[PATCH v2][SMB3 client] smb3: use filemap_write_and_wait_range instead of filemap_write_and_wait

[David Howells]

Steve French <smfrench at gmail.com> wrote:

> Subject: [PATCH] smb3: use filemap_write_and_wait_range instead of
>  filemap_write_and_wait
> 
> When doing insert range and collapse range we should be
> writing out the cached pages for the ranges affected but not
> the whole file.
> 
> Cc: stable at vger.kernel.org
> Signed-off-by: Steve French <stfrench at microsoft.com>

Reviewed-by: David Howells <dhowells at redhat.com>