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From: David Howells <dhowells@redhat.com>
To: Eric Van Hensbergen <ericvh@kernel.org>,
	Dominique Martinet <asmadeus@codewreck.org>,
	Latchesar Ionkov <lucho@ionkov.net>
Cc: David Howells <dhowells@redhat.com>,
	Christian Schoenebeck <linux_oss@crudebyte.com>,
	Matthew Wilcox <willy@infradead.org>,
	Jeff Layton <jlayton@kernel.org>,
	Christian Brauner <christian@brauner.io>,
	netfs@lists.linux.dev,
	v9fs@lists.linux.dev,
	linux-fsdevel@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: [RFC PATCH 1/3] 9p: Enable large folio support
Date: Mon, 29 Jan 2024 11:54:35 +0000
Message-ID: <20240129115512.1281624-2-dhowells@redhat.com>
In-Reply-To: <20240129115512.1281624-1-dhowells@redhat.com>
References: <20240129115512.1281624-1-dhowells@redhat.com>
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From: Dominique Martinet <asmadeus@codewreck.org>

Enable large folio support in 9P now that the VM/VFS data I/O interface is
handled through netfslib.

Signed-off-by: David Howells <dhowells@redhat.com>
cc: Eric Van Hensbergen <ericvh@kernel.org>
cc: Latchesar Ionkov <lucho@ionkov.net>
cc: Dominique Martinet <asmadeus@codewreck.org>
cc: Christian Schoenebeck <linux_oss@crudebyte.com>
cc: Matthew Wilcox <willy@infradead.org>
cc: v9fs@lists.linux.dev
cc: netfs@lists.linux.dev
---
 fs/9p/vfs_inode.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 32572982f72e..ca9f504b9daf 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -262,6 +262,7 @@ int v9fs_init_inode(struct v9fs_session_info *v9ses,
 	inode->i_rdev = rdev;
 	simple_inode_init_ts(inode);
 	inode->i_mapping->a_ops = &v9fs_addr_operations;
+	mapping_set_large_folios(inode->i_mapping);
 	inode->i_private = NULL;
 
 	switch (mode & S_IFMT) {