fs/btrfs/extent_io.c

79 	"BTRFS: buffer leak start %llu len %u refs %d bflags %lu owner %llu\n",
80 		       eb->start, eb->len, atomic_read(&eb->refs), eb->bflags,
1495 	wait_on_bit_io(&eb->bflags, EXTENT_BUFFER_WRITEBACK,
1513 	while (test_bit(EXTENT_BUFFER_WRITEBACK, &eb->bflags)) {
1527 	if (test_and_clear_bit(EXTENT_BUFFER_DIRTY, &eb->bflags)) {
1528 		set_bit(EXTENT_BUFFER_WRITEBACK, &eb->bflags);
1546 	set_bit(EXTENT_BUFFER_WRITE_ERR, &eb->bflags);
1552 	clear_bit(EXTENT_BUFFER_UPTODATE, &eb->bflags);
1655 	clear_bit(EXTENT_BUFFER_WRITEBACK, &eb->bflags);
1657 	wake_up_bit(&eb->bflags, EXTENT_BUFFER_WRITEBACK);
1668 	clear_bit(EXTENT_BUFFER_WRITE_ERR, &eb->bflags);
2759 	ASSERT(test_bit(EXTENT_BUFFER_UNMAPPED, &clone->bflags));
3318 	return (test_bit(EXTENT_BUFFER_WRITEBACK, &eb->bflags) ||
3319 		test_bit(EXTENT_BUFFER_DIRTY, &eb->bflags));
3345 	const bool mapped = !test_bit(EXTENT_BUFFER_UNMAPPED, &eb->bflags);
3369 			BUG_ON(test_bit(EXTENT_BUFFER_DIRTY, &eb->bflags));
3467 	set_bit(EXTENT_BUFFER_UNMAPPED, &new->bflags);
3516 	set_bit(EXTENT_BUFFER_UNMAPPED, &eb->bflags);
3563 	if (refs >= 2 && test_bit(EXTENT_BUFFER_TREE_REF, &eb->bflags))
3567 	if (!test_and_set_bit(EXTENT_BUFFER_TREE_REF, &eb->bflags))
3603 	if (test_bit(EXTENT_BUFFER_STALE, &eb->bflags)) {
3644 	set_bit(EXTENT_BUFFER_IN_TREE, &eb->bflags);
3938 		set_bit(EXTENT_BUFFER_UPTODATE, &eb->bflags);
3962 	set_bit(EXTENT_BUFFER_IN_TREE, &eb->bflags);
4002 	set_bit(EXTENT_BUFFER_UNMAPPED, &eb->bflags);
4026 		if (test_and_clear_bit(EXTENT_BUFFER_IN_TREE, &eb->bflags)) {
4043 		if (unlikely(test_bit(EXTENT_BUFFER_UNMAPPED, &eb->bflags))) {
4064 		if ((!test_bit(EXTENT_BUFFER_UNMAPPED, &eb->bflags) && refs <= 3)
4065 		    || (test_bit(EXTENT_BUFFER_UNMAPPED, &eb->bflags) &&
4074 	    test_bit(EXTENT_BUFFER_STALE, &eb->bflags) &&
4076 	    test_and_clear_bit(EXTENT_BUFFER_TREE_REF, &eb->bflags))
4092 	set_bit(EXTENT_BUFFER_STALE, &eb->bflags);
4095 	    test_and_clear_bit(EXTENT_BUFFER_TREE_REF, &eb->bflags))
4147 	if (btrfs_is_zoned(fs_info) && test_bit(EXTENT_BUFFER_DIRTY, &eb->bflags)) {
4148 		set_bit(EXTENT_BUFFER_ZONED_ZEROOUT, &eb->bflags);
4152 	if (!test_and_clear_bit(EXTENT_BUFFER_DIRTY, &eb->bflags))
4181 	was_dirty = test_and_set_bit(EXTENT_BUFFER_DIRTY, &eb->bflags);
4185 	WARN_ON(!test_bit(EXTENT_BUFFER_TREE_REF, &eb->bflags));
4186 	WARN_ON(test_bit(EXTENT_BUFFER_ZONED_ZEROOUT, &eb->bflags));
4224 	clear_bit(EXTENT_BUFFER_UPTODATE, &eb->bflags);
4248 	set_bit(EXTENT_BUFFER_UPTODATE, &eb->bflags);
4282 		set_bit(EXTENT_BUFFER_READ_ERR, &eb->bflags);
4298 	clear_bit(EXTENT_BUFFER_READING, &eb->bflags);
4300 	wake_up_bit(&eb->bflags, EXTENT_BUFFER_READING);
4312 	if (test_bit(EXTENT_BUFFER_UPTODATE, &eb->bflags))
4320 	if (unlikely(test_bit(EXTENT_BUFFER_WRITE_ERR, &eb->bflags)))
4324 	if (test_and_set_bit(EXTENT_BUFFER_READING, &eb->bflags))
4333 	if (unlikely(test_bit(EXTENT_BUFFER_UPTODATE, &eb->bflags))) {
4334 		clear_bit(EXTENT_BUFFER_READING, &eb->bflags);
4336 		wake_up_bit(&eb->bflags, EXTENT_BUFFER_READING);
4340 	clear_bit(EXTENT_BUFFER_READ_ERR, &eb->bflags);
4370 		wait_on_bit_io(&eb->bflags, EXTENT_BUFFER_READING, TASK_UNINTERRUPTIBLE);
4371 		if (!test_bit(EXTENT_BUFFER_UPTODATE, &eb->bflags))
4543 	if (test_bit(EXTENT_BUFFER_WRITE_ERR, &eb->bflags))
4569 	const bool check_uptodate = !test_bit(EXTENT_BUFFER_UNMAPPED, &eb->bflags);
5003 		if (!test_and_clear_bit(EXTENT_BUFFER_TREE_REF, &eb->bflags)) {
5067 	if (!test_and_clear_bit(EXTENT_BUFFER_TREE_REF, &eb->bflags)) {