Add or update some save data FS shim classes for 14.0.0

- SaveData
- SaveDataForDebug
- SaveDataManagement

src/LibHac/Fs/AccessLog.cs

@@ -241,6 +241,16 @@ namespace LibHac.Fs.Impl
             }
         }
 
+        public ReadOnlySpan<byte> ToString(SaveDataFormatType value)
+        {
+            switch (value)
+            {
+                case SaveDataFormatType.Normal: return new[] { (byte)'N', (byte)'o', (byte)'r', (byte)'m', (byte)'a', (byte)'l' };
+                case SaveDataFormatType.NoJournal: return new[] { (byte)'N', (byte)'o', (byte)'J', (byte)'o', (byte)'u', (byte)'r', (byte)'n', (byte)'a', (byte)'l' };
+                default: return ToValueString((int)value);
+            }
+        }
+
         public ReadOnlySpan<byte> ToString(ContentType value)
         {
             switch (value)
@@ -1083,6 +1093,16 @@ namespace LibHac.Fs.Impl
                 (byte)'d', (byte)':', (byte)' '
             };
 
+        /// <summary>"<c>, save_data_format_type: </c>"</summary>
+        public static ReadOnlySpan<byte> LogSaveDataFormatType => // ", save_data_format_type: "
+            new[]
+            {
+                (byte)',', (byte)' ', (byte)'s', (byte)'a', (byte)'v', (byte)'e', (byte)'_', (byte)'d',
+                (byte)'a', (byte)'t', (byte)'a', (byte)'_', (byte)'f', (byte)'o', (byte)'r', (byte)'m',
+                (byte)'a', (byte)'t', (byte)'_', (byte)'t', (byte)'y', (byte)'p', (byte)'e', (byte)':',
+                (byte)' '
+            };
+
         /// <summary>"<c>, save_data_time_stamp: </c>"</summary>
         public static ReadOnlySpan<byte> LogSaveDataTimeStamp => // ", save_data_time_stamp: "
             new[]

src/LibHac/Fs/Shim/SaveData.cs

@@ -6,7 +6,7 @@ using LibHac.Fs.Impl;
 using LibHac.FsSrv.Sf;
 using LibHac.Ncm;
 using LibHac.Os;
-
+using LibHac.Util;
 using static LibHac.Fs.Impl.AccessLogStrings;
 using static LibHac.Fs.SaveData;
 using IFileSystem = LibHac.Fs.Fsa.IFileSystem;
@@ -17,12 +17,12 @@ namespace LibHac.Fs.Shim;
 /// <summary>
 /// Contains functions for mounting save data and checking if save data already exists or not.
 /// </summary>
-/// <remarks>Based on nnSdk 13.4.0</remarks>
+/// <remarks>Based on nnSdk 14.3.0</remarks>
 [SkipLocalsInit]
 public static class SaveData
 {
-    private const long SaveDataSizeForDebug = 0x2000000;
-    private const long SaveDataJournalSizeForDebug = 0x2000000;
+    private const long SaveDataTotalSizeMax = 0xFA000000;
+    private const int SaveDataBlockSize = 0x4000;
 
     private static Result OpenSaveDataInternalStorageFileSystemImpl(FileSystemClient fs,
         ref UniqueRef<IFileSystem> outFileSystem, SaveDataSpaceId spaceId, ulong saveDataId)
@@ -42,6 +42,39 @@ public static class SaveData
         return Result.Success;
     }
 
+    private static Result ExtendSaveDataIfNeeded(FileSystemClient fs, UserId userId, long saveDataSize,
+        long saveDataJournalSize)
+    {
+        // Find the save data for the current program.
+        Result rc = SaveDataFilter.Make(out SaveDataFilter filter, InvalidProgramId.Value, SaveDataType.Account, userId,
+            InvalidSystemSaveDataId, index: 0, SaveDataRank.Primary);
+        if (rc.IsFailure()) return rc.Miss();
+
+        rc = fs.Impl.FindSaveDataWithFilter(out SaveDataInfo info, SaveDataSpaceId.User, in filter);
+        if (rc.IsFailure()) return rc.Miss();
+
+        SaveDataSpaceId spaceId = info.SpaceId;
+        ulong saveDataId = info.SaveDataId;
+
+        // Get the current save data's sizes.
+        rc = fs.Impl.GetSaveDataAvailableSize(out long availableSize, spaceId, saveDataId);
+        if (rc.IsFailure()) return rc.Miss();
+
+        rc = fs.Impl.GetSaveDataJournalSize(out long journalSize, spaceId, saveDataId);
+        if (rc.IsFailure()) return rc.Miss();
+
+        // Extend the save data if it's not large enough.
+        if (availableSize < saveDataSize || journalSize < saveDataJournalSize)
+        {
+            long newSaveDataSize = Math.Max(saveDataSize, availableSize);
+            long newJournalSize = Math.Max(saveDataJournalSize, journalSize);
+            rc = fs.Impl.ExtendSaveData(spaceId, saveDataId, newSaveDataSize, newJournalSize);
+            if (rc.IsFailure()) return rc.Miss();
+        }
+
+        return Result.Success;
+    }
+
     private static Result MountSaveDataImpl(this FileSystemClientImpl fs, U8Span mountName, SaveDataSpaceId spaceId,
         ProgramId programId, UserId userId, SaveDataType type, bool openReadOnly, ushort index)
     {
@@ -84,16 +117,26 @@ public static class SaveData
         return Result.Success;
     }
 
