Hi,

On Fri, Jun 03, 2011 at 11:10:49AM +1000, Stephen Rothwell wrote:

fs/btrfs/delayed-inode.c: In function 'btrfs_batch_insert_items':
fs/btrfs/delayed-inode.c:670:6: warning: 'nitems' may be used uninitialized in this function

Introduced by commit 16cdcec736cd ("btrfs: implement delayed inode items
operation").  I think this is a real bug.  This variable is not
initialised, only incremented and tested.

yes, it's a bug and has been already hit (fix pending):

http://marc.info/?l=linux-btrfs&m=130678270307885&w=4

thanks,
david