libglusterfsclient: Avoid dirent copies in readdir cbk

We can avoid memory allocation, de-allocation and
data copies by just using the entries passed to us from
a lower layer and by de-linking the entries from the original
list.

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

1 files changed, 5 insertions, 0 deletions

diff --git a/libglusterfsclient/src/libglusterfsclient-internals.h b/libglusterfsclient/src/libglusterfsclient-internals.h
index fc79a539d69..d55cfb1f5f6 100755
--- a/libglusterfsclient/src/libglusterfsclient-internals.h
+++ b/libglusterfsclient/src/libglusterfsclient-internals.h
@@ -64,6 +64,11 @@ typedef struct {
                         int32_t size;
                 } lookup;
         }fop;
+        fd_t *dirfd;       /* Needed here because we need a ref to the dir
+                              fd in the libgf_client_readdir_cbk in order
+                              to process the dirents received, without
+                              having them added to the reply stub.
+                              */
 }libgf_client_local_t;
 
 typedef struct {