-    public static Result EnsureSaveDataForDebug(this FileSystemClientImpl fs, UserId userId)
+    public static Result EnsureSaveDataImpl(this FileSystemClientImpl fs, UserId userId, long saveDataSize,
+        long saveDataJournalSize, bool extendIfNeeded)
     {
+        if (!Alignment.IsAlignedPow2(saveDataSize, SaveDataBlockSize))
+            return ResultFs.InvalidSize.Log();
+
+        if (!Alignment.IsAlignedPow2(saveDataJournalSize, SaveDataBlockSize))
+            return ResultFs.InvalidSize.Log();
+
+        if (saveDataSize + saveDataJournalSize > SaveDataTotalSizeMax)
+            return ResultFs.InvalidSize.Log();
+
         using SharedRef<IFileSystemProxy> fileSystemProxy = fs.GetFileSystemProxyServiceObject();
 
-        Result rc = SaveDataAttribute.Make(out SaveDataAttribute attribute, ProgramId.InvalidId, SaveDataType.Account,
-            InvalidUserId, InvalidSystemSaveDataId);
+        Result rc = SaveDataAttribute.Make(out SaveDataAttribute attribute, InvalidProgramId, SaveDataType.Account,
+            userId, InvalidSystemSaveDataId);
         if (rc.IsFailure()) return rc;
 
-        rc = SaveDataCreationInfo.Make(out SaveDataCreationInfo creationInfo, SaveDataSizeForDebug,
-            SaveDataJournalSizeForDebug, default, SaveDataFlags.None, SaveDataSpaceId.User);
+        rc = SaveDataCreationInfo.Make(out SaveDataCreationInfo creationInfo, saveDataSize, saveDataJournalSize,
+            ownerId: 0, SaveDataFlags.None, SaveDataSpaceId.User);
         if (rc.IsFailure()) return rc.Miss();
 
         var metaInfo = new SaveDataMetaInfo
@@ -106,17 +149,25 @@ public static class SaveData
 
         if (rc.IsFailure())
         {
-            // Return successfully if the save data already exists
+            // Ensure the save is large enough if it already exists
             if (ResultFs.PathAlreadyExists.Includes(rc))
-                rc.Catch();
+            {
+                if (extendIfNeeded)
+                {
+                    rc = ExtendSaveDataIfNeeded(fs.Fs, userId, saveDataSize, saveDataJournalSize);
+                    if (rc.IsFailure()) return rc.Miss();
+                }
+            }
             else
+            {
                 return rc.Miss();
             }
+        }
 
         return Result.Success;
     }
 
-    public static Result MountSaveData(this FileSystemClientImpl fs, U8Span mountName, UserId userId)
+    public static Result MountSaveDataImpl(this FileSystemClientImpl fs, U8Span mountName, UserId userId)
     {
         return MountSaveDataImpl(fs, mountName, SaveDataSpaceId.User, ProgramId.InvalidId, userId,
             SaveDataType.Account, openReadOnly: false, index: 0);
@@ -130,7 +181,7 @@ public static class SaveData
         if (fs.Impl.IsEnabledAccessLog(AccessLogTarget.Application))
         {
             Tick start = fs.Hos.Os.GetSystemTick();
-            rc = MountSaveData(fs.Impl, mountName, InvalidUserId);
+            rc = MountSaveDataImpl(fs.Impl, mountName, InvalidUserId);
             Tick end = fs.Hos.Os.GetSystemTick();
 
             var sb = new U8StringBuilder(logBuffer, true);
@@ -141,7 +192,7 @@ public static class SaveData
         }
         else
         {
-            rc = MountSaveData(fs.Impl, mountName, InvalidUserId);
+            rc = MountSaveDataImpl(fs.Impl, mountName, InvalidUserId);
         }
 
         fs.Impl.AbortIfNeeded(rc);
@@ -150,7 +201,7 @@ public static class SaveData
         if (fs.Impl.IsEnabledAccessLog(AccessLogTarget.Application))
             fs.Impl.EnableFileSystemAccessorAccessLog(mountName);
 
