fs: Convert aops->write_begin to take a folio

Convert all callers from working on a page to working on one page
of a folio (support for working on an entire folio can come later).
Removes a lot of folio->page->folio conversions.

Reviewed-by: Josef Bacik <[email protected]>
Signed-off-by: Matthew Wilcox (Oracle) <[email protected]>
Signed-off-by: Christian Brauner <[email protected]>

1 files changed, 2 insertions, 2 deletions

diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c
index f4b9db4b4df2..ea23872ba24f 100644
--- a/fs/reiserfs/inode.c
+++ b/fs/reiserfs/inode.c
@@ -2735,7 +2735,7 @@ static void reiserfs_truncate_failed_write(struct inode *inode)
 static int reiserfs_write_begin(struct file *file,
 				struct address_space *mapping,
 				loff_t pos, unsigned len,
-				struct page **pagep, void **fsdata)
+				struct folio **foliop, void **fsdata)
 {
 	struct inode *inode;
 	struct folio *folio;
@@ -2749,7 +2749,7 @@ static int reiserfs_write_begin(struct file *file,
 			mapping_gfp_mask(mapping));
 	if (IS_ERR(folio))
 		return PTR_ERR(folio);
-	*pagep = &folio->page;
+	*foliop = folio;
 
 	reiserfs_wait_on_write_block(inode->i_sb);
 	fix_tail_page_for_writing(&folio->page);