EXTENT_BUFFER_UNMAPPED
if (unlikely(test_bit(EXTENT_BUFFER_UNMAPPED, &buf->bflags)))
const bool mapped = !test_bit(EXTENT_BUFFER_UNMAPPED, &eb->bflags);
set_bit(EXTENT_BUFFER_UNMAPPED, &new->bflags);
set_bit(EXTENT_BUFFER_UNMAPPED, &eb->bflags);
if (unlikely(test_bit(EXTENT_BUFFER_UNMAPPED, &eb->bflags))) {
if (test_bit(EXTENT_BUFFER_UNMAPPED, &eb->bflags)) {
const bool check_uptodate = !test_bit(EXTENT_BUFFER_UNMAPPED, &eb->bflags);
ASSERT(test_bit(EXTENT_BUFFER_UNMAPPED, &clone->bflags));
ASSERT(test_bit(EXTENT_BUFFER_UNMAPPED,
ASSERT(test_bit(EXTENT_BUFFER_UNMAPPED,