| commit | 21df65b6444858ddee3a86d8666571bb41695614 | |
| author | Anthony Liguori <aliguori@us.ibm.com> | |
| Fri, 17 Dec 2010 15:58:22 +0000 (17 15:58 +0000) | ||
| committer | Kevin Wolf <kwolf@redhat.com> | |
| Wed, 13 Apr 2011 10:06:41 +0000 (13 12:06 +0200) | ||
| tree | 142793b8ae8e6fef8b1aa412cf39e2340091fdf9 | treesnapshot (tar.gz zip) |
| parent | d54f10bba7635b5ad8b750afd2bb2f0f8eb68b45 | commitdiff |
qed: Add support for zero clusters
Zero clusters are similar to unallocated clusters except instead of reading
their value from a backing file when one is available, the cluster is always
read as zero.
This implements read support only. At this stage, QED will never write a
zero cluster.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Zero clusters are similar to unallocated clusters except instead of reading
their value from a backing file when one is available, the cluster is always
read as zero.
This implements read support only. At this stage, QED will never write a
zero cluster.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
| block/qed-check.c | diffblobblamehistory | |
| block/qed-cluster.c | diffblobblamehistory | |
| block/qed.c | diffblobblamehistory | |
| block/qed.h | diffblobblamehistory |