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-rw-r--r--block/nfs.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/block/nfs.c b/block/nfs.c
index 5eb8c133b9..7220e8991b 100644
--- a/block/nfs.c
+++ b/block/nfs.c
@@ -36,6 +36,7 @@
 #include <nfsc/libnfs.h>
 
 #define QEMU_NFS_MAX_READAHEAD_SIZE 1048576
+#define QEMU_NFS_MAX_DEBUG_LEVEL 2
 
 typedef struct NFSClient {
     struct nfs_context *context;
@@ -334,6 +335,17 @@ static int64_t nfs_client_open(NFSClient *client, const char *filename,
             }
             nfs_set_readahead(client->context, val);
 #endif
+#ifdef LIBNFS_FEATURE_DEBUG
+        } else if (!strcmp(qp->p[i].name, "debug")) {
+            /* limit the maximum debug level to avoid potential flooding
+             * of our log files. */
+            if (val > QEMU_NFS_MAX_DEBUG_LEVEL) {
+                error_report("NFS Warning: Limiting NFS debug level"
+                             " to %d", QEMU_NFS_MAX_DEBUG_LEVEL);
+                val = QEMU_NFS_MAX_DEBUG_LEVEL;
+            }
+            nfs_set_debug(client->context, val);
+#endif
         } else {
             error_setg(errp, "Unknown NFS parameter name: %s",
                        qp->p[i].name);