From: Ashish Samant <ashish.samant@oracle.com>
Date: Sat, 17 Oct 2015 02:11:14 +0000 (-0700)
Subject: btrfs: Print Warning only if ENOSPC_DEBUG is enabled
X-Git-Tag: v4.1.12-92~233^2~2
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=262d93bdc73d4271fe7eaba94e151b0723a91c8f;p=users%2Fjedix%2Flinux-maple.git

btrfs: Print Warning only if ENOSPC_DEBUG is enabled

Orabug: 21626666

Signed-off-by : Ashish Samant <ashish.samant@oracle.com>
Reviewed-by: Bo Liu <bo.li.liu@oracle.com>
---

diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c
index a2ae42720a6a..b86cfd9bb091 100644
--- a/fs/btrfs/delayed-inode.c
+++ b/fs/btrfs/delayed-inode.c
@@ -652,9 +652,13 @@ 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 (!ret)
 			goto out;
 
+		if (btrfs_test_opt(root, ENOSPC_DEBUG))
+			WARN(1, KERN_DEBUG
+			     "btrfs: block rsv migrate returned %d\n", ret);
+
 		/*
 		 * Ok this is a problem, let's just steal from the global rsv
 		 * since this really shouldn't happen that often.