From: David Howells <dhowells@redhat.com>
To: Jeff Layton <jlayton@kernel.org>, Steve French <smfrench@gmail.com>
Cc: David Howells <dhowells@redhat.com>,
Matthew Wilcox <willy@infradead.org>,
Marc Dionne <marc.dionne@auristor.com>,
Paulo Alcantara <pc@manguebit.com>,
Shyam Prasad N <sprasad@microsoft.com>,
Tom Talpey <tom@talpey.com>,
Dominique Martinet <asmadeus@codewreck.org>,
Eric Van Hensbergen <ericvh@kernel.org>,
Ilya Dryomov <idryomov@gmail.com>,
Christian Brauner <christian@brauner.io>,
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 v4 08/39] netfs: Add a ->free_subrequest() op
Date: Wed, 13 Dec 2023 15:23:18 +0000 [thread overview]
Message-ID: <20231213152350.431591-9-dhowells@redhat.com> (raw)
In-Reply-To: <20231213152350.431591-1-dhowells@redhat.com>
Add a ->free_subrequest() op so that the netfs can clean up data attached
to a subrequest.
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Jeff Layton <jlayton@kernel.org>
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);
next prev parent reply other threads:[~2023-12-13 15:24 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-13 15:23 [PATCH v4 00/39] netfs, afs, 9p: Delegate high-level I/O to netfslib David Howells
2023-12-13 15:23 ` [PATCH v4 01/39] netfs, fscache: Move fs/fscache/* into fs/netfs/ David Howells
2023-12-13 15:23 ` [PATCH v4 02/39] netfs, fscache: Combine fscache with netfs David Howells
2023-12-13 15:23 ` [PATCH v4 03/39] netfs, fscache: Remove ->begin_cache_operation David Howells
2023-12-13 15:23 ` [PATCH v4 04/39] netfs, fscache: Move /proc/fs/fscache to /proc/fs/netfs and put in a symlink David Howells
2023-12-13 15:23 ` [PATCH v4 05/39] netfs: Move pinning-for-writeback from fscache to netfs David Howells
2023-12-13 15:23 ` [PATCH v4 06/39] netfs: Add a procfile to list in-progress requests David Howells
2023-12-13 15:59 ` Jeff Layton
2023-12-13 15:23 ` [PATCH v4 07/39] netfs: Allow the netfs to make the io (sub)request alloc larger David Howells
2023-12-13 15:23 ` David Howells [this message]
2023-12-13 15:23 ` [PATCH v4 09/39] afs: Don't use folio->private to record partial modification David Howells
2023-12-13 15:23 ` [PATCH v4 10/39] netfs: Provide invalidate_folio and release_folio calls David Howells
2023-12-13 16:05 ` Jeff Layton
2023-12-13 15:23 ` [PATCH v4 11/39] netfs: Implement unbuffered/DIO vs buffered I/O locking David Howells
2023-12-13 16:08 ` Jeff Layton
2023-12-13 16:30 ` Jeff Layton
2023-12-13 15:23 ` [PATCH v4 12/39] netfs: Add iov_iters to (sub)requests to describe various buffers David Howells
2023-12-13 16:37 ` Jeff Layton
2023-12-19 14:31 ` David Howells
2023-12-19 14:40 ` David Howells
2023-12-13 15:23 ` [PATCH v4 13/39] netfs: Add support for DIO buffering David Howells
2023-12-13 15:23 ` [PATCH v4 14/39] netfs: Provide tools to create a buffer in an xarray David Howells
2023-12-13 15:23 ` [PATCH v4 15/39] netfs: Add bounce buffering support David Howells
2023-12-13 15:23 ` [PATCH v4 16/39] netfs: Add func to calculate pagecount/size-limited span of an iterator David Howells
2023-12-13 15:23 ` [PATCH v4 17/39] netfs: Limit subrequest by size or number of segments David Howells
2023-12-13 15:23 ` [PATCH v4 18/39] netfs: Export netfs_put_subrequest() and some tracepoints David Howells
2023-12-13 18:01 ` Jeff Layton
2023-12-19 14:42 ` David Howells
2023-12-19 14:48 ` David Howells
2023-12-13 15:23 ` [PATCH v4 19/39] netfs: Extend the netfs_io_*request structs to handle writes David Howells
2023-12-13 15:23 ` [PATCH v4 20/39] netfs: Add a hook to allow tell the netfs to update its i_size David Howells
2023-12-13 15:23 ` [PATCH v4 21/39] netfs: Make netfs_put_request() handle a NULL pointer David Howells
2023-12-13 15:23 ` [PATCH v4 22/39] netfs: Make the refcounting of netfs_begin_read() easier to use David Howells
2023-12-13 15:23 ` [PATCH v4 23/39] netfs: Prep to use folio->private for write grouping and streaming write David Howells
2023-12-13 15:23 ` [PATCH v4 24/39] netfs: Dispatch write requests to process a writeback slice David Howells
2023-12-13 15:23 ` [PATCH v4 25/39] netfs: Provide func to copy data to pagecache for buffered write David Howells
2023-12-13 15:23 ` [PATCH v4 26/39] netfs: Make netfs_read_folio() handle streaming-write pages David Howells
2023-12-13 15:23 ` [PATCH v4 27/39] netfs: Allocate multipage folios in the writepath David Howells
2023-12-13 15:23 ` [PATCH v4 28/39] netfs: Implement support for unbuffered/DIO read David Howells
2023-12-14 12:43 ` Jeff Layton
2023-12-19 15:46 ` David Howells
2023-12-13 15:23 ` [PATCH v4 29/39] netfs: Implement unbuffered/DIO write support David Howells
2023-12-13 15:23 ` [PATCH v4 30/39] netfs: Implement buffered write API David Howells
2023-12-13 15:23 ` [PATCH v4 31/39] netfs: Allow buffered shared-writeable mmap through netfs_page_mkwrite() David Howells
2023-12-13 15:23 ` [PATCH v4 32/39] netfs: Provide netfs_file_read_iter() David Howells
2023-12-13 15:23 ` [PATCH v4 33/39] netfs, cachefiles: Pass upper bound length to allow expansion David Howells
2023-12-13 15:23 ` [PATCH v4 34/39] netfs: Provide a writepages implementation David Howells
2023-12-13 15:23 ` [PATCH v4 35/39] netfs: Provide a launder_folio implementation David Howells
2023-12-13 15:23 ` [PATCH v4 36/39] netfs: Implement a write-through caching option David Howells
2023-12-14 13:49 ` Jeff Layton
2023-12-19 16:51 ` David Howells
2023-12-19 17:19 ` Jeff Layton
2023-12-13 15:23 ` [PATCH v4 37/39] netfs: Optimise away reads above the point at which there can be no data David Howells
2023-12-14 14:07 ` Jeff Layton
2023-12-19 16:56 ` David Howells
2023-12-13 15:23 ` [PATCH v4 38/39] afs: Use the netfs write helpers David Howells
2023-12-13 15:23 ` [PATCH v4 39/39] 9p: Use netfslib read/write_iter David Howells
2023-12-13 15:39 ` Christian Schoenebeck
2023-12-14 14:11 ` [PATCH v4 00/39] netfs, afs, 9p: Delegate high-level I/O to netfslib Jeff Layton
2023-12-15 12:03 ` Christian Brauner
2023-12-15 13:29 ` Dominique Martinet
2023-12-18 11:05 ` Christian Brauner
2023-12-20 10:04 ` David Howells
2023-12-20 13:26 ` Christian Brauner
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