dax: Create local variable for vmf->flags & FAULT_FLAG_WRITE test (d2c43ef1) · 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
		@@ -1116,6 +1116,7 @@ static int dax_iomap_pte_fault(struct vm_fault *vmf,
		struct iomap iomap = { 0 };
		unsigned flags = IOMAP_FAULT;
		int error, major = 0;
		bool write = vmf->flags & FAULT_FLAG_WRITE;
		int vmf_ret = 0;
		void *entry;

		@@ -1130,7 +1131,7 @@ static int dax_iomap_pte_fault(struct vm_fault *vmf,
		goto out;
		}

		if ((vmf->flags & FAULT_FLAG_WRITE) && !vmf->cow_page)
		if (write && !vmf->cow_page)
		flags \|= IOMAP_WRITE;

		entry = grab_mapping_entry(mapping, vmf->pgoff, 0);
		@@ -1207,7 +1208,7 @@ static int dax_iomap_pte_fault(struct vm_fault *vmf,
		break;
		case IOMAP_UNWRITTEN:
		case IOMAP_HOLE:
		if (!(vmf->flags & FAULT_FLAG_WRITE)) {
		if (!write) {
		vmf_ret = dax_load_hole(mapping, entry, vmf);
		goto finish_iomap;
		}