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authorKevin Wolf <kwolf@redhat.com>2010-06-18 16:22:00 +0200
committerKevin Wolf <kwolf@redhat.com>2010-06-22 14:38:02 +0200
commitb8852e87d9d113096342c3e0977266cda0fe9ee5 (patch)
treee4b563eda077d68c4e4fc863508b6288b8ae25f6 /block
parent8b3b720620a1137a1b794fc3ed64734236f94e06 (diff)
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')
-rw-r--r--block/vmdk.c10
1 files changed, 5 insertions, 5 deletions
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;
}