tizen: Use unique directory prefix for baselibs packages

[platform/kernel/linux-rpi.git] / io_uring / kbuf.h

diff --git a/io_uring/kbuf.h b/io_uring/kbuf.h
index d14345e..3d0cb6b 100644 (file)
--- a/io_uring/kbuf.h
+++ b/io_uring/kbuf.h
@@ -15,6 +15,7 @@ struct io_buffer_list {
                        struct page **buf_pages;
                        struct io_uring_buf_ring *buf_ring;
                };
+               struct rcu_head rcu;
        };
        __u16 bgid;
 
@@ -28,6 +29,8 @@ struct io_buffer_list {
        __u8 is_mapped;
        /* ring mapped provided buffers, but mmap'ed by application */
        __u8 is_mmap;
+       /* bl is visible from an RCU point of view for lookup */
+       __u8 is_ready;
 };
 
 struct io_buffer {
@@ -51,6 +54,8 @@ int io_provide_buffers(struct io_kiocb *req, unsigned int issue_flags);
 int io_register_pbuf_ring(struct io_ring_ctx *ctx, void __user *arg);
 int io_unregister_pbuf_ring(struct io_ring_ctx *ctx, void __user *arg);
 
+void io_kbuf_mmap_list_free(struct io_ring_ctx *ctx);
+
 unsigned int __io_put_kbuf(struct io_kiocb *req, unsigned issue_flags);
 
 void io_kbuf_recycle_legacy(struct io_kiocb *req, unsigned issue_flags);