From: Zhao Lei <zhao...@cn.fujitsu.com>
If we have any chance to make a successful write, we should not give up.
This patch adjust commit-transaction condition from:
pinned >= wanted
to
left + pinned >= wanted
Signed-off-by: Zhao Lei <zhao...@cn.fujitsu.com>
---
fs/btrfs/extent-tree.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index ebeedb4..644468b 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -3713,7 +3713,8 @@ 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);
--
1.8.5.1
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