summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--fs/btrfs/zlib.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/btrfs/zlib.c b/fs/btrfs/zlib.c
index b9cd544..e5b8b22 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;
OpenPOWER on IntegriCloud