dax: Create local variable for VMA in dax_iomap_pte_fault() (a0987ad5) · Commits · 戴 / test

There are already two users and more are coming. Reviewed-by:

fs/dax.c

+3 −2

Original line number	Diff line number	Diff line
		@@ -1108,7 +1108,8 @@ static int dax_fault_return(int error)
		static int dax_iomap_pte_fault(struct vm_fault *vmf,
		const struct iomap_ops *ops)
		{
		struct address_space *mapping = vmf->vma->vm_file->f_mapping;
		struct vm_area_struct *vma = vmf->vma;
		struct address_space *mapping = vma->vm_file->f_mapping;
		struct inode *inode = mapping->host;
		unsigned long vaddr = vmf->address;
		loff_t pos = (loff_t)vmf->pgoff << PAGE_SHIFT;
		@@ -1196,7 +1197,7 @@ static int dax_iomap_pte_fault(struct vm_fault *vmf,
		case IOMAP_MAPPED:
		if (iomap.flags & IOMAP_F_NEW) {
		count_vm_event(PGMAJFAULT);
		count_memcg_event_mm(vmf->vma->vm_mm, PGMAJFAULT);
		count_memcg_event_mm(vma->vm_mm, PGMAJFAULT);
		major = VM_FAULT_MAJOR;
		}
		error = dax_insert_mapping(vmf, &iomap, pos, entry);