diff options
Diffstat (limited to 'block/vpc.c')
| -rw-r--r-- | block/vpc.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/block/vpc.c b/block/vpc.c index 9155ee15e3..0941533f43 100644 --- a/block/vpc.c +++ b/block/vpc.c @@ -409,6 +409,17 @@ static int vpc_read(BlockDriverState *bs, int64_t sector_num, return 0; } +static coroutine_fn int vpc_co_read(BlockDriverState *bs, int64_t sector_num, + uint8_t *buf, int nb_sectors) +{ + int ret; + BDRVVPCState *s = bs->opaque; + qemu_co_mutex_lock(&s->lock); + ret = vpc_read(bs, sector_num, buf, nb_sectors); + qemu_co_mutex_unlock(&s->lock); + return ret; +} + static int vpc_write(BlockDriverState *bs, int64_t sector_num, const uint8_t *buf, int nb_sectors) { @@ -641,7 +652,7 @@ static BlockDriver bdrv_vpc = { .instance_size = sizeof(BDRVVPCState), .bdrv_probe = vpc_probe, .bdrv_open = vpc_open, - .bdrv_read = vpc_read, + .bdrv_read = vpc_co_read, .bdrv_write = vpc_write, .bdrv_flush = vpc_flush, .bdrv_close = vpc_close, |