Hi all,

On Thu, 27 Nov 2014 20:11:56 +1100 Stephen Rothwell <sfr@canb.auug.org.au> wrote:
>
> diff --cc drivers/staging/lustre/lustre/llite/llite_lib.c
> index 7b6b9e2e0102,3b0336029da3..000000000000
> --- a/drivers/staging/lustre/lustre/llite/llite_lib.c
> +++ b/drivers/staging/lustre/lustre/llite/llite_lib.c
> @@@ -698,8 -690,10 +690,8 @@@ void lustre_dump_dentry(struct dentry *
>   	list_for_each(tmp, &dentry->d_subdirs)
>   		subdirs++;
>   
> - 	CERROR("dentry %p dump: name=%pd parent=%p, inode=%p, count=%u,"
> - 	       " flags=0x%x, fsdata=%p, %d subdirs\n", dentry, dentry,
>  -	CERROR("dentry %p dump: name=%.*s parent=%.*s (%p), inode=%p, count=%u, flags=0x%x, fsdata=%p, %d subdirs\n",
>  -	       dentry,
>  -	       dentry->d_name.len, dentry->d_name.name,
>  -	       dentry->d_parent->d_name.len, dentry->d_parent->d_name.name,
> ++	CERROR("dentry %p dump: name=%pd parent=%p, inode=%p, count=%u, flags=0x%x, fsdata=%p, %d subdirs\n",
> ++	       dentry, dentry,
>   	       dentry->d_parent, dentry->d_inode, d_count(dentry),
>   	       dentry->d_flags, dentry->d_fsdata, subdirs);
>   	if (dentry->d_inode != NULL)

The actual resolution for this file ended up being this:

diff --cc drivers/staging/lustre/lustre/llite/llite_lib.c
index 7b6b9e2e0102,3b0336029da3..52f0a7e40063
--- a/drivers/staging/lustre/lustre/llite/llite_lib.c
+++ b/drivers/staging/lustre/lustre/llite/llite_lib.c
@@@ -698,8 -690,10 +690,8 @@@ void lustre_dump_dentry(struct dentry *
  	list_for_each(tmp, &dentry->d_subdirs)
  		subdirs++;
  
- 	CERROR("dentry %p dump: name=%pd parent=%p, inode=%p, count=%u,"
- 	       " flags=0x%x, fsdata=%p, %d subdirs\n", dentry, dentry,
 -	CERROR("dentry %p dump: name=%.*s parent=%.*s (%p), inode=%p, count=%u, flags=0x%x, fsdata=%p, %d subdirs\n",
 -	       dentry,
 -	       dentry->d_name.len, dentry->d_name.name,
 -	       dentry->d_parent->d_name.len, dentry->d_parent->d_name.name,
++	CERROR("dentry %p dump: name=%pd parent=%p, inode=%p, count=%u, flags=0x%x, fsdata=%p, %d subdirs\n",
++	       dentry, dentry,
  	       dentry->d_parent, dentry->d_inode, d_count(dentry),
  	       dentry->d_flags, dentry->d_fsdata, subdirs);
  	if (dentry->d_inode != NULL)
@@@ -709,7 -703,8 +701,8 @@@
  		return;
  
  	list_for_each(tmp, &dentry->d_subdirs) {
 -		struct dentry *d = list_entry(tmp, struct dentry, d_u.d_child);
 +		struct dentry *d = list_entry(tmp, struct dentry, d_child);
+ 
  		lustre_dump_dentry(d, recur - 1);
  	}
  }

-- 
Cheers,
Stephen Rothwell                   <sfr@canb.auug.org.au>