diff options
| author | Max Reitz <mreitz@redhat.com> | 2015-02-10 15:28:43 -0500 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2015-03-10 14:02:20 +0100 |
| commit | 346a53df38e29021e4a9e8c2a759b05744902857 (patch) | |
| tree | 4fb40e0b5184a98ccd17fb7d67708a7ef9c88c5b /block/qcow2-refcount.c | |
| parent | 0a6ed700061fdd86b3c4b71366be42503ac2ce23 (diff) | |
qcow2: Add two new fields to BDRVQcowState
Add two new fields regarding refcount information (the bit width of
every entry and the maximum refcount value) to the BDRVQcowState.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block/qcow2-refcount.c')
| -rw-r--r-- | block/qcow2-refcount.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/block/qcow2-refcount.c b/block/qcow2-refcount.c index 9b80ca79ea..e124a5418e 100644 --- a/block/qcow2-refcount.c +++ b/block/qcow2-refcount.c @@ -584,7 +584,7 @@ static int QEMU_WARN_UNUSED_RESULT update_refcount(BlockDriverState *bs, refcount = be16_to_cpu(refcount_block[block_index]); refcount += addend; - if (refcount < 0 || refcount > 0xffff) { + if (refcount < 0 || refcount > s->refcount_max) { ret = -EINVAL; goto fail; } @@ -775,7 +775,7 @@ int64_t qcow2_alloc_bytes(BlockDriverState *bs, int size) return refcount; } - if (refcount == 0xffff) { + if (refcount == s->refcount_max) { offset = 0; } } |