f2fs: Convert f2fs_write_end_io() to use a folio_iter

Iterate over each folio in the bio instead of each page.
Follow the pattern in ext4 for handling bounce folios.  Removes
a few calls to compound_head() and references to page->mapping.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Matthew Wilcox (Oracle) 2025-02-18 05:51:48 +00:00 • committed by Jaegeuk Kim
commit fb9660481e