From 8a3331903613d54d92c0191c238bf17cb33e0e6c Mon Sep 17 00:00:00 2001
From: Vijay Bellur <vbellur@redhat.com>
Date: Sat, 10 Aug 2013 19:59:53 +0530
Subject: features/quota: Add support for statedump

- dumps members of quota_priv_t.
- also added validation count to keep track of number of validations done.

Change-Id: I998fcccacf4bd7c61ead9ca9a489e0dc0e73763a
Signed-off-by: Vijay Bellur <vbellur@redhat.com>
---
 xlators/features/quota/src/quota.c | 40 ++++++++++++++++++++++++++++++++++++++
 xlators/features/quota/src/quota.h |  1 +
 2 files changed, 41 insertions(+)

diff --git a/xlators/features/quota/src/quota.c b/xlators/features/quota/src/quota.c
index 5f7c67ce..0c27b2eb 100644
--- a/xlators/features/quota/src/quota.c
+++ b/xlators/features/quota/src/quota.c
@@ -12,6 +12,7 @@
 #include "quota.h"
 #include "common-utils.h"
 #include "defaults.h"
+#include "statedump.h"
 
 int32_t
 quota_check_limit (call_frame_t *frame, inode_t *inode, xlator_t *this,
@@ -450,6 +451,11 @@ quota_check_limit (call_frame_t *frame, inode_t *inode, xlator_t *this,
                         UNLOCK (&ctx->lock);
 
                         if (need_validate) {
+                                LOCK (&priv->lock);
+                                {
+                                        priv->validation_count++;
+                                }
+                                UNLOCK (&priv->lock);
                                 goto validate;
                         }
 
@@ -3481,6 +3487,37 @@ out:
         return ret;
 }
 
+int32_t
+quota_priv_dump (xlator_t *this)
+{
+        quota_priv_t *priv = NULL;
+        int32_t       ret  = -1;
+
+
+        GF_ASSERT (this);
+
+        priv = this->private;
+
+        gf_proc_dump_add_section ("xlators.features.quota.priv", this->name);
+
+        ret = TRY_LOCK (&priv->lock);
+        if (ret)
+             goto out;
+        else {
+                gf_proc_dump_write("soft-timeout", "%d", priv->soft_timeout);
+                gf_proc_dump_write("hard-timeout", "%d", priv->hard_timeout);
+                gf_proc_dump_write("log-timeout", "%d", priv->log_timeout);
+                gf_proc_dump_write("quota-on", "%d", priv->is_quota_on);
+                gf_proc_dump_write("statfs", "%d", priv->consider_statfs);
+                gf_proc_dump_write("volume-uuid", "%s", priv->volume_uuid);
+                gf_proc_dump_write("validation-count", "%ld",
+                                    priv->validation_count);
+        }
+        UNLOCK (&priv->lock);
+
+out:
+        return 0;
+}
 
 void
 fini (xlator_t *this)
@@ -3523,6 +3560,9 @@ struct xlator_cbks cbks = {
         .forget = quota_forget
 };
 
+struct xlator_dumpops dumpops = {
+        .priv    = quota_priv_dump,
+};
 struct volume_options options[] = {
         {.key = {"limit-set"}},
         {.key = {"deem-statfs"},
diff --git a/xlators/features/quota/src/quota.h b/xlators/features/quota/src/quota.h
index 3a7a47f2..11022895 100644
--- a/xlators/features/quota/src/quota.h
+++ b/xlators/features/quota/src/quota.h
@@ -181,6 +181,7 @@ struct quota_priv {
         rpcsvc_t              *rpcsvc;
         inode_table_t         *itable;
         char                  *volume_uuid;
+        uint64_t               validation_count;
 };
 typedef struct quota_priv      quota_priv_t;
 
-- 
cgit