Commit 5f5ce7ba authored by David Howells's avatar David Howells
Browse files

netfs: Add a ->free_subrequest() op 



Add a ->free_subrequest() op so that the netfs can clean up data attached
to a subrequest.

Signed-off-by: default avatarDavid Howells <dhowells@redhat.com>
Reviewed-by: default avatarJeff Layton <jlayton@kernel.org>
cc: linux-cachefs@redhat.com
cc: linux-fsdevel@vger.kernel.org
cc: linux-mm@kvack.org
parent cc3cb0a1

fs/netfs/objects.c

+2 −0
Original line number Diff line number Diff line
@@ -145,6 +145,8 @@ static void netfs_free_subrequest(struct netfs_io_subrequest *subreq, 
	struct netfs_io_request *rreq = subreq->rreq;



	trace_netfs_sreq(subreq, netfs_sreq_trace_free);

	if (rreq->netfs_ops->free_subrequest)

		rreq->netfs_ops->free_subrequest(subreq);

	kfree(subreq);

	netfs_stat_d(&netfs_n_rh_sreq);

	netfs_put_request(rreq, was_async, netfs_rreq_trace_put_subreq);

include/linux/netfs.h

+1 −0
Original line number Diff line number Diff line
@@ -214,6 +214,7 @@ struct netfs_request_ops { 
	unsigned int	io_subrequest_size;	/* Alloc size for netfs_io_subrequest struct */

	int (*init_request)(struct netfs_io_request *rreq, struct file *file);

	void (*free_request)(struct netfs_io_request *rreq);

	void (*free_subrequest)(struct netfs_io_subrequest *rreq);



	void (*expand_readahead)(struct netfs_io_request *rreq);

	bool (*clamp_length)(struct netfs_io_subrequest *subreq);