Re: No space left on device (28)

[Josef Bacik <jbacik@fusionio.com>]

On Fri, Mar 22, 2013 at 02:55:07PM -0600, Stefan Priebe wrote:
> Hi Jsoef,
> 
> thanks!

Ok I don't think the thing I just fixed will make any difference for you so
here's another debug patch, just apply it on top of what I've already sent you
and re-run and give me the dmesg again.  Thanks,

Josef


diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index aabaea6..bf6433f 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -4162,7 +4162,11 @@ out:
 	}
 	if (flushing) {
 		if (ret == -ENOSPC) {
-			printk(KERN_ERR "returning enospc, dumping space info\n");
+			spin_lock(&block_rsv->lock);
+			printk(KERN_ERR "returning enospc, space_info %u, size %Lu reserved %Lu, "
+			       "flush %d, flush_state %d  dumping space info\n", block_rsv->type,
+			       block_rsv->size, block_rsv->reserved, flush, flush_state);
+			spin_unlock(&block_rsv->lock);
 			dump_space_info(space_info, 0, 0);
 		}
 
-- 
1.7.7.6