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Thu, 7 Dec 2023 21:22:35 +0000 (UTC) From: David Howells To: Jeff Layton , Steve French Cc: David Howells , Matthew Wilcox , Marc Dionne , Paulo Alcantara , Shyam Prasad N , Tom Talpey , Dominique Martinet , Eric Van Hensbergen , Ilya Dryomov , Christian Brauner , linux-cachefs@redhat.com, linux-afs@lists.infradead.org, linux-cifs@vger.kernel.org, linux-nfs@vger.kernel.org, ceph-devel@vger.kernel.org, v9fs@lists.linux.dev, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 08/59] netfs: Add a ->free_subrequest() op Date: Thu, 7 Dec 2023 21:21:15 +0000 Message-ID: <20231207212206.1379128-9-dhowells@redhat.com> In-Reply-To: <20231207212206.1379128-1-dhowells@redhat.com> References: <20231207212206.1379128-1-dhowells@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.7 X-Stat-Signature: hfy7n4k3xfhb7gngs9futzghxp583q7c X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 87439C000F X-Rspam-User: X-HE-Tag: 1701984164-624345 X-HE-Meta: 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 2d6f8+dd Nm6m6meyux9D7/VaqFD0UAOfiY6I5F3qDioD+6Z9c1eLXF0VFTgnjQ++DQewOH7nNwomFgfuZXzA5C/D+YRl+cKpBm/PK/glZLleCLP/WmF5Yd/dgWla+mcOk1yCzYNH/CsQaxeY8Pn8enjV/1BuATc2DdlOzz5g+VP4aCX+221CuPXH3e7ef/elMZHdlEeNJ49zA+DDpGJLdHtVHdlzCHW9y9QJsBp4sS9VePkA01/hOlLDkIowhTBPyikMrfeh1LV6t6Rej2mt75++a+LQc8EkuKa8Ge+lkedPTHNaa8ihKcxvED4CQtzkNibcsa5UexHjKWOjdtley5jXOKq7Td4IJKg== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Add a ->free_subrequest() op so that the netfs can clean up data attached to a subrequest. Signed-off-by: David Howells cc: Jeff Layton cc: linux-cachefs@redhat.com cc: linux-fsdevel@vger.kernel.org cc: linux-mm@kvack.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);