[PATCH 02/12] qemu: monitor: Drop parsing of 'errs' from block info

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The error count statistic is not supported by qemu, so there's no need
to pass the variables around if the result is ignored anyways.
---
 src/qemu/qemu_driver.c       | 11 ++++++-----
 src/qemu/qemu_monitor.c      |  9 +++------
 src/qemu/qemu_monitor.h      |  3 +--
 src/qemu/qemu_monitor_json.c |  6 ++----
 src/qemu/qemu_monitor_json.h |  3 +--
 src/qemu/qemu_monitor_text.c |  5 ++---
 src/qemu/qemu_monitor_text.h |  3 +--
 tests/qemumonitorjsontest.c  | 19 +++++++++----------
 8 files changed, 25 insertions(+), 34 deletions(-)

diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index e94275f..06168b1 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -10536,6 +10536,9 @@ qemuDomainBlockStats(virDomainPtr dom,

     priv = vm->privateData;

+    /* qemu doesn't report the error count */
+    stats->errs = -1;
+
     qemuDomainObjEnterMonitor(driver, vm);
     ret = qemuMonitorGetBlockStatsInfo(priv->mon,
                                        diskAlias,
@@ -10546,8 +10549,7 @@ qemuDomainBlockStats(virDomainPtr dom,
                                        &stats->wr_bytes,
                                        NULL,
                                        NULL,
-                                       NULL,
-                                       &stats->errs);
+                                       NULL);
     if (qemuDomainObjExitMonitor(driver, vm) < 0)
         ret = -1;

@@ -10574,7 +10576,7 @@ qemuDomainBlockStatsFlags(virDomainPtr dom,
     virDomainObjPtr vm;
     qemuDomainObjPrivatePtr priv;
     long long rd_req, rd_bytes, wr_req, wr_bytes, rd_total_times;
-    long long wr_total_times, flush_req, flush_total_times, errs;
+    long long wr_total_times, flush_req, flush_total_times;
     char *diskAlias = NULL;

     virCheckFlags(VIR_TYPED_PARAM_STRING_OKAY, -1);
@@ -10643,8 +10645,7 @@ qemuDomainBlockStatsFlags(virDomainPtr dom,
                                        &wr_bytes,
                                        &wr_total_times,
                                        &flush_req,
-                                       &flush_total_times,
-                                       &errs);
+                                       &flush_total_times);

     if (qemuDomainObjExitMonitor(driver, vm) < 0)
         ret = -1;
diff --git a/src/qemu/qemu_monitor.c b/src/qemu/qemu_monitor.c
index 94495cd..24e87b7 100644
--- a/src/qemu/qemu_monitor.c
+++ b/src/qemu/qemu_monitor.c
@@ -1817,8 +1817,7 @@ int qemuMonitorGetBlockStatsInfo(qemuMonitorPtr mon,
                                  long long *wr_bytes,
                                  long long *wr_total_times,
                                  long long *flush_req,
-                                 long long *flush_total_times,
-                                 long long *errs)
+                                 long long *flush_total_times)
 {
     int ret;
     VIR_DEBUG("mon=%p dev=%s", mon, dev_name);
@@ -1836,8 +1835,7 @@ int qemuMonitorGetBlockStatsInfo(qemuMonitorPtr mon,
                                                wr_req, wr_bytes,
                                                wr_total_times,
                                                flush_req,
-                                               flush_total_times,
-                                               errs);
+                                               flush_total_times);
     else
         ret = qemuMonitorTextGetBlockStatsInfo(mon, dev_name,
                                                rd_req, rd_bytes,
@@ -1845,8 +1843,7 @@ int qemuMonitorGetBlockStatsInfo(qemuMonitorPtr mon,
                                                wr_req, wr_bytes,
                                                wr_total_times,
                                                flush_req,
-                                               flush_total_times,
-                                               errs);
+                                               flush_total_times);
     return ret;
 }

