Re: [PATCH] Btrfs: allow delayed refs to be merged

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On Wed, Jul 11, 2012 at 07:19:29AM -0600, Jan Schmidt wrote:
> Hi Josef,
> 
> I hit a warning with this patch on top of the current cmason/for-linus
> branch. Takes about 15 minutes to produce when running xfstest 278 in
> a loop and, in another shell, doing fsstress on the same volume to
> force metadata modifications.
> 
> fs/btrfs/extent-tree.c
> ...
> 5032         } else if (ret == -ENOENT) {
> 5033                 btrfs_print_leaf(extent_root, path->nodes[0]);
> 5034                 WARN_ON(1);
> 5035                 printk(KERN_ERR "btrfs unable to find ref byte nr %llu "
> 5036                        "parent %llu root %llu  owner %llu offset %llu\n",
> 5037                        (unsigned long long)bytenr,
> 5038                        (unsigned long long)parent,
> 5039                        (unsigned long long)root_objectid,
> 5040                        (unsigned long long)owner_objectid,
> 5041                        (unsigned long long)owner_offset);
> 5042         } else {
> 

Which test, 278 is an xfs specific test.  Thanks,

Josef
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