XArray: Correct xa_store_range



The explicit '64' should have been BITS_PER_LONG, but while looking at
this code I realised I meant to use __ffs(), not ilog2().

Signed-off-by: Matthew Wilcox <willy@infradead.org>

parent 804dfaf0

lib/xarray.c

+3 −2

Original line number	Diff line number	Diff line
		@@ -1565,8 +1565,9 @@ void xa_store_range(struct xarray xa, unsigned long first,
		do {
		xas_lock(&xas);
		if (entry) {
		unsigned int order = (last == ~0UL) ? 64 :
		ilog2(last + 1);
		unsigned int order = BITS_PER_LONG;
		if (last + 1)
		order = __ffs(last + 1);
		xas_set_order(&xas, last, order);
		xas_create(&xas);
		if (xas_error(&xas))