diff options
Diffstat (limited to 'fs/btrfs/locking.c')
| -rw-r--r-- | fs/btrfs/locking.c | 11 |
1 files changed, 2 insertions, 9 deletions
diff --git a/fs/btrfs/locking.c b/fs/btrfs/locking.c index 7f89ca6f1fbc..82b84e4daad1 100644 --- a/fs/btrfs/locking.c +++ b/fs/btrfs/locking.c @@ -237,16 +237,9 @@ again: wait_event(eb->read_lock_wq, atomic_read(&eb->blocking_readers) == 0); wait_event(eb->write_lock_wq, atomic_read(&eb->blocking_writers) == 0); write_lock(&eb->lock); - if (atomic_read(&eb->blocking_readers)) { + if (atomic_read(&eb->blocking_readers) || + atomic_read(&eb->blocking_writers)) { write_unlock(&eb->lock); - wait_event(eb->read_lock_wq, - atomic_read(&eb->blocking_readers) == 0); - goto again; - } - if (atomic_read(&eb->blocking_writers)) { - write_unlock(&eb->lock); - wait_event(eb->write_lock_wq, - atomic_read(&eb->blocking_writers) == 0); goto again; } WARN_ON(atomic_read(&eb->spinning_writers)); |