diff options
Diffstat (limited to 'block/vvfat.c')
-rw-r--r-- | block/vvfat.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/block/vvfat.c b/block/vvfat.c index 970cccf1a4..e1fcdbc45b 100644 --- a/block/vvfat.c +++ b/block/vvfat.c @@ -2727,6 +2727,17 @@ DLOG(checkpoint()); return 0; } +static coroutine_fn int vvfat_co_write(BlockDriverState *bs, int64_t sector_num, + const uint8_t *buf, int nb_sectors) +{ + int ret; + BDRVVVFATState *s = bs->opaque; + qemu_co_mutex_lock(&s->lock); + ret = vvfat_write(bs, sector_num, buf, nb_sectors); + qemu_co_mutex_unlock(&s->lock); + return ret; +} + static int vvfat_is_allocated(BlockDriverState *bs, int64_t sector_num, int nb_sectors, int* n) { @@ -2817,7 +2828,7 @@ static BlockDriver bdrv_vvfat = { .instance_size = sizeof(BDRVVVFATState), .bdrv_file_open = vvfat_open, .bdrv_read = vvfat_co_read, - .bdrv_write = vvfat_write, + .bdrv_write = vvfat_co_write, .bdrv_close = vvfat_close, .bdrv_is_allocated = vvfat_is_allocated, .protocol_name = "fat", |