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qcow2: removed unused depends_on field

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Signed-off-by: Frediano Ziglio <freddy77@gmail.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Frediano Ziglio 2011-09-07 16:19:17 +02:00 committed by Kevin Wolf
parent 44520db10b
commit a791236992
2 changed files with 1 additions and 3 deletions
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3
block/qcow2-cluster.c
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@ -694,7 +694,7 @@ err:
* If the offset is not found, allocate a new cluster. * If the offset is not found, allocate a new cluster.
* *
* If the cluster was already allocated, m->nb_clusters is set to 0, * If the cluster was already allocated, m->nb_clusters is set to 0,
* m->depends_on is set to NULL and the other fields in m are meaningless. * other fields in m are meaningless.
* *
* If the cluster is newly allocated, m->nb_clusters is set to the number of * If the cluster is newly allocated, m->nb_clusters is set to the number of
* contiguous clusters that have been allocated. In this case, the other * contiguous clusters that have been allocated. In this case, the other
@ -736,7 +736,6 @@ again:
cluster_offset &= ~QCOW_OFLAG_COPIED; cluster_offset &= ~QCOW_OFLAG_COPIED;
m->nb_clusters = 0; m->nb_clusters = 0;
m->depends_on = NULL;
goto out; goto out;
} }

1
block/qcow2.h
View File

@ -148,7 +148,6 @@ typedef struct QCowL2Meta
int n_start; int n_start;
int nb_available; int nb_available;
int nb_clusters; int nb_clusters;
struct QCowL2Meta *depends_on;
CoQueue dependent_requests; CoQueue dependent_requests;
QLIST_ENTRY(QCowL2Meta) next_in_flight; QLIST_ENTRY(QCowL2Meta) next_in_flight;