From b8852e87d9d113096342c3e0977266cda0fe9ee5 Mon Sep 17 00:00:00 2001 From: Kevin Wolf Date: Fri, 18 Jun 2010 16:22:00 +0200 Subject: vmdk: Use bdrv_(p)write_sync for metadata writes Use bdrv_(p)write_sync to ensure metadata integrity in case of a crash. Signed-off-by: Kevin Wolf --- block/vmdk.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'block/vmdk.c') diff --git a/block/vmdk.c b/block/vmdk.c index e659908028..2d4ba421db 100644 --- a/block/vmdk.c +++ b/block/vmdk.c @@ -150,7 +150,7 @@ static int vmdk_write_cid(BlockDriverState *bs, uint32_t cid) pstrcat(desc, sizeof(desc), tmp_desc); } - if (bdrv_pwrite(bs->file, 0x200, desc, DESC_SIZE) != DESC_SIZE) + if (bdrv_pwrite_sync(bs->file, 0x200, desc, DESC_SIZE) < 0) return -1; return 0; } @@ -471,14 +471,14 @@ static int vmdk_L2update(BlockDriverState *bs, VmdkMetaData *m_data) BDRVVmdkState *s = bs->opaque; /* update L2 table */ - if (bdrv_pwrite(bs->file, ((int64_t)m_data->l2_offset * 512) + (m_data->l2_index * sizeof(m_data->offset)), - &(m_data->offset), sizeof(m_data->offset)) != sizeof(m_data->offset)) + if (bdrv_pwrite_sync(bs->file, ((int64_t)m_data->l2_offset * 512) + (m_data->l2_index * sizeof(m_data->offset)), + &(m_data->offset), sizeof(m_data->offset)) < 0) return -1; /* update backup L2 table */ if (s->l1_backup_table_offset != 0) { m_data->l2_offset = s->l1_backup_table[m_data->l1_index]; - if (bdrv_pwrite(bs->file, ((int64_t)m_data->l2_offset * 512) + (m_data->l2_index * sizeof(m_data->offset)), - &(m_data->offset), sizeof(m_data->offset)) != sizeof(m_data->offset)) + if (bdrv_pwrite_sync(bs->file, ((int64_t)m_data->l2_offset * 512) + (m_data->l2_index * sizeof(m_data->offset)), + &(m_data->offset), sizeof(m_data->offset)) < 0) return -1; } -- cgit v1.2.3