EXTENT_BUFFER_UNMAPPED 4137 fs/btrfs/disk-io.c if (unlikely(test_bit(EXTENT_BUFFER_UNMAPPED, &buf->bflags))) EXTENT_BUFFER_UNMAPPED 4868 fs/btrfs/extent_io.c int mapped = !test_bit(EXTENT_BUFFER_UNMAPPED, &eb->bflags); EXTENT_BUFFER_UNMAPPED 4985 fs/btrfs/extent_io.c set_bit(EXTENT_BUFFER_UNMAPPED, &new->bflags); EXTENT_BUFFER_UNMAPPED 5009 fs/btrfs/extent_io.c set_bit(EXTENT_BUFFER_UNMAPPED, &eb->bflags); EXTENT_BUFFER_UNMAPPED 5305 fs/btrfs/extent_io.c if (unlikely(test_bit(EXTENT_BUFFER_UNMAPPED, &eb->bflags))) { EXTENT_BUFFER_UNMAPPED 5327 fs/btrfs/extent_io.c if ((!test_bit(EXTENT_BUFFER_UNMAPPED, &eb->bflags) && refs <= 3) EXTENT_BUFFER_UNMAPPED 5328 fs/btrfs/extent_io.c || (test_bit(EXTENT_BUFFER_UNMAPPED, &eb->bflags) &&