i386: Fix signedness of hyperv_spinlock_attempts

[mirror_qemu.git] / block / qed-check.c

diff --git a/block/qed-check.c b/block/qed-check.c
index 5edf60775b83d914963dc294def50e299965eb24..418033ee24e25ccf1ef29d00433aa1c4e765f9c4 100644 (file)
--- a/block/qed-check.c
+++ b/block/qed-check.c
@@ -11,6 +11,7 @@
  *
  */
 
+#include "qemu/osdep.h"
 #include "qed.h"
 
 typedef struct {
@@ -105,7 +106,7 @@ static unsigned int qed_check_l2_table(QEDCheck *check, QEDTable *table)
 /**
  * Descend tables and check each cluster is referenced once only
  */
-static int qed_check_l1_table(QEDCheck *check, QEDTable *table)
+static int coroutine_fn qed_check_l1_table(QEDCheck *check, QEDTable *table)
 {
     BDRVQEDState *s = check->s;
     unsigned int i, num_invalid_l1 = 0;
@@ -194,7 +195,30 @@ static void qed_check_for_leaks(QEDCheck *check)
     }
 }
 
-int qed_check(BDRVQEDState *s, BdrvCheckResult *result, bool fix)
+/**
+ * Mark an image clean once it passes check or has been repaired
+ */
+static void qed_check_mark_clean(BDRVQEDState *s, BdrvCheckResult *result)
+{
+    /* Skip if there were unfixable corruptions or I/O errors */
+    if (result->corruptions > 0 || result->check_errors > 0) {
+        return;
+    }
+
+    /* Skip if image is already marked clean */
+    if (!(s->header.features & QED_F_NEED_CHECK)) {
+        return;
+    }
+
+    /* Ensure fixes reach storage before clearing check bit */
+    bdrv_flush(s->bs);
+
+    s->header.features &= ~QED_F_NEED_CHECK;
+    qed_write_header_sync(s);
+}
+
+/* Called with table_lock held.  */
+int coroutine_fn qed_check(BDRVQEDState *s, BdrvCheckResult *result, bool fix)
 {
     QEDCheck check = {
         .s = s,
@@ -205,16 +229,21 @@ int qed_check(BDRVQEDState *s, BdrvCheckResult *result, bool fix)
     };
     int ret;
 
-    check.used_clusters = g_malloc0(((check.nclusters + 31) / 32) *
-                                       sizeof(check.used_clusters[0]));
+    check.used_clusters = g_try_new0(uint32_t, (check.nclusters + 31) / 32);
+    if (check.nclusters && check.used_clusters == NULL) {
+        return -ENOMEM;
+    }
 
     check.result->bfi.total_clusters =
-        (s->header.image_size + s->header.cluster_size - 1) /
-            s->header.cluster_size;
+        DIV_ROUND_UP(s->header.image_size, s->header.cluster_size);
     ret = qed_check_l1_table(&check, s->l1_table);
     if (ret == 0) {
         /* Only check for leaks if entire image was scanned successfully */
         qed_check_for_leaks(&check);
+
+        if (fix) {
+            qed_check_mark_clean(s, result);
+        }
     }
 
     g_free(check.used_clusters);