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-rw-r--r--io_uring/io_uring.c2
-rw-r--r--io_uring/kbuf.c10
-rw-r--r--io_uring/kbuf.h24
3 files changed, 13 insertions, 23 deletions
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index 969caaccce9d..ec98a0ec6f34 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -397,7 +397,7 @@ static bool req_need_defer(struct io_kiocb *req, u32 seq)
static void io_clean_op(struct io_kiocb *req)
{
if (unlikely(req->flags & REQ_F_BUFFER_SELECTED))
- io_kbuf_drop(req);
+ io_kbuf_drop_legacy(req);
if (req->flags & REQ_F_NEED_CLEANUP) {
const struct io_cold_def *def = &io_cold_defs[req->opcode];
diff --git a/io_uring/kbuf.c b/io_uring/kbuf.c
index d612e4c15b0e..815fb58da3ba 100644
--- a/io_uring/kbuf.c
+++ b/io_uring/kbuf.c
@@ -50,6 +50,16 @@ static int io_buffer_add_list(struct io_ring_ctx *ctx,
return xa_err(xa_store(&ctx->io_bl_xa, bgid, bl, GFP_KERNEL));
}
+void io_kbuf_drop_legacy(struct io_kiocb *req)
+{
+ if (WARN_ON_ONCE(!(req->flags & REQ_F_BUFFER_SELECTED)))
+ return;
+ req->buf_index = req->kbuf->bgid;
+ req->flags &= ~REQ_F_BUFFER_SELECTED;
+ kfree(req->kbuf);
+ req->kbuf = NULL;
+}
+
bool io_kbuf_recycle_legacy(struct io_kiocb *req, unsigned issue_flags)
{
struct io_ring_ctx *ctx = req->ctx;
diff --git a/io_uring/kbuf.h b/io_uring/kbuf.h
index 055b7a672f2e..3e18c916afc6 100644
--- a/io_uring/kbuf.h
+++ b/io_uring/kbuf.h
@@ -75,6 +75,7 @@ int io_unregister_pbuf_ring(struct io_ring_ctx *ctx, void __user *arg);
int io_register_pbuf_status(struct io_ring_ctx *ctx, void __user *arg);
bool io_kbuf_recycle_legacy(struct io_kiocb *req, unsigned issue_flags);
+void io_kbuf_drop_legacy(struct io_kiocb *req);
struct io_mapped_region *io_pbuf_get_region(struct io_ring_ctx *ctx,
unsigned int bgid);
@@ -158,27 +159,6 @@ static inline bool __io_put_kbuf_ring(struct io_kiocb *req, int len, int nr)
return ret;
}
-static inline void __io_put_kbuf_list(struct io_kiocb *req, int len)
-{
- if (req->flags & REQ_F_BUFFER_RING) {
- __io_put_kbuf_ring(req, len, 1);
- } else {
- req->buf_index = req->kbuf->bgid;
- req->flags &= ~REQ_F_BUFFER_SELECTED;
- kfree(req->kbuf);
- req->kbuf = NULL;
- }
-}
-
-static inline void io_kbuf_drop(struct io_kiocb *req)
-{
- if (!(req->flags & (REQ_F_BUFFER_SELECTED|REQ_F_BUFFER_RING)))
- return;
-
- /* len == 0 is fine here, non-ring will always drop all of it */
- __io_put_kbuf_list(req, 0);
-}
-
static inline unsigned int __io_put_kbufs(struct io_kiocb *req, int len,
int nbufs, unsigned issue_flags)
{
@@ -192,7 +172,7 @@ static inline unsigned int __io_put_kbufs(struct io_kiocb *req, int len,
if (!__io_put_kbuf_ring(req, len, nbufs))
ret |= IORING_CQE_F_BUF_MORE;
} else {
- __io_put_kbuf_list(req, len);
+ io_kbuf_drop_legacy(req);
}
return ret;
}