Handle files which have no pending xattrs at all.
Handle files which have no pending xattrs at all.

If a pending xattr key is non-existent on a file (call such
files 'ignorant'), make all other non-ignorant subvolumes point
towards the ignorant one.

Signed-off-by: Anand V. Avati <6a1810c170bd423868ce2e225ecea39d80cade0f@amp.gluster.com>

Kaushikbv/Gluster,Kaushikbv/Gluster,Kaushikbv/Gluster