From 9e6cd8779bd8ceab1327856b85fedc80412c5252 Mon Sep 17 00:00:00 2001
From: Mohammed Rafi KC <rkavunga@redhat.com>
Date: Mon, 11 May 2015 12:36:33 +0530
Subject: [PATCH 266/279] uss: Take ref on root inode

If we recieve a statfs call on snap directory, we will redirect
the call into the root, by creating a new root loc. So it is better to
take a ref on the root inode
(http://review.gluster.org/#/c/10358/5/xlators/features/
snapview-client/src/snapview-client.c)

Back port of :
>Change-Id: I5649addac442d391b2550346b115dec58fed5b86
>Signed-off-by: Mohammed Rafi KC <rkavunga@redhat.com>
>Reviewed-on: http://review.gluster.org/10750
>Tested-by: NetBSD Build System <jenkins@build.gluster.org>
>Reviewed-by: Raghavendra Bhat <raghavendra@redhat.com>

Change-Id: Idd575a5313bcbc3d7bfdd954c7bfecce371f3add
BUG: 1245919
Signed-off-by: Mohammed Rafi KC <rkavunga@redhat.com>
Reviewed-on: http://review.gluster.org/11094
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Avra Sengupta <asengupt@redhat.com>
Reviewed-by: Rajesh Joseph <rjoseph@redhat.com>
Reviewed-on: https://code.engineering.redhat.com/gerrit/55133
Tested-by: Rajesh Joseph <rjoseph@redhat.com>
---
 .../features/snapview-client/src/snapview-client.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/xlators/features/snapview-client/src/snapview-client.c b/xlators/features/snapview-client/src/snapview-client.c
index 2f304aa..81e3b20 100644
--- a/xlators/features/snapview-client/src/snapview-client.c
+++ b/xlators/features/snapview-client/src/snapview-client.c
@@ -539,14 +539,15 @@ svc_statfs (call_frame_t *frame, xlator_t *this, loc_t *loc,
                         root_loc.path = "/";
                         gf_uuid_clear(root_loc.gfid);
                         root_loc.gfid[15] = 1;
-                        root_loc.inode = loc->inode->table->root;
-                        root_loc.inode->ia_type = IA_IFDIR;
+                        root_loc.inode = inode_ref (loc->inode->table->root);
                         temp_loc = &root_loc;
                 }
         }
 
         STACK_WIND_TAIL (frame, subvolume, subvolume->fops->statfs,
                          temp_loc, xdata);
+        if (temp_loc)
+                loc_wipe (temp_loc);
 
         wind = _gf_true;
 out:
-- 
1.7.1