Re: [PATCH 11/26] 9p: Use alternative invalidation to using launder_folio

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On Thu, 2024-03-28 at 16:34 +0000, David Howells wrote:
> Use writepages-based flushing invalidation instead of
> invalidate_inode_pages2() and ->launder_folio().  This will allow
> ->launder_folio() to be removed eventually.
> 
> Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
> cc: Eric Van Hensbergen <ericvh@xxxxxxxxxx>
> cc: Latchesar Ionkov <lucho@xxxxxxxxxx>
> cc: Dominique Martinet <asmadeus@xxxxxxxxxxxxx>
> cc: Christian Schoenebeck <linux_oss@xxxxxxxxxxxxx>
> cc: Jeff Layton <jlayton@xxxxxxxxxx>
> cc: v9fs@xxxxxxxxxxxxxxx
> cc: netfs@xxxxxxxxxxxxxxx
> cc: linux-fsdevel@xxxxxxxxxxxxxxx
> ---
>  fs/9p/vfs_addr.c | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/fs/9p/vfs_addr.c b/fs/9p/vfs_addr.c
> index 047855033d32..5a943c122d83 100644
> --- a/fs/9p/vfs_addr.c
> +++ b/fs/9p/vfs_addr.c
> @@ -89,7 +89,6 @@ static int v9fs_init_request(struct netfs_io_request *rreq, struct file *file)
>  	bool writing = (rreq->origin == NETFS_READ_FOR_WRITE ||
>  			rreq->origin == NETFS_WRITEBACK ||
>  			rreq->origin == NETFS_WRITETHROUGH ||
> -			rreq->origin == NETFS_LAUNDER_WRITE ||
>  			rreq->origin == NETFS_UNBUFFERED_WRITE ||
>  			rreq->origin == NETFS_DIO_WRITE);
>  
> @@ -141,7 +140,6 @@ const struct address_space_operations v9fs_addr_operations = {
>  	.dirty_folio		= netfs_dirty_folio,
>  	.release_folio		= netfs_release_folio,
>  	.invalidate_folio	= netfs_invalidate_folio,
> -	.launder_folio		= netfs_launder_folio,
>  	.direct_IO		= noop_direct_IO,
>  	.writepages		= netfs_writepages,
>  };
> 

Shouldn't this include a call to filemap_invalidate_inode? Is just
removing launder_folio enough to do this?

-- 
Jeff Layton <jlayton@xxxxxxxxxx>





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