From c6dc54dd91bbf597942b4975b8adec660a16827d Mon Sep 17 00:00:00 2001
From: David Howells <dhowells@redhat.com>
Date: Fri, 25 Feb 2022 12:27:53 +0000
Subject: [PATCH] netfs: Add a hook to allow tell the netfs to update its
i_size
Add a hook for netfslib's write helpers to call to tell the network
filesystem that it should update its i_size.
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
cc: linux-cachefs@redhat.com
cc: linux-fsdevel@vger.kernel.org
cc: linux-mm@kvack.org
---
include/linux/netfs.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/include/linux/netfs.h b/include/linux/netfs.h
index f302123a3e384..3fc41f616621b 100644
--- a/include/linux/netfs.h
+++ b/include/linux/netfs.h
@@ -242,6 +242,7 @@ struct netfs_request_ops {
void (*free_request)(struct netfs_io_request *rreq);
void (*free_subrequest)(struct netfs_io_subrequest *rreq);
+ /* Read request handling */
void (*expand_readahead)(struct netfs_io_request *rreq);
bool (*clamp_length)(struct netfs_io_subrequest *subreq);
void (*issue_read)(struct netfs_io_subrequest *subreq);
@@ -249,6 +250,9 @@ struct netfs_request_ops {
int (*check_write_begin)(struct file *file, loff_t pos, unsigned len,
struct folio **foliop, void **_fsdata);
void (*done)(struct netfs_io_request *rreq);
+
+ /* Modification handling */
+ void (*update_i_size)(struct inode *inode, loff_t i_size);
};
/*
--
2.30.2