diff options
Diffstat (limited to 'block')
| -rw-r--r-- | block/io.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/block/io.c b/block/io.c index 313fe0776c..c88b2b48d7 100644 --- a/block/io.c +++ b/block/io.c @@ -40,6 +40,7 @@ static AioWait drain_all_aio_wait; +static void bdrv_parent_cb_resize(BlockDriverState *bs); static int coroutine_fn bdrv_co_do_pwrite_zeroes(BlockDriverState *bs, int64_t offset, int bytes, BdrvRequestFlags flags); @@ -1621,13 +1622,16 @@ bdrv_co_write_req_finish(BdrvChild *child, int64_t offset, uint64_t bytes, BlockDriverState *bs = child->bs; atomic_inc(&bs->write_gen); - bdrv_set_dirty(bs, offset, bytes); stat64_max(&bs->wr_highest_offset, offset + bytes); - if (ret == 0) { - bs->total_sectors = MAX(bs->total_sectors, end_sector); + if (ret == 0 && + end_sector > bs->total_sectors) { + bs->total_sectors = end_sector; + bdrv_parent_cb_resize(bs); + bdrv_dirty_bitmap_truncate(bs, end_sector << BDRV_SECTOR_BITS); } + bdrv_set_dirty(bs, offset, bytes); } /* |