static u32 ocfs2_local_alloc_count_bits(struct ocfs2_dinode *alloc) { u32 count; struct ocfs2_local_alloc *la = OCFS2_LOCAL_ALLOC(alloc); count = memweight(la->la_bitmap, le16_to_cpu(la->la_size)); trace_ocfs2_local_alloc_count_bits(count); return count; }
static u32 ocfs2_local_alloc_count_bits(struct ocfs2_dinode *alloc) { int i; u8 *buffer; u32 count = 0; struct ocfs2_local_alloc *la = OCFS2_LOCAL_ALLOC(alloc); buffer = la->la_bitmap; for (i = 0; i < le16_to_cpu(la->la_size); i++) count += hweight8(buffer[i]); trace_ocfs2_local_alloc_count_bits(count); return count; }