#include "qemu/main-loop.h"
#include "qemu/throttle-options.h"
+/* Protected by BQL */
QTAILQ_HEAD(, BlockDriverState) monitor_bdrv_states =
QTAILQ_HEAD_INITIALIZER(monitor_bdrv_states);
void bdrv_set_monitor_owned(BlockDriverState *bs)
{
+ GLOBAL_STATE_CODE();
QTAILQ_INSERT_TAIL(&monitor_bdrv_states, bs, monitor_list);
}
BlockBackend *blk;
DriveInfo *dinfo;
+ GLOBAL_STATE_CODE();
+
if (max_devs <= 0) {
return;
}
DriveInfo *dinfo = blk_legacy_dinfo(blk);
BlockJob *job;
+ GLOBAL_STATE_CODE();
+
if (!dinfo) {
return;
}
void blockdev_auto_del(BlockBackend *blk)
{
DriveInfo *dinfo = blk_legacy_dinfo(blk);
+ GLOBAL_STATE_CODE();
if (dinfo && dinfo->auto_del) {
monitor_remove_blk(blk);
{
QemuOpts *opts;
+ GLOBAL_STATE_CODE();
+
opts = qemu_opts_parse_noisily(qemu_find_opts("drive"), optstr, false);
if (!opts) {
return NULL;
BlockBackend *blk;
DriveInfo *dinfo;
+ GLOBAL_STATE_CODE();
+
for (blk = blk_next(NULL); blk; blk = blk_next(blk)) {
dinfo = blk_legacy_dinfo(blk);
if (dinfo && dinfo->type == type
Location loc;
bool orphans = false;
+ GLOBAL_STATE_CODE();
+
for (blk = blk_next(NULL); blk; blk = blk_next(blk)) {
dinfo = blk_legacy_dinfo(blk);
/*
DriveInfo *drive_get_by_index(BlockInterfaceType type, int index)
{
+ GLOBAL_STATE_CODE();
return drive_get(type,
drive_index_to_bus_id(type, index),
drive_index_to_unit_id(type, index));
BlockBackend *blk;
DriveInfo *dinfo;
+ GLOBAL_STATE_CODE();
+
max_bus = -1;
for (blk = blk_next(NULL); blk; blk = blk_next(blk)) {
dinfo = blk_legacy_dinfo(blk);
{
int bdrv_flags = 0;
+ GLOBAL_STATE_CODE();
/* bdrv_open() defaults to the values in bdrv_flags (for compatibility
* with other callers) rather than what we want as the real defaults.
* Apply the defaults here instead. */
{
BlockDriverState *bs, *next_bs;
+ GLOBAL_STATE_CODE();
QTAILQ_FOREACH_SAFE(bs, &monitor_bdrv_states, monitor_list, next_bs) {
AioContext *ctx = bdrv_get_aio_context(bs);
/* Iterates over the list of monitor-owned BlockDriverStates */
BlockDriverState *bdrv_next_monitor_owned(BlockDriverState *bs)
{
+ GLOBAL_STATE_CODE();
return bs ? QTAILQ_NEXT(bs, monitor_list)
: QTAILQ_FIRST(&monitor_bdrv_states);
}
const char *filename;
int i;
+ GLOBAL_STATE_CODE();
+
/* Change legacy command line options into QMP ones */
static const struct {
const char *from;
*
* Only prepare() may fail. In a single transaction, only one of commit() or
* abort() will be called. clean() will always be called if it is present.
+ *
+ * Always run under BQL.
*/
typedef struct BlkActionOps {
size_t instance_size;
BlockDriverState *bs;
QEMUSnapshotInfo old_sn, *sn;
bool ret;
- qemu_timeval tv;
+ int64_t rt;
BlockdevSnapshotInternal *internal;
InternalSnapshotState *state;
AioContext *aio_context;
/* 3. take the snapshot */
sn = &state->sn;
pstrcpy(sn->name, sizeof(sn->name), name);
- qemu_gettimeofday(&tv);
- sn->date_sec = tv.tv_sec;
- sn->date_nsec = tv.tv_usec * 1000;
+ rt = g_get_real_time();
+ sn->date_sec = rt / G_USEC_PER_SEC;
+ sn->date_nsec = (rt % G_USEC_PER_SEC) * 1000;
sn->vm_clock_nsec = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
if (replay_mode != REPLAY_MODE_NONE) {
sn->icount = replay_get_current_icount();
/*
* 'Atomic' group operations. The operations are performed as a set, and if
* any fail then we roll back all operations in the group.
+ *
+ * Always run under BQL.
*/
void qmp_transaction(TransactionActionList *dev_list,
bool has_props,
BlkActionState *state, *next;
Error *local_err = NULL;
+ GLOBAL_STATE_CODE();
+
QTAILQ_HEAD(, BlkActionState) snap_bdrv_states;
QTAILQ_INIT(&snap_bdrv_states);
{
BlockReopenQueue *queue = NULL;
GSList *drained = NULL;
+ GSList *p;
/* Add each one of the BDS that we want to reopen to the queue */
for (; reopen_list != NULL; reopen_list = reopen_list->next) {
fail:
bdrv_reopen_queue_free(queue);
- g_slist_free_full(drained, (GDestroyNotify) bdrv_subtree_drained_end);
+ for (p = drained; p; p = p->next) {
+ BlockDriverState *bs = p->data;
+ AioContext *ctx = bdrv_get_aio_context(bs);
+
+ aio_context_acquire(ctx);
+ bdrv_subtree_drained_end(bs);
+ aio_context_release(ctx);
+ }
+ g_slist_free(drained);
}
void qmp_blockdev_del(const char *node_name, Error **errp)
AioContext *aio_context;
BlockDriverState *bs;
+ GLOBAL_STATE_CODE();
+
bs = bdrv_find_node(node_name);
if (!bs) {
error_setg(errp, "Failed to find node with node-name='%s'", node_name);