From: Josef Bacik <jbacik@redhat.com>
Date: Tue, 18 Nov 2008 02:12:00 +0000 (-0500)
Subject: Btrfs: Add some debugging around the ENOSPC bugs
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=4ce4cb526f67775c1cce3e3fa01c292672ba874e;p=openwrt%2Fstaging%2Fblogic.git

Btrfs: Add some debugging around the ENOSPC bugs

Some people are still reporting problems with early enospc.  This
will help narrown down the cause.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
---

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 6c29669d81a2..b0f2241274fd 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -2984,6 +2984,9 @@ loop_check:
 			*last_ptr = ins->objectid + ins->offset;
 		ret = 0;
 	} else if (!ret) {
+		printk(KERN_ERR "we were searching for %Lu bytes, num_bytes %Lu,"
+		       " loop %d, allowed_alloc %d\n", total_needed, num_bytes,
+		       loop, allowed_chunk_alloc);
 		ret = -ENOSPC;
 	}