ext4: Convert ext4_finish_bio() to use folios

Prepare ext4 to support large folios in the page writeback path.
Also set the actual error in the mapping, not just -EIO.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
Reviewed-by: Theodore Ts'o <tytso@mit.edu>
Link: https://lore.kernel.org/r/20230324180129.1220691-5-willy@infradead.org
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Matthew Wilcox 2023-03-24 18:01:04 +00:00 • committed by Theodore Ts'o
commit bb64c08bff