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| author | Kevin Wolf <kwolf@redhat.com> | 2010-06-18 16:22:00 +0200 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2010-06-22 14:38:02 +0200 |
| commit | b8852e87d9d113096342c3e0977266cda0fe9ee5 (patch) | |
| tree | e4b563eda077d68c4e4fc863508b6288b8ae25f6 /block/vmdk.c | |
| parent | 8b3b720620a1137a1b794fc3ed64734236f94e06 (diff) | |
| download | qemu-b8852e87d9d113096342c3e0977266cda0fe9ee5.zip qemu-b8852e87d9d113096342c3e0977266cda0fe9ee5.tar.gz qemu-b8852e87d9d113096342c3e0977266cda0fe9ee5.tar.bz2 | |
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 <kwolf@redhat.com>
Diffstat (limited to 'block/vmdk.c')
| -rw-r--r-- | block/vmdk.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/block/vmdk.c b/block/vmdk.c index e659908..2d4ba42 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; } |