Commit bf736fe3 authored by Kevin Wolf's avatar Kevin Wolf Committed by Stefan Hajnoczi
Browse files

blkdebug: Add BLKDBG_FLUSH_TO_OS/DISK events


Signed-off-by: default avatarKevin Wolf <kwolf@redhat.com>
Signed-off-by: default avatarStefan Hajnoczi <stefanha@redhat.com>
parent 587da2c3
......@@ -3186,13 +3186,11 @@ int bdrv_load_vmstate(BlockDriverState *bs, uint8_t *buf,
void bdrv_debug_event(BlockDriverState *bs, BlkDebugEvent event)
{
BlockDriver *drv = bs->drv;
if (!drv || !drv->bdrv_debug_event) {
if (!bs || !bs->drv || !bs->drv->bdrv_debug_event) {
return;
}
drv->bdrv_debug_event(bs, event);
bs->drv->bdrv_debug_event(bs, event);
}
int bdrv_debug_breakpoint(BlockDriverState *bs, const char *event,
......@@ -4024,6 +4022,7 @@ int coroutine_fn bdrv_co_flush(BlockDriverState *bs)
}
/* Write back cached data to the OS even with cache=unsafe */
BLKDBG_EVENT(bs->file, BLKDBG_FLUSH_TO_OS);
if (bs->drv->bdrv_co_flush_to_os) {
ret = bs->drv->bdrv_co_flush_to_os(bs);
if (ret < 0) {
......@@ -4036,6 +4035,7 @@ int coroutine_fn bdrv_co_flush(BlockDriverState *bs)
goto flush_parent;
}
BLKDBG_EVENT(bs->file, BLKDBG_FLUSH_TO_DISK);
if (bs->drv->bdrv_co_flush_to_disk) {
ret = bs->drv->bdrv_co_flush_to_disk(bs);
} else if (bs->drv->bdrv_aio_flush) {
......
......@@ -182,6 +182,9 @@ static const char *event_names[BLKDBG_EVENT_MAX] = {
[BLKDBG_CLUSTER_ALLOC] = "cluster_alloc",
[BLKDBG_CLUSTER_ALLOC_BYTES] = "cluster_alloc_bytes",
[BLKDBG_CLUSTER_FREE] = "cluster_free",
[BLKDBG_FLUSH_TO_OS] = "flush_to_os",
[BLKDBG_FLUSH_TO_DISK] = "flush_to_disk",
};
static int get_event_by_name(const char *name, BlkDebugEvent *event)
......
......@@ -424,6 +424,9 @@ typedef enum {
BLKDBG_CLUSTER_ALLOC_BYTES,
BLKDBG_CLUSTER_FREE,
BLKDBG_FLUSH_TO_OS,
BLKDBG_FLUSH_TO_DISK,
BLKDBG_EVENT_MAX,
} BlkDebugEvent;
......
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