diff --git a/src/qemu/qemu_monitor.h b/src/qemu/qemu_monitor.h
index 133d42d..72498b3 100644
--- a/src/qemu/qemu_monitor.h
+++ b/src/qemu/qemu_monitor.h
@@ -366,8 +366,7 @@ int qemuMonitorGetBlockStatsInfo(qemuMonitorPtr mon,
                                  long long *wr_bytes,
                                  long long *wr_total_times,
                                  long long *flush_req,
-                                 long long *flush_total_times,
-                                 long long *errs);
+                                 long long *flush_total_times);

 typedef struct _qemuBlockStats qemuBlockStats;
 typedef qemuBlockStats *qemuBlockStatsPtr;
diff --git a/src/qemu/qemu_monitor_json.c b/src/qemu/qemu_monitor_json.c
index 832f589..612553b 100644
--- a/src/qemu/qemu_monitor_json.c
+++ b/src/qemu/qemu_monitor_json.c
@@ -1677,15 +1677,14 @@ int qemuMonitorJSONGetBlockStatsInfo(qemuMonitorPtr mon,
                                      long long *wr_bytes,
                                      long long *wr_total_times,
                                      long long *flush_req,
-                                     long long *flush_total_times,
-                                     long long *errs)
+                                     long long *flush_total_times)
 {
     qemuBlockStats *stats;
     virHashTablePtr blockstats = NULL;
     int ret = -1;

     *rd_req = *rd_bytes = -1;
-    *wr_req = *wr_bytes = *errs = -1;
+    *wr_req = *wr_bytes = -1;

     if (rd_total_times)
         *rd_total_times = -1;
@@ -1709,7 +1708,6 @@ int qemuMonitorJSONGetBlockStatsInfo(qemuMonitorPtr mon,
     *rd_bytes = stats->rd_bytes;
     *wr_req = stats->wr_req;
     *wr_bytes = stats->wr_bytes;
-    *errs = -1; /* QEMU does not have this */

     if (rd_total_times)
         *rd_total_times = stats->rd_total_times;
diff --git a/src/qemu/qemu_monitor_json.h b/src/qemu/qemu_monitor_json.h
index 1da1a00..23589cf 100644
--- a/src/qemu/qemu_monitor_json.h
+++ b/src/qemu/qemu_monitor_json.h
@@ -80,8 +80,7 @@ int qemuMonitorJSONGetBlockStatsInfo(qemuMonitorPtr mon,
                                      long long *wr_bytes,
                                      long long *wr_total_times,
                                      long long *flush_req,
-                                     long long *flush_total_times,
-                                     long long *errs);
+                                     long long *flush_total_times);
 int qemuMonitorJSONGetAllBlockStatsInfo(qemuMonitorPtr mon,
                                         virHashTablePtr *ret_stats,
                                         bool backingChain);
diff --git a/src/qemu/qemu_monitor_text.c b/src/qemu/qemu_monitor_text.c
index 70aeaca..2de281f 100644
--- a/src/qemu/qemu_monitor_text.c
+++ b/src/qemu/qemu_monitor_text.c
@@ -847,8 +847,7 @@ int qemuMonitorTextGetBlockStatsInfo(qemuMonitorPtr mon,
                                      long long *wr_bytes,
                                      long long *wr_total_times,
                                      long long *flush_req,
-                                     long long *flush_total_times,
-                                     long long *errs)
+                                     long long *flush_total_times)
 {
     char *info = NULL;
     int ret = -1;
@@ -872,7 +871,7 @@ int qemuMonitorTextGetBlockStatsInfo(qemuMonitorPtr mon,
     }

     *rd_req = *rd_bytes = -1;
-    *wr_req = *wr_bytes = *errs = -1;
+    *wr_req = *wr_bytes = -1;

