[Qemu-devel] [PATCH v5.2 2/2] qga-win: add driver path usage to GuestFilesystemInfo

[Chen Hanxiao]

From: Chen Hanxiao <address@hidden>

This patch adds support for getting the usage of
windows driver path.
The usage of fs stored as used_bytes and total_bytes.

Cc: Michael Roth <address@hidden>
Signed-off-by: Chen Hanxiao <address@hidden>
---
v2:
  unpack usage as used-bytes and total-bytes

 qga/commands-win32.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/qga/commands-win32.c b/qga/commands-win32.c
index 70ee5379f6..0103c0695c 100644
--- a/qga/commands-win32.c
+++ b/qga/commands-win32.c
@@ -670,6 +670,7 @@ static GuestFilesystemInfo *build_guest_fsinfo(char *guid, 
Error **errp)
     char fs_name[32];
     char vol_info[MAX_PATH+1];
     size_t len;
+    uint64_t i64FreeBytesToCaller, i64TotalBytes, i64FreeBytes;
     GuestFilesystemInfo *fs = NULL;
 
     GetVolumePathNamesForVolumeName(guid, (LPCH)&mnt, 0, &info_size);
@@ -699,10 +700,21 @@ static GuestFilesystemInfo *build_guest_fsinfo(char 
*guid, Error **errp)
     fs_name[sizeof(fs_name) - 1] = 0;
     fs = g_malloc(sizeof(*fs));
     fs->name = g_strdup(guid);
+    fs->has_total_bytes = false;
+    fs->has_used_bytes = false;
     if (len == 0) {
         fs->mountpoint = g_strdup("System Reserved");
     } else {
         fs->mountpoint = g_strndup(mnt_point, len);
+        if (GetDiskFreeSpaceEx(fs->mountpoint,
+                               (PULARGE_INTEGER) & i64FreeBytesToCaller,
+                               (PULARGE_INTEGER) & i64TotalBytes,
+                               (PULARGE_INTEGER) & i64FreeBytes)) {
+            fs->used_bytes = i64TotalBytes - i64FreeBytes;
+            fs->total_bytes = i64TotalBytes;
+            fs->has_total_bytes = true;
+            fs->has_used_bytes = true;
+        }
     }
     fs->type = g_strdup(fs_name);
     fs->disk = build_guest_disk_info(guid, errp);
-- 
2.17.1