Patchwork [01/35] qcow2: removed unused depends_on field

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Submitter Kevin Wolf
Date Sept. 12, 2011, 2:19 p.m.
Message ID <1315837174-15327-2-git-send-email-kwolf@redhat.com>
Download mbox | patch
Permalink /patch/114344/
State New
Headers show

Comments

Kevin Wolf - Sept. 12, 2011, 2:19 p.m.
From: Frediano Ziglio <freddy77@gmail.com>

Signed-off-by: Frediano Ziglio <freddy77@gmail.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
 block/qcow2-cluster.c |    3 +--
 block/qcow2.h         |    1 -
 2 files changed, 1 insertions(+), 3 deletions(-)

Patch

diff --git a/block/qcow2-cluster.c b/block/qcow2-cluster.c
index e06be64..113db8b 100644
--- a/block/qcow2-cluster.c
+++ b/block/qcow2-cluster.c
@@ -694,7 +694,7 @@  err:
  * If the offset is not found, allocate a new cluster.
  *
  * 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
  * contiguous clusters that have been allocated. In this case, the other
@@ -736,7 +736,6 @@  again:
 
         cluster_offset &= ~QCOW_OFLAG_COPIED;
         m->nb_clusters = 0;
-        m->depends_on = NULL;
 
         goto out;
     }
diff --git a/block/qcow2.h b/block/qcow2.h
index c8ca3bc..531af39 100644
--- a/block/qcow2.h
+++ b/block/qcow2.h
@@ -148,7 +148,6 @@  typedef struct QCowL2Meta
     int n_start;
     int nb_available;
     int nb_clusters;
-    struct QCowL2Meta *depends_on;
     CoQueue dependent_requests;
 
     QLIST_ENTRY(QCowL2Meta) next_in_flight;