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Message-ID: <20231207212206.1379128-9-dhowells@redhat.com>
Date: Thu, 7 Dec 2023 21:21:15 +0000
From: David Howells <dhowells@...hat.com>
To: Jeff Layton <jlayton@...nel.org>,
Steve French <smfrench@...il.com>
Cc: David Howells <dhowells@...hat.com>,
Matthew Wilcox <willy@...radead.org>,
Marc Dionne <marc.dionne@...istor.com>,
Paulo Alcantara <pc@...guebit.com>,
Shyam Prasad N <sprasad@...rosoft.com>,
Tom Talpey <tom@...pey.com>,
Dominique Martinet <asmadeus@...ewreck.org>,
Eric Van Hensbergen <ericvh@...nel.org>,
Ilya Dryomov <idryomov@...il.com>,
Christian Brauner <christian@...uner.io>,
linux-cachefs@...hat.com,
linux-afs@...ts.infradead.org,
linux-cifs@...r.kernel.org,
linux-nfs@...r.kernel.org,
ceph-devel@...r.kernel.org,
v9fs@...ts.linux.dev,
linux-fsdevel@...r.kernel.org,
linux-mm@...ck.org,
netdev@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH v3 08/59] 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: David Howells <dhowells@...hat.com>
cc: Jeff Layton <jlayton@...nel.org>
cc: linux-cachefs@...hat.com
cc: linux-fsdevel@...r.kernel.org
cc: linux-mm@...ck.org
---
fs/netfs/objects.c | 2 ++
include/linux/netfs.h | 1 +
2 files changed, 3 insertions(+)
diff --git a/fs/netfs/objects.c b/fs/netfs/objects.c
index c4229c5f3f54..1bd20bdad983 100644
--- a/fs/netfs/objects.c
+++ b/fs/netfs/objects.c
@@ -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);
diff --git a/include/linux/netfs.h b/include/linux/netfs.h
index d6f27000eeb0..06f57d9d09f6 100644
--- a/include/linux/netfs.h
+++ b/include/linux/netfs.h
@@ -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);
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