From bdb3e709e3eec1863181339bf1a5b66b702ac1bb Mon Sep 17 00:00:00 2001
From: Junaid <junaid@gluster.com>
Date: Tue, 12 Apr 2011 10:01:28 +0000
Subject: features/marker: Filter the quota xattr's on getxattr with NULL name
 argument.

Signed-off-by: Junaid <junaid@gluster.com>
Signed-off-by: Anand Avati <avati@gluster.com>

BUG: 2473 (Support for volume and directory level quota)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2473
---
 xlators/features/marker/src/marker-common.c | 17 ++++++++++++++++-
 xlators/features/marker/src/marker-common.h |  3 +++
 xlators/features/marker/src/marker.c        | 18 +++++++++++++++++-
 3 files changed, 36 insertions(+), 2 deletions(-)

diff --git a/xlators/features/marker/src/marker-common.c b/xlators/features/marker/src/marker-common.c
index a9431b6283b..9d27167fc0d 100644
--- a/xlators/features/marker/src/marker-common.c
+++ b/xlators/features/marker/src/marker-common.c
@@ -20,7 +20,7 @@
 #define _CONFIG_H
 #include "config.h"
 #endif
-
+#include <fnmatch.h>
 #include "marker-common.h"
 
 marker_inode_ctx_t *
@@ -69,3 +69,18 @@ unlock: UNLOCK (&inode->lock);
         return ret;
 }
 
+void
+marker_filter_quota_xattr (dict_t *dict, char *key,
+			   data_t *value, void *data)
+{
+	int ret = -1;
+
+	GF_VALIDATE_OR_GOTO ("marker", dict, out);
+	GF_VALIDATE_OR_GOTO ("marker", key, out);
+
+	ret = fnmatch ("trusted.glusterfs.quota*", key, 0);
+	if (ret == 0)
+		dict_del (dict, key);
+out:
+	return;
+}
diff --git a/xlators/features/marker/src/marker-common.h b/xlators/features/marker/src/marker-common.h
index 311e4e23832..2533571c180 100644
--- a/xlators/features/marker/src/marker-common.h
+++ b/xlators/features/marker/src/marker-common.h
@@ -30,4 +30,7 @@
 
 int32_t
 marker_force_inode_ctx_get (inode_t *, xlator_t *, marker_inode_ctx_t **);
+
+void
+marker_filter_quota_xattr (dict_t *, char *, data_t *, void *);
 #endif
diff --git a/xlators/features/marker/src/marker.c b/xlators/features/marker/src/marker.c
index 66ef66f62cc..6e65d090fff 100644
--- a/xlators/features/marker/src/marker.c
+++ b/xlators/features/marker/src/marker.c
@@ -27,6 +27,7 @@
 #include "marker.h"
 #include "marker-mem-types.h"
 #include "marker-quota.h"
+#include "marker-common.h"
 
 void
 fini (xlator_t *this);
@@ -263,6 +264,12 @@ int32_t
 marker_getxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
                       int32_t op_ret, int32_t op_errno, dict_t *dict)
 {
+	if (frame->cookie) {
+		gf_log (this->name, GF_LOG_DEBUG,
+			"Filtering the quota extended attributes");
+
+		dict_foreach (dict, marker_filter_quota_xattr, NULL);
+	}
         STACK_UNWIND_STRICT (getxattr, frame, op_ret, op_errno, dict);
         return 0;
 }
@@ -283,9 +290,18 @@ marker_getxattr (call_frame_t *frame, xlator_t *this, loc_t *loc,
 
         ret = call_from_special_client (frame, this, name);
 wind:
-        if (ret == _gf_false)
+        if (ret == _gf_false) {
+		if (name == NULL) {
+                        /* Signifies that marker translator
+                         * has to filter the quota's xattr's,
+                         * this is to prevent afr from performing
+                         * self healing on marker-quota xattrs'
+                         */
+			frame->cookie = (void *) 1;
+                }
                 STACK_WIND (frame, marker_getxattr_cbk, FIRST_CHILD(this),
                             FIRST_CHILD(this)->fops->getxattr, loc, name);
+	}
 
         return 0;
 }
-- 
cgit