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>,
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 v2 04/51] netfs: Add a ->free_subrequest() op
Date: Fri, 17 Nov 2023 21:14:56 +0000 [thread overview]
Message-ID: <20231117211544.1740466-5-dhowells@redhat.com> (raw)
In-Reply-To: <20231117211544.1740466-1-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 ddd55b35e650..0633cd9644e1 100644
--- a/include/linux/netfs.h
+++ b/include/linux/netfs.h
@@ -216,6 +216,7 @@ 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);
int (*begin_cache_operation)(struct netfs_io_request *rreq);
void (*expand_readahead)(struct netfs_io_request *rreq);
next prev parent reply other threads:[~2023-11-17 21:16 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-17 21:14 [PATCH v2 00/51] netfs, afs, cifs: Delegate high-level I/O to netfslib David Howells
2023-11-17 21:14 ` [PATCH v2 01/51] netfs: Add a procfile to list in-progress requests David Howells
2023-11-17 21:14 ` [PATCH v2 02/51] netfs: Track the fpos above which the server has no data David Howells
2023-11-17 21:14 ` [PATCH v2 03/51] netfs: Allow the netfs to make the io (sub)request alloc larger David Howells
2023-11-17 21:14 ` David Howells [this message]
2023-11-17 21:14 ` [PATCH v2 05/51] afs: Don't use folio->private to record partial modification David Howells
2023-11-17 21:14 ` [PATCH v2 06/51] netfs: Provide invalidate_folio and release_folio calls David Howells
2023-11-17 21:14 ` [PATCH v2 07/51] netfs: Implement unbuffered/DIO vs buffered I/O locking David Howells
2023-11-17 21:15 ` [PATCH v2 08/51] netfs: Add iov_iters to (sub)requests to describe various buffers David Howells
2023-11-17 21:15 ` [PATCH v2 09/51] netfs: Add support for DIO buffering David Howells
2023-11-17 21:15 ` [PATCH v2 10/51] netfs: Provide tools to create a buffer in an xarray David Howells
2023-11-17 21:15 ` [PATCH v2 11/51] netfs: Add bounce buffering support David Howells
2023-11-17 21:15 ` [PATCH v2 12/51] netfs: Add func to calculate pagecount/size-limited span of an iterator David Howells
2023-11-17 21:15 ` [PATCH v2 13/51] netfs: Limit subrequest by size or number of segments David Howells
2023-11-17 21:15 ` [PATCH v2 14/51] netfs: Export netfs_put_subrequest() and some tracepoints David Howells
2023-11-17 21:15 ` [PATCH v2 15/51] netfs: Extend the netfs_io_*request structs to handle writes David Howells
2023-11-17 21:15 ` [PATCH v2 16/51] netfs: Add a hook to allow tell the netfs to update its i_size David Howells
2023-11-17 21:15 ` [PATCH v2 17/51] netfs: Make netfs_put_request() handle a NULL pointer David Howells
2023-11-17 21:15 ` [PATCH v2 18/51] fscache: Add a function to begin an cache op from a netfslib request David Howells
2023-11-17 21:15 ` [PATCH v2 19/51] netfs: Make the refcounting of netfs_begin_read() easier to use David Howells
2023-11-17 21:15 ` [PATCH v2 20/51] netfs: Prep to use folio->private for write grouping and streaming write David Howells
2023-11-17 21:15 ` [PATCH v2 21/51] netfs: Dispatch write requests to process a writeback slice David Howells
2023-11-17 21:15 ` [PATCH v2 22/51] netfs: Provide func to copy data to pagecache for buffered write David Howells
2023-11-17 21:15 ` [PATCH v2 23/51] netfs: Make netfs_read_folio() handle streaming-write pages David Howells
2023-11-17 21:15 ` [PATCH v2 24/51] netfs: Allocate multipage folios in the writepath David Howells
2023-11-17 21:15 ` [PATCH v2 25/51] netfs: Implement support for unbuffered/DIO read David Howells
2023-11-17 21:15 ` [PATCH v2 26/51] netfs: Implement unbuffered/DIO write support David Howells
2023-11-17 21:15 ` [PATCH v2 27/51] netfs: Implement buffered write API David Howells
2023-11-17 21:15 ` [PATCH v2 28/51] netfs: Allow buffered shared-writeable mmap through netfs_page_mkwrite() David Howells
2023-11-17 21:15 ` [PATCH v2 29/51] netfs: Provide netfs_file_read_iter() David Howells
2023-11-17 21:15 ` [PATCH v2 30/51] netfs: Provide a writepages implementation David Howells
2023-11-17 21:15 ` [PATCH v2 31/51] netfs: Provide minimum blocksize parameter David Howells
2023-11-17 21:15 ` [PATCH v2 32/51] netfs: Make netfs_skip_folio_read() take account of blocksize David Howells
2023-11-17 21:15 ` [PATCH v2 33/51] netfs: Perform content encryption David Howells
2023-11-17 21:15 ` [PATCH v2 34/51] netfs: Decrypt encrypted content David Howells
2023-11-17 21:15 ` [PATCH v2 35/51] netfs: Support decryption on ubuffered/DIO read David Howells
2023-11-17 21:15 ` [PATCH v2 36/51] netfs: Support encryption on Unbuffered/DIO write David Howells
2023-11-17 21:15 ` [PATCH v2 37/51] netfs: Provide a launder_folio implementation David Howells
2023-11-17 21:15 ` [PATCH v2 38/51] netfs: Implement a write-through caching option David Howells
2023-11-17 21:15 ` [PATCH v2 39/51] netfs: Rearrange netfs_io_subrequest to put request pointer first David Howells
2023-11-17 21:15 ` [PATCH v2 40/51] afs: Use the netfs write helpers David Howells
2023-11-17 21:15 ` [PATCH v2 41/51] cifs: Replace cifs_readdata with a wrapper around netfs_io_subrequest David Howells
2023-11-17 21:15 ` [PATCH v2 42/51] cifs: Share server EOF pos with netfslib David Howells
2023-11-17 21:15 ` [PATCH v2 43/51] cifs: Replace cifs_writedata with a wrapper around netfs_io_subrequest David Howells
2023-11-17 21:15 ` [PATCH v2 44/51] cifs: Use more fields from netfs_io_subrequest David Howells
2023-11-17 21:15 ` [PATCH v2 45/51] cifs: Make wait_mtu_credits take size_t args David Howells
2023-11-17 21:15 ` [PATCH v2 46/51] cifs: Implement netfslib hooks David Howells
2023-11-17 21:15 ` [PATCH v2 47/51] cifs: Move cifs_loose_read_iter() and cifs_file_write_iter() to file.c David Howells
2023-11-17 21:15 ` [PATCH v2 48/51] cifs: Cut over to using netfslib David Howells
2023-11-17 21:15 ` [PATCH v2 49/51] cifs: Remove some code that's no longer used, part 1 David Howells
2023-11-17 21:15 ` [PATCH v2 50/51] cifs: Remove some code that's no longer used, part 2 David Howells
2023-11-17 21:15 ` [PATCH v2 51/51] cifs: Remove some code that's no longer used, part 3 David Howells
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