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path: root/fs/btrfs/extent-tree.c
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-rw-r--r--fs/btrfs/extent-tree.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 7b227a65078c..01f4db6554a1 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -3931,7 +3931,8 @@ alloc:
* don't bother committing the transaction.
*/
if (percpu_counter_compare(&data_sinfo->total_bytes_pinned,
- bytes) < 0)
+ used + bytes -
+ data_sinfo->total_bytes) < 0)
have_pinned_space = 0;
spin_unlock(&data_sinfo->lock);