[PATCH 12/23] fuse: implement large folios for iomap pagecache files

["Darrick J. Wong" <djwong@xxxxxxxxxx>]

From: Darrick J. Wong <djwong@xxxxxxxxxx>

Use large folios when we're using iomap.

Signed-off-by: "Darrick J. Wong" <djwong@xxxxxxxxxx>
---
 fs/fuse/file_iomap.c |    6 ++++++
 1 file changed, 6 insertions(+)


diff --git a/fs/fuse/file_iomap.c b/fs/fuse/file_iomap.c
index 6aa9269b504713..92cc85b5b8a8b5 100644
--- a/fs/fuse/file_iomap.c
+++ b/fs/fuse/file_iomap.c
@@ -1386,6 +1386,7 @@ static const struct address_space_operations fuse_iomap_aops = {
 static inline void fuse_inode_set_iomap(struct inode *inode)
 {
 	struct fuse_inode *fi = get_fuse_inode(inode);
+	unsigned int min_order = 0;
 
 	ASSERT(fuse_has_iomap(inode));
 
@@ -1400,6 +1401,11 @@ static inline void fuse_inode_set_iomap(struct inode *inode)
 	INIT_WORK(&fi->ioend_work, fuse_iomap_end_io);
 	INIT_LIST_HEAD(&fi->ioend_list);
 	spin_lock_init(&fi->ioend_lock);
+
+	if (inode->i_blkbits > PAGE_SHIFT)
+		min_order = inode->i_blkbits - PAGE_SHIFT;
+
+	mapping_set_folio_min_order(inode->i_mapping, min_order);
 	set_bit(FUSE_I_IOMAP, &fi->state);
 }