vl.c: extend -m option to support options for memory hotplug

[qemu.git] / blockdev.c

diff --git a/blockdev.c b/blockdev.c
index 0505f9d8465cd45e75bc51de0b4bb447d08d6d20..9b0f8ac45ea0c6f6cd5e79c3101f51d96f4a9c0d 100644 (file)
--- a/blockdev.c
+++ b/blockdev.c
@@ -106,7 +106,7 @@ void blockdev_auto_del(BlockDriverState *bs)
     DriveInfo *dinfo = drive_get_by_blockdev(bs);
 
     if (dinfo && dinfo->auto_del) {
-        drive_put_ref(dinfo);
+        drive_del(dinfo);
     }
 }
 
@@ -213,7 +213,7 @@ static void bdrv_format_print(void *opaque, const char *name)
     error_printf(" %s", name);
 }
 
-static void drive_uninit(DriveInfo *dinfo)
+void drive_del(DriveInfo *dinfo)
 {
     if (dinfo->opts) {
         qemu_opts_del(dinfo->opts);
@@ -226,19 +226,6 @@ static void drive_uninit(DriveInfo *dinfo)
     g_free(dinfo);
 }
 
-void drive_put_ref(DriveInfo *dinfo)
-{
-    assert(dinfo->refcount);
-    if (--dinfo->refcount == 0) {
-        drive_uninit(dinfo);
-    }
-}
-
-void drive_get_ref(DriveInfo *dinfo)
-{
-    dinfo->refcount++;
-}
-
 typedef struct {
     QEMUBH *bh;
     BlockDriverState *bs;
@@ -497,7 +484,6 @@ static DriveInfo *blockdev_init(const char *file, QDict *bs_opts,
     dinfo->bdrv->open_flags = snapshot ? BDRV_O_SNAPSHOT : 0;
     dinfo->bdrv->read_only = ro;
     dinfo->bdrv->detect_zeroes = detect_zeroes;
-    dinfo->refcount = 1;
     QTAILQ_INSERT_TAIL(&drives, dinfo, next);
 
     bdrv_set_on_error(dinfo->bdrv, on_read_error, on_write_error);
@@ -656,7 +642,7 @@ QemuOptsList qemu_legacy_drive_opts = {
     },
 };
 
-DriveInfo *drive_init(QemuOpts *all_opts, BlockInterfaceType block_default_type)
+DriveInfo *drive_new(QemuOpts *all_opts, BlockInterfaceType block_default_type)
 {
     const char *value;
     DriveInfo *dinfo = NULL;
@@ -1801,7 +1787,7 @@ int do_drive_del(Monitor *mon, const QDict *qdict, QObject **ret_data)
         bdrv_set_on_error(bs, BLOCKDEV_ON_ERROR_REPORT,
                           BLOCKDEV_ON_ERROR_REPORT);
     } else {
-        drive_uninit(drive_get_by_blockdev(bs));
+        drive_del(drive_get_by_blockdev(bs));
     }
 
     return 0;
@@ -2344,9 +2330,9 @@ void qmp_blockdev_add(BlockdevOptions *options, Error **errp)
         goto fail;
     }
 
-    /* TODO Sort it out in raw-posix and drive_init: Reject aio=native with
+    /* TODO Sort it out in raw-posix and drive_new(): Reject aio=native with
      * cache.direct=false instead of silently switching to aio=threads, except
-     * if called from drive_init.
+     * when called from drive_new().
      *
      * For now, simply forbidding the combination for all drivers will do. */
     if (options->has_aio && options->aio == BLOCKDEV_AIO_OPTIONS_NATIVE) {
@@ -2378,7 +2364,7 @@ void qmp_blockdev_add(BlockdevOptions *options, Error **errp)
     }
 
     if (bdrv_key_required(dinfo->bdrv)) {
-        drive_uninit(dinfo);
+        drive_del(dinfo);
         error_setg(errp, "blockdev-add doesn't support encrypted devices");
         goto fail;
     }