     if (rd_total_times)
         *rd_total_times = -1;
diff --git a/src/qemu/qemu_monitor_text.h b/src/qemu/qemu_monitor_text.h
index f118a30..695ac28 100644
--- a/src/qemu/qemu_monitor_text.h
+++ b/src/qemu/qemu_monitor_text.h
@@ -69,8 +69,7 @@ int qemuMonitorTextGetBlockStatsInfo(qemuMonitorPtr mon,
                                      long long *wr_bytes,
                                      long long *wr_total_times,
                                      long long *flush_req,
-                                     long long *flush_total_times,
-                                     long long *errs);
+                                     long long *flush_total_times);
 int qemuMonitorTextGetBlockStatsParamsNumber(qemuMonitorPtr mon,
                                              int *nparams);
 int qemuMonitorTextGetBlockExtent(qemuMonitorPtr mon,
diff --git a/tests/qemumonitorjsontest.c b/tests/qemumonitorjsontest.c
index bd92e63..da9cd6c 100644
--- a/tests/qemumonitorjsontest.c
+++ b/tests/qemumonitorjsontest.c
@@ -1438,7 +1438,7 @@ testQemuMonitorJSONqemuMonitorJSONGetBlockStatsInfo(const void *data)
     int ret = -1;
     long long rd_req, rd_bytes, rd_total_times;
     long long wr_req, wr_bytes, wr_total_times;
-    long long flush_req, flush_total_times, errs;
+    long long flush_req, flush_total_times;
     int nparams;
     unsigned long long extent;

@@ -1552,7 +1552,7 @@ testQemuMonitorJSONqemuMonitorJSONGetBlockStatsInfo(const void *data)
     }

 #define CHECK(RD_REQ, RD_BYTES, RD_TOTAL_TIMES, WR_REQ, WR_BYTES, WR_TOTAL_TIMES, \
-              FLUSH_REQ, FLUSH_TOTAL_TIMES, ERRS) \
+              FLUSH_REQ, FLUSH_TOTAL_TIMES) \
     CHECK0(rd_req, RD_REQ) \
     CHECK0(rd_bytes, RD_BYTES) \
     CHECK0(rd_total_times, RD_TOTAL_TIMES) \
@@ -1560,32 +1560,31 @@ testQemuMonitorJSONqemuMonitorJSONGetBlockStatsInfo(const void *data)
     CHECK0(wr_bytes, WR_BYTES) \
     CHECK0(wr_total_times, WR_TOTAL_TIMES) \
     CHECK0(flush_req, FLUSH_REQ) \
-    CHECK0(flush_total_times, FLUSH_TOTAL_TIMES) \
-    CHECK0(errs, ERRS)
+    CHECK0(flush_total_times, FLUSH_TOTAL_TIMES)

     if (qemuMonitorJSONGetBlockStatsInfo(qemuMonitorTestGetMonitor(test), "virtio-disk0",
                                          &rd_req, &rd_bytes, &rd_total_times,
                                          &wr_req, &wr_bytes, &wr_total_times,
-                                         &flush_req, &flush_total_times, &errs) < 0)
+                                         &flush_req, &flush_total_times) < 0)
         goto cleanup;

-    CHECK(1279, 28505088, 640616474, 174, 2845696, 530699221, 0, 0, -1)
+    CHECK(1279, 28505088, 640616474, 174, 2845696, 530699221, 0, 0)

     if (qemuMonitorJSONGetBlockStatsInfo(qemuMonitorTestGetMonitor(test), "virtio-disk1",
                                          &rd_req, &rd_bytes, &rd_total_times,
                                          &wr_req, &wr_bytes, &wr_total_times,
-                                         &flush_req, &flush_total_times, &errs) < 0)
+                                         &flush_req, &flush_total_times) < 0)
         goto cleanup;

-    CHECK(85, 348160, 8232156, 0, 0, 0, 0, 0, -1)
+    CHECK(85, 348160, 8232156, 0, 0, 0, 0, 0)

     if (qemuMonitorJSONGetBlockStatsInfo(qemuMonitorTestGetMonitor(test), "ide0-1-0",
                                          &rd_req, &rd_bytes, &rd_total_times,
                                          &wr_req, &wr_bytes, &wr_total_times,
-                                         &flush_req, &flush_total_times, &errs) < 0)
+                                         &flush_req, &flush_total_times) < 0)
         goto cleanup;

-    CHECK(16, 49250, 1004952, 0, 0, 0, 0, 0, -1)
+    CHECK(16, 49250, 1004952, 0, 0, 0, 0, 0)

     if (qemuMonitorJSONGetBlockStatsParamsNumber(qemuMonitorTestGetMonitor(test),
                                                  &nparams) < 0)
-- 
2.2.2

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