f2fs: Use a folio in __get_node_page()

Retrieve a folio from the page cache and use it throughout.  Saves six
hidden calls to compound_head() and removes a reference 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 05:51:46 +00:00 • committed by Jaegeuk Kim
commit 48a34c5981