Commit 040a82be authored by David Howells's avatar David Howells
Browse files

netfs: Rearrange netfs_io_subrequest to put request pointer first 



Rearrange the netfs_io_subrequest struct to put the netfs_io_request
pointer (rreq) first.  This then allows netfs_io_subrequest to be put in a
union with a pointer to a wrapper around netfs_io_request.  This will be
useful in the future for cifs and maybe ceph.

Signed-off-by: default avatarDavid Howells <dhowells@redhat.com>
cc: Steve French <sfrench@samba.org>
cc: Shyam Prasad N <nspmangalore@gmail.com>
cc: Rohith Surabattula <rohiths.msft@gmail.com>
cc: Jeff Layton <jlayton@kernel.org>
cc: linux-cifs@vger.kernel.org
cc: linux-cachefs@redhat.com
cc: linux-fsdevel@vger.kernel.org
cc: linux-mm@kvack.org
parent 252cf7b2

include/linux/netfs.h

+1 −1
Original line number Diff line number Diff line
@@ -204,8 +204,8 @@ struct netfs_cache_resources { 
 * the pages it points to can be relied on to exist for the duration.

 */

struct netfs_io_subrequest {

	struct work_struct	work;

	struct netfs_io_request *rreq;		/* Supervising I/O request */

	struct work_struct	work;

	struct list_head	rreq_link;	/* Link in rreq->subrequests */

	struct iov_iter		io_iter;	/* Iterator for this subrequest */

	loff_t			start;		/* Where to start the I/O */