block: fix warning on compile with CONFIG_BLOCK



struct io_context was not defined, just add an empty forward decl.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

parent d6d48196

include/linux/blkdev.h

+1 −0

Original line number	Original line	Diff line number	Diff line
	@@ -825,6 +825,7 @@ static inline void exit_io_context(void)
	{		{
	}		}

			struct io_context;
	static inline int put_io_context(struct io_context *ioc)		static inline int put_io_context(struct io_context *ioc)
	{		{
	return 1;		return 1;