From: Kevin Wolf Date: Wed, 14 Jul 2010 11:08:04 +0000 (+0200) Subject: vmdk: Use bdrv_(p)write_sync for metadata writes X-Git-Tag: v0.12.5~5 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=a9d9a66f13775cdcf502f7dc19bcfc01b63b7544;p=thirdparty%2Fqemu.git 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 (cherry picked from commit b8852e87d9d113096342c3e0977266cda0fe9ee5) Conflicts: block/vmdk.c Signed-off-by: Kevin Wolf --- diff --git a/block/vmdk.c b/block/vmdk.c index d52904a0e1c..cd872792455 100644 --- a/block/vmdk.c +++ b/block/vmdk.c @@ -153,7 +153,7 @@ static int vmdk_write_cid(BlockDriverState *bs, uint32_t cid) pstrcat(desc, sizeof(desc), tmp_desc); } - if (bdrv_pwrite(s->hd, 0x200, desc, DESC_SIZE) != DESC_SIZE) + if (bdrv_pwrite_sync(s->hd, 0x200, desc, DESC_SIZE) < 0) return -1; return 0; } @@ -482,14 +482,14 @@ static int vmdk_L2update(BlockDriverState *bs, VmdkMetaData *m_data) BDRVVmdkState *s = bs->opaque; /* update L2 table */ - if (bdrv_pwrite(s->hd, ((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(s->hd, ((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(s->hd, ((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(s->hd, ((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; }