diff options
| -rw-r--r-- | block/io.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/block/io.c b/block/io.c index 00e45ca219..bae6947032 100644 --- a/block/io.c +++ b/block/io.c @@ -2278,16 +2278,17 @@ static void coroutine_fn bdrv_flush_co_entry(void *opaque) int coroutine_fn bdrv_co_flush(BlockDriverState *bs) { - int ret; + int current_gen; + int ret = 0; + + bdrv_inc_in_flight(bs); if (!bs || !bdrv_is_inserted(bs) || bdrv_is_read_only(bs) || bdrv_is_sg(bs)) { - return 0; + goto early_exit; } - bdrv_inc_in_flight(bs); - - int current_gen = bs->write_gen; + current_gen = bs->write_gen; /* Wait until any previous flushes are completed */ while (bs->active_flush_req) { @@ -2370,6 +2371,7 @@ out: /* Return value is ignored - it's ok if wait queue is empty */ qemu_co_queue_next(&bs->flush_queue); +early_exit: bdrv_dec_in_flight(bs); return ret; } |