diff options
Diffstat (limited to 'io_uring/kbuf.h')
| -rw-r--r-- | io_uring/kbuf.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/io_uring/kbuf.h b/io_uring/kbuf.h index 9be5960817..038091a004 100644 --- a/io_uring/kbuf.h +++ b/io_uring/kbuf.h @@ -25,12 +25,12 @@ struct io_buffer_list { __u16 head; __u16 mask; + atomic_t refs; + /* ring mapped provided buffers */ __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 { @@ -53,6 +53,7 @@ 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); +int io_register_pbuf_status(struct io_ring_ctx *ctx, void __user *arg); void io_kbuf_mmap_list_free(struct io_ring_ctx *ctx); @@ -60,7 +61,9 @@ unsigned int __io_put_kbuf(struct io_kiocb *req, unsigned issue_flags); bool io_kbuf_recycle_legacy(struct io_kiocb *req, unsigned issue_flags); -void *io_pbuf_get_address(struct io_ring_ctx *ctx, unsigned long bgid); +void io_put_bl(struct io_ring_ctx *ctx, struct io_buffer_list *bl); +struct io_buffer_list *io_pbuf_get_bl(struct io_ring_ctx *ctx, + unsigned long bgid); static inline bool io_kbuf_recycle_ring(struct io_kiocb *req) { |