fs: kernfs: Adding new return type vm_fault_t

Use new return type vm_fault_t for page_mkwrite and fault handler. For now, this is just documenting that the function returns a VM_FAULT value rather than an errno. Once all instances are converted, vm_fault_t will become a distinct type. Reference id -> 1c8f422 ("mm: change return type to vm_fault_t") Signed-off-by: Souptick Joarder <[email protected]> Reviewed-by: Matthew Wilcox <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
ambv · Apr 23, 2018 · 9ee8446 · 9ee8446
1 parent 60cc43f
commit 9ee8446
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/fs/kernfs/file.c b/fs/kernfs/file.c
@@ -348,11 +348,11 @@ static void kernfs_vma_open(struct vm_area_struct *vma)
 	kernfs_put_active(of->kn);
 }
 
-static int kernfs_vma_fault(struct vm_fault *vmf)
+static vm_fault_t kernfs_vma_fault(struct vm_fault *vmf)
 {
 	struct file *file = vmf->vma->vm_file;
 	struct kernfs_open_file *of = kernfs_of(file);
-	int ret;
+	vm_fault_t ret;
 
 	if (!of->vm_ops)
 		return VM_FAULT_SIGBUS;
@@ -368,11 +368,11 @@ static int kernfs_vma_fault(struct vm_fault *vmf)
 	return ret;
 }
 
-static int kernfs_vma_page_mkwrite(struct vm_fault *vmf)
+static vm_fault_t kernfs_vma_page_mkwrite(struct vm_fault *vmf)
 {
 	struct file *file = vmf->vma->vm_file;
 	struct kernfs_open_file *of = kernfs_of(file);
-	int ret;
+	vm_fault_t ret;
 
 	if (!of->vm_ops)
 		return VM_FAULT_SIGBUS;