Btrfs devel - Apr 2014 - [PATCH] Btrfs: avoid warning bomb of btrfs_delayed_inode_reserve_metadata

When we nearly run out of global_block_rsv's reserved space, this WARNING
will
be hit for thousands of times, which is not good because the kernel log has
nothing else.

Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
---
 fs/btrfs/delayed-inode.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c
index 451b00c..32862f0 100644
--- a/fs/btrfs/delayed-inode.c
+++ b/fs/btrfs/delayed-inode.c
@@ -649,7 +649,7 @@ static int btrfs_delayed_inode_reserve_metadata(
 			goto out;
 
 		ret = btrfs_block_rsv_migrate(src_rsv, dst_rsv, num_bytes);
-		if (!WARN_ON(ret))
+		if (!WARN_ON_ONCE(ret))
 			goto out;
 
 		/*
-- 
1.8.2.1

--
To unsubscribe from this list: send the line "unsubscribe linux-btrfs"
in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html