add purge list support to make iobuf_pool_purge() in expensive, and actually call it in iobuf_put :-)

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

1 files changed, 1 insertions, 0 deletions

diff --git a/libglusterfs/src/iobuf.h b/libglusterfs/src/iobuf.h
index 08831bbe9..2ad640bbc 100644
--- a/libglusterfs/src/iobuf.h
+++ b/libglusterfs/src/iobuf.h
@@ -86,6 +86,7 @@ struct iobuf_pool {
         struct iobuf_arena  arenas;     /* head node arena
                                            (unused by itself) */
         struct iobuf_arena  filled;     /* arenas without  free iobufs */
+        struct iobuf_arena  purge;      /* arenas to be purged right away */
 };