aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorFam Zheng <famz@redhat.com>2018-07-10 14:31:18 +0800
committerKevin Wolf <kwolf@redhat.com>2018-07-10 16:01:52 +0200
commit22931a15336e8b7726965c699981fd108620014b (patch)
treea609a0e89d36ab38e844110ca60edc4468f337b6
parent0b9fd3f467dc5ac041fa014cd28c949b25b87d25 (diff)
block: Use uint64_t for BdrvTrackedRequest byte fields
This matches the types used for bytes in the rest parts of block layer. In the case of bdrv_co_truncate, new_bytes can be the image size which probably doesn't fit in a 32 bit int. Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
-rw-r--r--block/io.c8
-rw-r--r--include/block/block_int.h4
2 files changed, 7 insertions, 5 deletions
diff --git a/block/io.c b/block/io.c
index fbcd93304b..6293612e73 100644
--- a/block/io.c
+++ b/block/io.c
@@ -601,9 +601,11 @@ static void tracked_request_end(BdrvTrackedRequest *req)
static void tracked_request_begin(BdrvTrackedRequest *req,
BlockDriverState *bs,
int64_t offset,
- unsigned int bytes,
+ uint64_t bytes,
enum BdrvTrackedRequestType type)
{
+ assert(bytes <= INT64_MAX && offset <= INT64_MAX - bytes);
+
*req = (BdrvTrackedRequest){
.bs = bs,
.offset = offset,
@@ -625,7 +627,7 @@ static void tracked_request_begin(BdrvTrackedRequest *req,
static void mark_request_serialising(BdrvTrackedRequest *req, uint64_t align)
{
int64_t overlap_offset = req->offset & ~(align - 1);
- unsigned int overlap_bytes = ROUND_UP(req->offset + req->bytes, align)
+ uint64_t overlap_bytes = ROUND_UP(req->offset + req->bytes, align)
- overlap_offset;
if (!req->serialising) {
@@ -683,7 +685,7 @@ static int bdrv_get_cluster_size(BlockDriverState *bs)
}
static bool tracked_request_overlaps(BdrvTrackedRequest *req,
- int64_t offset, unsigned int bytes)
+ int64_t offset, uint64_t bytes)
{
/* aaaa bbbb */
if (offset >= req->overlap_offset + req->overlap_bytes) {
diff --git a/include/block/block_int.h b/include/block/block_int.h
index 920d3d122b..903b9c1034 100644
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -69,12 +69,12 @@ enum BdrvTrackedRequestType {
typedef struct BdrvTrackedRequest {
BlockDriverState *bs;
int64_t offset;
- unsigned int bytes;
+ uint64_t bytes;
enum BdrvTrackedRequestType type;
bool serialising;
int64_t overlap_offset;
- unsigned int overlap_bytes;
+ uint64_t overlap_bytes;
QLIST_ENTRY(BdrvTrackedRequest) list;
Coroutine *co; /* owner, used for deadlock detection */