i386: make 'hv-spinlocks' a regular uint32 property

[mirror_qemu.git] / block / nfs.c

diff --git a/block/nfs.c b/block/nfs.c
index 66fddf12d415cbf374f4d5471f5c4a0d86fbb9c7..d93241b3bb84cf0a662f0ddec5829744fa9b5a47 100644 (file)
--- a/block/nfs.c
+++ b/block/nfs.c
@@ -29,8 +29,10 @@
 #include "qemu/error-report.h"
 #include "qapi/error.h"
 #include "block/block_int.h"
+#include "block/qdict.h"
 #include "trace.h"
 #include "qemu/iov.h"
+#include "qemu/module.h"
 #include "qemu/option.h"
 #include "qemu/uri.h"
 #include "qemu/cutils.h"
@@ -555,24 +557,29 @@ static BlockdevOptionsNfs *nfs_options_qdict_to_qapi(QDict *options,
                                                      Error **errp)
 {
     BlockdevOptionsNfs *opts = NULL;
-    QObject *crumpled = NULL;
     Visitor *v;
+    const QDictEntry *e;
     Error *local_err = NULL;
 
-    crumpled = qdict_crumple(options, errp);
-    if (crumpled == NULL) {
+    v = qobject_input_visitor_new_flat_confused(options, errp);
+    if (!v) {
         return NULL;
     }
 
-    v = qobject_input_visitor_new_keyval(crumpled);
     visit_type_BlockdevOptionsNfs(v, NULL, &opts, &local_err);
     visit_free(v);
-    qobject_unref(crumpled);
 
     if (local_err) {
+        error_propagate(errp, local_err);
         return NULL;
     }
 
+    /* Remove the processed options from the QDict (the visitor processes
+     * _all_ options in the QDict) */
+    while ((e = qdict_first(options))) {
+        qdict_del(options, e->key);
+    }
+
     return opts;
 }
 
@@ -737,8 +744,9 @@ static int64_t nfs_get_allocated_file_size(BlockDriverState *bs)
     return (task.ret < 0 ? task.ret : st.st_blocks * 512);
 }
 
-static int nfs_file_truncate(BlockDriverState *bs, int64_t offset,
-                             PreallocMode prealloc, Error **errp)
+static int coroutine_fn
+nfs_file_co_truncate(BlockDriverState *bs, int64_t offset,
+                     PreallocMode prealloc, Error **errp)
 {
     NFSClient *client = bs->opaque;
     int ret;
@@ -792,14 +800,9 @@ static int nfs_reopen_prepare(BDRVReopenState *state,
     return 0;
 }
 
-static void nfs_refresh_filename(BlockDriverState *bs, QDict *options)
+static void nfs_refresh_filename(BlockDriverState *bs)
 {
     NFSClient *client = bs->opaque;
-    QDict *opts = qdict_new();
-    QObject *server_qdict;
-    Visitor *ov;
-
-    qdict_put_str(opts, "driver", "nfs");
 
     if (client->uid && !client->gid) {
         snprintf(bs->exact_filename, sizeof(bs->exact_filename),
@@ -817,35 +820,20 @@ static void nfs_refresh_filename(BlockDriverState *bs, QDict *options)
         snprintf(bs->exact_filename, sizeof(bs->exact_filename),
                  "nfs://%s%s", client->server->host, client->path);
     }
+}
 
-    ov = qobject_output_visitor_new(&server_qdict);
-    visit_type_NFSServer(ov, NULL, &client->server, &error_abort);
-    visit_complete(ov, &server_qdict);
-    qdict_put_obj(opts, "server", server_qdict);
-    qdict_put_str(opts, "path", client->path);
+static char *nfs_dirname(BlockDriverState *bs, Error **errp)
+{
+    NFSClient *client = bs->opaque;
 
-    if (client->uid) {
-        qdict_put_int(opts, "user", client->uid);
-    }
-    if (client->gid) {
-        qdict_put_int(opts, "group", client->gid);
-    }
-    if (client->tcp_syncnt) {
-        qdict_put_int(opts, "tcp-syn-cnt", client->tcp_syncnt);
-    }
-    if (client->readahead) {
-        qdict_put_int(opts, "readahead-size", client->readahead);
-    }
-    if (client->pagecache) {
-        qdict_put_int(opts, "page-cache-size", client->pagecache);
-    }
-    if (client->debug) {
-        qdict_put_int(opts, "debug", client->debug);
+    if (client->uid || client->gid) {
+        bdrv_refresh_filename(bs);
+        error_setg(errp, "Cannot generate a base directory for NFS node '%s'",
+                   bs->filename);
+        return NULL;
     }
 
-    visit_free(ov);
-    qdict_flatten(opts);
-    bs->full_open_options = opts;
+    return g_strdup_printf("nfs://%s%s/", client->server->host, client->path);
 }
 
 #ifdef LIBNFS_FEATURE_PAGECACHE
@@ -857,6 +845,15 @@ static void coroutine_fn nfs_co_invalidate_cache(BlockDriverState *bs,
 }
 #endif
 
+static const char *nfs_strong_runtime_opts[] = {
+    "path",
+    "user",
+    "group",
+    "server.",
+
+    NULL
+};
+
 static BlockDriver bdrv_nfs = {
     .format_name                    = "nfs",
     .protocol_name                  = "nfs",
@@ -867,7 +864,7 @@ static BlockDriver bdrv_nfs = {
 
     .bdrv_has_zero_init             = nfs_has_zero_init,
     .bdrv_get_allocated_file_size   = nfs_get_allocated_file_size,
-    .bdrv_truncate                  = nfs_file_truncate,
+    .bdrv_co_truncate               = nfs_file_co_truncate,
 
     .bdrv_file_open                 = nfs_file_open,
     .bdrv_close                     = nfs_file_close,
@@ -882,6 +879,9 @@ static BlockDriver bdrv_nfs = {
     .bdrv_detach_aio_context        = nfs_detach_aio_context,
     .bdrv_attach_aio_context        = nfs_attach_aio_context,
     .bdrv_refresh_filename          = nfs_refresh_filename,
+    .bdrv_dirname                   = nfs_dirname,
+
+    .strong_runtime_opts            = nfs_strong_runtime_opts,
 
 #ifdef LIBNFS_FEATURE_PAGECACHE
     .bdrv_co_invalidate_cache       = nfs_co_invalidate_cache,