Signed-off-by: Denis V. Lunev <d...@openvz.org>
CC: Kevin Wolf <kw...@redhat.com>
---
block/qcow2.c | 5 +++++
trace-events | 2 ++
2 files changed, 7 insertions(+)
diff --git a/block/qcow2.c b/block/qcow2.c
index 9a54bbd..97bf870 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -2435,6 +2435,9 @@ static coroutine_fn int
qcow2_co_write_zeroes(BlockDriverState *bs,
int head = sector_num % s->cluster_sectors;
int tail = (sector_num + nb_sectors) % s->cluster_sectors;
+ trace_qcow2_write_zeroes_start_req(qemu_coroutine_self(), sector_num,
+ nb_sectors);
+
if (head != 0 || tail != 0) {
int64_t cl_start = sector_num - head;
@@ -2457,6 +2460,8 @@ static coroutine_fn int
qcow2_co_write_zeroes(BlockDriverState *bs,
qemu_co_mutex_lock(&s->lock);
}
+ trace_qcow2_write_zeroes(qemu_coroutine_self(), sector_num, nb_sectors);
+
/* Whatever is left can use real zero clusters */
ret = qcow2_zero_clusters(bs, sector_num << BDRV_SECTOR_BITS, nb_sectors);
qemu_co_mutex_unlock(&s->lock);
diff --git a/trace-events b/trace-events
index 4fce005..627f34f 100644
--- a/trace-events
+++ b/trace-events
@@ -612,6 +612,8 @@ qcow2_writev_done_req(void *co, int ret) "co %p ret %d"
qcow2_writev_start_part(void *co) "co %p"
qcow2_writev_done_part(void *co, int cur_nr_sectors) "co %p cur_nr_sectors %d"
qcow2_writev_data(void *co, uint64_t offset) "co %p offset %" PRIx64
+qcow2_write_zeroes_start_req(void *co, int64_t sector, int nb_sectors) "co %p
sector %" PRIx64 " nb_sectors %d"
+qcow2_write_zeroes(void *co, int64_t sector, int nb_sectors) "co %p sector %"
PRIx64 " nb_sectors %d"
# block/qcow2-cluster.c
qcow2_alloc_clusters_offset(void *co, uint64_t offset, int num) "co %p offset
%" PRIx64 " num %d"
--
2.5.0
