6bb09fa1b4
In preparation for removing kmap from directory handling, use offset_in_page() to calculate 'from'. Matches ext2. Link: https://lkml.kernel.org/r/20231127143036.2425-4-konishi.ryusuke@gmail.com Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Signed-off-by: Ryusuke Konishi <konishi.ryusuke@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>