From a7f6ad0c617a36414c8232cb692471703923b16d Mon Sep 17 00:00:00 2001
From: Xavi Hernandez <xhernandez@users.noreply.github.com>
Date: Tue, 19 Jan 2021 18:03:33 +0100
Subject: [PATCH 556/584] dht: don't ignore xdata in fgetxattr

DHT was passing NULL for xdata in fgetxattr() request, ignoring any
data sent by upper xlators.

This patch fixes the issue by sending the received xdata to lower
xlators, as it's currently done for getxattr().

Backport of:
> Upstream-patch: https://github.com/gluster/glusterfs/pull/2020
> Fixes: #1991
> Change-Id: If3d3f1f2ce6215f3b1acc46480e133cb4294eaec
> Signed-off-by: Xavi Hernandez <xhernandez@redhat.com>

BUG: 1919132
Change-Id: If3d3f1f2ce6215f3b1acc46480e133cb4294eaec
Signed-off-by: Xavi Hernandez <xhernandez@redhat.com>
Reviewed-on: https://code.engineering.redhat.com/gerrit/c/rhs-glusterfs/+/244538
Tested-by: RHGS Build Bot <nigelb@redhat.com>
Reviewed-by: Sunil Kumar Heggodu Gopala Acharya <sheggodu@redhat.com>
---
 xlators/cluster/dht/src/dht-common.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/xlators/cluster/dht/src/dht-common.c b/xlators/cluster/dht/src/dht-common.c
index 7425c1a..0773092 100644
--- a/xlators/cluster/dht/src/dht-common.c
+++ b/xlators/cluster/dht/src/dht-common.c
@@ -5262,7 +5262,7 @@ dht_fgetxattr(call_frame_t *frame, xlator_t *this, fd_t *fd, const char *key,
 
         if (!ret && key && local->mds_subvol && dht_match_xattr(key)) {
             STACK_WIND(frame, dht_mds_getxattr_cbk, local->mds_subvol,
-                       local->mds_subvol->fops->fgetxattr, fd, key, NULL);
+                       local->mds_subvol->fops->fgetxattr, fd, key, xdata);
 
             return 0;
         }
@@ -5274,7 +5274,7 @@ dht_fgetxattr(call_frame_t *frame, xlator_t *this, fd_t *fd, const char *key,
     for (i = 0; i < cnt; i++) {
         subvol = layout->list[i].xlator;
         STACK_WIND(frame, dht_getxattr_cbk, subvol, subvol->fops->fgetxattr, fd,
-                   key, NULL);
+                   key, xdata);
     }
     return 0;
 
-- 
1.8.3.1