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-rw-r--r--include/block/block.h6
-rw-r--r--include/glib-compat.h9
2 files changed, 13 insertions, 2 deletions
diff --git a/include/block/block.h b/include/block/block.h
index 467fb2ba0a..1b119aac24 100644
--- a/include/block/block.h
+++ b/include/block/block.h
@@ -34,6 +34,10 @@ typedef struct BlockDriverInfo {
* opened with BDRV_O_UNMAP flag for this to work.
*/
bool can_write_zeroes_with_unmap;
+ /*
+ * True if this block driver only supports compressed writes
+ */
+ bool needs_compressed_writes;
} BlockDriverInfo;
typedef struct BlockFragInfo {
@@ -191,7 +195,7 @@ int bdrv_open_image(BlockDriverState **pbs, const char *filename,
QDict *options, const char *bdref_key, int flags,
bool allow_none, Error **errp);
int bdrv_open_backing_file(BlockDriverState *bs, QDict *options, Error **errp);
-void bdrv_append_temp_snapshot(BlockDriverState *bs, Error **errp);
+void bdrv_append_temp_snapshot(BlockDriverState *bs, int flags, Error **errp);
int bdrv_open(BlockDriverState **pbs, const char *filename,
const char *reference, QDict *options, int flags,
BlockDriver *drv, Error **errp);
diff --git a/include/glib-compat.h b/include/glib-compat.h
index 8d25900700..1280fb2c1f 100644
--- a/include/glib-compat.h
+++ b/include/glib-compat.h
@@ -24,7 +24,14 @@ static inline guint g_timeout_add_seconds(guint interval, GSourceFunc function,
}
#endif
-#if !GLIB_CHECK_VERSION(2, 20, 0)
+#ifdef _WIN32
+/*
+ * g_poll has a problem on Windows when using
+ * timeouts < 10ms, so use wrapper.
+ */
+#define g_poll(fds, nfds, timeout) g_poll_fixed(fds, nfds, timeout)
+gint g_poll_fixed(GPollFD *fds, guint nfds, gint timeout);
+#elif !GLIB_CHECK_VERSION(2, 20, 0)
/*
* Glib before 2.20.0 doesn't implement g_poll, so wrap it to compile properly
* on older systems.