[PATCH] ntdll: Add support for FileFsFullSizeInformation class in NtQueryVolumeInformationFile

[Alistair Leslie-Hughes]

From: Jianqiu Zhang

Signed-off-by: Alistair Leslie-Hughes 
---
 dlls/ntdll/file.c       | 54 ++++++++++++++++++++++++++++++++++++++++-
 dlls/ntdll/tests/file.c |  8 +-----
 2 files changed, 54 insertions(+), 8 deletions(-)

diff --git a/dlls/ntdll/file.c b/dlls/ntdll/file.c
index 31e0f1680b..99076791d5 100644
--- a/dlls/ntdll/file.c
+++ b/dlls/ntdll/file.c
@@ -3485,7 +3485,59 @@ NTSTATUS WINAPI NtQueryVolumeInformationFile( HANDLE handle, PIO_STATUS_BLOCK io
         FIXME( "%p: control info not supported\n", handle );
         break;
     case FileFsFullSizeInformation:
-        FIXME( "%p: full size info not supported\n", handle );
+        if (length < sizeof(FILE_FS_FULL_SIZE_INFORMATION))
+            io->u.Status = STATUS_BUFFER_TOO_SMALL;
+        else
+        {
+            FILE_FS_FULL_SIZE_INFORMATION *info = buffer;
+
+            if (fstat( fd, &st ) < 0)
+            {
+                io->u.Status = FILE_GetNtStatus();
+                break;
+            }
+            if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode))
+            {
+                io->u.Status = STATUS_INVALID_DEVICE_REQUEST;
+            }
+            else
+            {
+                ULONGLONG bsize;
+#if !defined(linux) || !defined(HAVE_FSTATFS)
+                struct statvfs stfs;
+
+                if (fstatvfs( fd, &stfs ) < 0)
+                {
+                    io->u.Status = FILE_GetNtStatus();
+                    break;
+                }
+                bsize = stfs.f_frsize;
+#else
+                struct statfs stfs;
+                if (fstatfs( fd, &stfs ) < 0)
+                {
+                    io->u.Status = FILE_GetNtStatus();
+                    break;
+                }
+                bsize = stfs.f_bsize;
+#endif
+                if (bsize == 2048)   /* assume CD-ROM */
+                {
+                    info->BytesPerSector = 2048;
+                    info->SectorsPerAllocationUnit = 1;
+                }
+                else
+                {
+                    info->BytesPerSector = 512;
+                    info->SectorsPerAllocationUnit = 8;
+                }
+                info->TotalAllocationUnits.QuadPart = bsize * stfs.f_blocks / (info->BytesPerSector * info->SectorsPerAllocationUnit);
+                info->CallerAvailableAllocationUnits.QuadPart = bsize * stfs.f_bavail / (info->BytesPerSector * info->SectorsPerAllocationUnit);
+                info->ActualAvailableAllocationUnits.QuadPart = bsize * stfs.f_bfree / (info->BytesPerSector * info->SectorsPerAllocationUnit);
+                io->Information = sizeof(*info);
+                io->u.Status = STATUS_SUCCESS;
+            }
+        }
         break;
     case FileFsObjectIdInformation:
         FIXME( "%p: object id info not supported\n", handle );
diff --git a/dlls/ntdll/tests/file.c b/dlls/ntdll/tests/file.c
index 31c18454f0..99c4a5cdc7 100644
--- a/dlls/ntdll/tests/file.c
+++ b/dlls/ntdll/tests/file.c
@@ -1265,7 +1265,7 @@ static void test_file_full_size_information(void)

/* Assume No Quota Settings configured on Wine Testbot */
     res = pNtQueryVolumeInformationFile(h, &io, &ffsi, sizeof ffsi, FileFsFullSizeInformation);
-    todo_wine ok(res == STATUS_SUCCESS, "cannot get attributes, res %x\n", res);
+    ok(res == STATUS_SUCCESS, "cannot get attributes, res %x\n", res);
     res = pNtQueryVolumeInformationFile(h, &io, &fsi, sizeof fsi, FileFsSizeInformation);
     ok(res == STATUS_SUCCESS, "cannot get attributes, res %x\n", res);

@@ -1281,8 +1281,6 @@ static void test_file_full_size_information(void)
     ok(fsi.BytesPerSector == 512, "[fsi] BytesPerSector expected 512, got %d\n",fsi.BytesPerSector);
     ok(fsi.SectorsPerAllocationUnit == 8, "[fsi] SectorsPerAllocationUnit expected 8, got %d\n",fsi.SectorsPerAllocationUnit);

-    todo_wine
-    {
     ok(ffsi.TotalAllocationUnits.QuadPart > 0,
         "[ffsi] TotalAllocationUnits expected positive, got negative value 0x%s\n",
         wine_dbgstr_longlong(ffsi.TotalAllocationUnits.QuadPart));
@@ -1300,14 +1298,10 @@ static void test_file_full_size_information(void)
         "[ffsi] CallerAvailableAllocationUnits error fsi:0x%s, ffsi: 0x%s\n",
         wine_dbgstr_longlong(fsi.AvailableAllocationUnits.QuadPart),
         wine_dbgstr_longlong(ffsi.CallerAvailableAllocationUnits.QuadPart));
-    }

/* Assume file system is NTFS */
-    todo_wine
-    {
     ok(ffsi.BytesPerSector == 512, "[ffsi] BytesPerSector expected 512, got %d\n",ffsi.BytesPerSector);
     ok(ffsi.SectorsPerAllocationUnit == 8, "[ffsi] SectorsPerAllocationUnit expected 8, got %d\n",ffsi.SectorsPerAllocationUnit);
-    }

CloseHandle( h );
 }