
+struct io_rsrc_node *io_find_buf_node(struct io_kiocb *req,
+				      unsigned issue_flags)
 {
 	struct io_ring_ctx *ctx = req->ctx;
 	struct io_rsrc_node *node;
 
 	if (req->flags & REQ_F_BUF_NODE)
diff --git a/io_uring/rsrc.h b/io_uring/rsrc.h
index 6fe7b9e615bf..8f912aa6bcc9 100644
--- a/io_uring/rsrc.h
+++ b/io_uring/rsrc.h
@@ -53,10 +53,12 @@ void io_rsrc_cache_free(struct io_ring_ctx *ctx);
 struct io_rsrc_node *io_rsrc_node_alloc(struct io_ring_ctx *ctx, int type);
 void io_free_rsrc_node(struct io_ring_ctx *ctx, struct io_rsrc_node *node);
 void io_rsrc_data_free(struct io_ring_ctx *ctx, struct io_rsrc_data *data);
 int io_rsrc_data_alloc(struct io_rsrc_data *data, unsigned nr);
 
+struct io_rsrc_node *io_find_buf_node(struct io_kiocb *req,
+				      unsigned issue_flags);
 int io_import_reg_buf(struct io_kiocb *req, struct iov_iter *iter,
 			u64 buf_addr, size_t len, int ddir,
 			unsigned issue_flags);
 
 int io_register_clone_buffers(struct io_ring_ctx *ctx, void __user *arg);
-- 
2.45.2