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[v5,20/40] netfs: Add a hook to allow tell the netfs to update its i_size

Message ID 20231221132400.1601991-21-dhowells@redhat.com
State New
Headers show
Series netfs, afs, 9p: Delegate high-level I/O to netfslib | expand

Commit Message

David Howells Dec. 21, 2023, 1:23 p.m. UTC 
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(+)
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Patch

diff --git a/include/linux/netfs.h b/include/linux/netfs.h
index d08bd37bc3ce..f87193fa0f16 100644
--- a/include/linux/netfs.h
+++ b/include/linux/netfs.h
@@ -243,6 +243,7 @@  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);
@@ -250,6 +251,9 @@  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);
 };
 
 /*