diff options
| author | Kevin Wolf <kwolf@redhat.com> | 2013-12-04 17:08:50 +0100 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2014-01-24 17:40:02 +0100 |
| commit | 7327145f63a224c9ba9c16d0c29781feffef8dc6 (patch) | |
| tree | ec973feb3da78d91386725321ee3108d050176d5 /include/block | |
| parent | 2dbafdc012d3ea81a97fec6226ca82d644539c9a (diff) | |
block: Make overlap range for serialisation dynamic
Copy on Read wants to serialise with all requests touching the same
cluster, so wait_serialising_requests() rounded to cluster boundaries.
Other users like alignment RMW will have different requirements, though
(requests touching the same sector), so make it dynamic.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Benoit Canet <benoit@irqsave.net>
Diffstat (limited to 'include/block')
| -rw-r--r-- | include/block/block_int.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/block/block_int.h b/include/block/block_int.h index c1153cb3ab..0ee955cb76 100644 --- a/include/block/block_int.h +++ b/include/block/block_int.h @@ -60,7 +60,11 @@ typedef struct BdrvTrackedRequest { int64_t offset; unsigned int bytes; bool is_write; + bool serialising; + int64_t overlap_offset; + unsigned int overlap_bytes; + QLIST_ENTRY(BdrvTrackedRequest) list; Coroutine *co; /* owner, used for deadlock detection */ CoQueue wait_queue; /* coroutines blocked on this request */ |