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authorVladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>2019-04-23 15:57:04 +0300
committerKevin Wolf <kwolf@redhat.com>2019-06-04 16:55:58 +0200
commit1477b6c803491cd1146a8858bf5cf8159913054d (patch)
tree9c98245a153af17cfd81b7b3275131f10c289c5e /block/qcow2-refcount.c
parent42a65f02f9b380bd8074882d5844d4ea033389cc (diff)
block/qcow2-refcount: add trace-point to qcow2_process_discards
Let's at least trace ignored failure. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block/qcow2-refcount.c')
-rw-r--r--block/qcow2-refcount.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/block/qcow2-refcount.c b/block/qcow2-refcount.c
index 3a2c673a5e..22cadd79d5 100644
--- a/block/qcow2-refcount.c
+++ b/block/qcow2-refcount.c
@@ -29,6 +29,7 @@
#include "qemu/range.h"
#include "qemu/bswap.h"
#include "qemu/cutils.h"
+#include "trace.h"
static int64_t alloc_clusters_noref(BlockDriverState *bs, uint64_t size,
uint64_t max);
@@ -737,7 +738,11 @@ void qcow2_process_discards(BlockDriverState *bs, int ret)
/* Discard is optional, ignore the return value */
if (ret >= 0) {
- bdrv_pdiscard(bs->file, d->offset, d->bytes);
+ int r2 = bdrv_pdiscard(bs->file, d->offset, d->bytes);
+ if (r2 < 0) {
+ trace_qcow2_process_discards_failed_region(d->offset, d->bytes,
+ r2);
+ }
}
g_free(d);