| Message ID | 1378695482-29805-5-git-send-email-xiawenc@linux.vnet.ibm.com |
|---|---|
| State | New |
| Headers | show |
On 09/08/2013 08:57 PM, Wenchao Xia wrote: > Some code in qcow2-snapshot.c directly access bs->file, so in those > points error can't be injected by other events. Since the code in > qcow2-snapshot.c is qcow2's internal detail similar as L1 table, > so add some debug events. > > Signed-off-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com> > --- > block/blkdebug.c | 4 ++++ > include/block/block.h | 4 ++++ > 2 files changed, 8 insertions(+), 0 deletions(-) Reviewed-by: Eric Blake <eblake@redhat.com>
diff --git a/block/blkdebug.c b/block/blkdebug.c index 5d33e03..30eda44 100644 --- a/block/blkdebug.c +++ b/block/blkdebug.c @@ -186,6 +186,10 @@ static const char *event_names[BLKDBG_EVENT_MAX] = { [BLKDBG_FLUSH_TO_OS] = "flush_to_os", [BLKDBG_FLUSH_TO_DISK] = "flush_to_disk", + + [BLKDBG_SNAPSHOT_L1_UPDATE] = "snapshot_l1_update", + [BLKDBG_SNAPSHOT_LIST_UPDATE] = "snapshot_list_update", + [BLKDBG_SNAPSHOT_HEADER_UPDATE] = "snapshot_header_update", }; static int get_event_by_name(const char *name, BlkDebugEvent *event) diff --git a/include/block/block.h b/include/block/block.h index e6b391c..e62098d 100644 --- a/include/block/block.h +++ b/include/block/block.h @@ -432,6 +432,10 @@ typedef enum { BLKDBG_FLUSH_TO_OS, BLKDBG_FLUSH_TO_DISK, + BLKDBG_SNAPSHOT_L1_UPDATE, + BLKDBG_SNAPSHOT_LIST_UPDATE, + BLKDBG_SNAPSHOT_HEADER_UPDATE, + BLKDBG_EVENT_MAX, } BlkDebugEvent;
Some code in qcow2-snapshot.c directly access bs->file, so in those points error can't be injected by other events. Since the code in qcow2-snapshot.c is qcow2's internal detail similar as L1 table, so add some debug events. Signed-off-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com> --- block/blkdebug.c | 4 ++++ include/block/block.h | 4 ++++ 2 files changed, 8 insertions(+), 0 deletions(-)