diff options
| -rw-r--r-- | fs/btrfs/zlib.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/btrfs/zlib.c b/fs/btrfs/zlib.c index b9cd5445f71c..e5b8b22e07d6 100644 --- a/fs/btrfs/zlib.c +++ b/fs/btrfs/zlib.c @@ -75,16 +75,19 @@ again: return workspace; } - spin_unlock(&workspace_lock); if (atomic_read(&alloc_workspace) > cpus) { DEFINE_WAIT(wait); + + spin_unlock(&workspace_lock); prepare_to_wait(&workspace_wait, &wait, TASK_UNINTERRUPTIBLE); - if (atomic_read(&alloc_workspace) > cpus) + if (atomic_read(&alloc_workspace) > cpus && !num_workspace) schedule(); finish_wait(&workspace_wait, &wait); goto again; } atomic_inc(&alloc_workspace); + spin_unlock(&workspace_lock); + workspace = kzalloc(sizeof(*workspace), GFP_NOFS); if (!workspace) { ret = -ENOMEM; |