[PATCH 15/15] xfs: Use filemap_huge_fault

[Matthew Wilcox]

From: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>

Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
---
 fs/xfs/xfs_file.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index d952d5962e93..9445196f8056 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -1156,6 +1156,8 @@ __xfs_filemap_fault(
 	} else {
 		if (write_fault)
 			ret = iomap_page_mkwrite(vmf, &xfs_iomap_ops);
+		else if (pe_size)
+			ret = filemap_huge_fault(vmf, pe_size);
 		else
 			ret = filemap_fault(vmf);
 	}
@@ -1181,9 +1183,6 @@ xfs_filemap_huge_fault(
 	struct vm_fault		*vmf,
 	enum page_entry_size	pe_size)
 {
-	if (!IS_DAX(file_inode(vmf->vma->vm_file)))
-		return VM_FAULT_FALLBACK;
-
 	/* DAX can shortcut the normal fault path on write faults! */
 	return __xfs_filemap_fault(vmf, pe_size,
 			(vmf->flags & FAULT_FLAG_WRITE));
-- 
2.23.0