-        return rc;
+        return Result.Success;
     }
 
     public static Result MountSaveData(this FileSystemClient fs, U8Span mountName, Ncm.ApplicationId applicationId,
@@ -185,7 +236,7 @@ public static class SaveData
         if (fs.Impl.IsEnabledAccessLog(AccessLogTarget.Application))
             fs.Impl.EnableFileSystemAccessorAccessLog(mountName);
 
-        return rc;
+        return Result.Success;
     }
 
     public static Result MountSaveDataReadOnly(this FileSystemClient fs, U8Span mountName,
@@ -220,7 +271,7 @@ public static class SaveData
         if (fs.Impl.IsEnabledAccessLog(AccessLogTarget.Application))
             fs.Impl.EnableFileSystemAccessorAccessLog(mountName);
 
-        return rc;
+        return Result.Success;
     }
 
     public static Result IsSaveDataExisting(this FileSystemClientImpl fs, out bool exists, UserId userId)
@@ -292,7 +343,7 @@ public static class SaveData
         if (fs.Impl.IsEnabledAccessLog(AccessLogTarget.Application))
             fs.Impl.EnableFileSystemAccessorAccessLog(mountName);
 
-        return rc;
+        return Result.Success;
     }
 
     public static Result MountCacheStorage(this FileSystemClient fs, U8Span mountName)
@@ -324,7 +375,7 @@ public static class SaveData
         if (fs.Impl.IsEnabledAccessLog(AccessLogTarget.Application))
             fs.Impl.EnableFileSystemAccessorAccessLog(mountName);
 
-        return rc;
+        return Result.Success;
     }
 
     public static Result MountCacheStorage(this FileSystemClient fs, U8Span mountName, int index)
@@ -358,7 +409,7 @@ public static class SaveData
         if (fs.Impl.IsEnabledAccessLog(AccessLogTarget.Application))
             fs.Impl.EnableFileSystemAccessorAccessLog(mountName);
 
-        return rc;
+        return Result.Success;
     }
 
     public static Result MountCacheStorage(this FileSystemClient fs, U8Span mountName, Ncm.ApplicationId applicationId)
@@ -391,7 +442,7 @@ public static class SaveData
         if (fs.Impl.IsEnabledAccessLog(AccessLogTarget.System))
             fs.Impl.EnableFileSystemAccessorAccessLog(mountName);
 
-        return rc;
+        return Result.Success;
     }
 
     public static Result MountCacheStorage(this FileSystemClient fs, U8Span mountName, Ncm.ApplicationId applicationId,
@@ -426,7 +477,7 @@ public static class SaveData
         if (fs.Impl.IsEnabledAccessLog(AccessLogTarget.System))
             fs.Impl.EnableFileSystemAccessorAccessLog(mountName);
 
-        return rc;
+        return Result.Success;
     }
 
     public static Result OpenSaveDataInternalStorageFileSystem(this FileSystemClient fs,

src/LibHac/Fs/Shim/SaveDataForDebug.cs

@@ -0,0 +1,189 @@
+using System;
+using System.Runtime.CompilerServices;
+using LibHac.Common;
+using LibHac.Diag;
+using LibHac.Fs.Impl;
+using LibHac.FsSrv.Sf;
+using LibHac.Os;
+
+using static LibHac.Fs.Impl.AccessLogStrings;
+using static LibHac.Fs.SaveData;
+
+namespace LibHac.Fs.Shim;
+
+/// <summary>
+/// Contains save data functions used for debugging during development.
+/// </summary>
+/// <remarks>Based on nnSdk 14.3.0</remarks>
+[SkipLocalsInit]
+public static class SaveDataForDebug
+{
+    private const long SaveDataSizeForDebug = 0x2000000;
+    private const long SaveDataJournalSizeForDebug = 0x2000000;
+
+    public static void SetSaveDataRootPath(this FileSystemClient fs, U8Span path)
+    {
+        Result rc;
+        Span<byte> logBuffer = stackalloc byte[0x300];
+
+        if (fs.Impl.IsEnabledAccessLog() && fs.Impl.IsEnabledHandleAccessLog(null))
+        {
+            Tick start = fs.Hos.Os.GetSystemTick();
+            rc = SetRootPath(fs, path);
+            Tick end = fs.Hos.Os.GetSystemTick();
+
+            var sb = new U8StringBuilder(logBuffer, true);
+            sb.Append(LogPath).Append(path).Append(LogQuote);
+
+            fs.Impl.OutputAccessLog(rc, start, end, null, new U8Span(sb.Buffer));
+        }
+        else
+        {
+            rc = SetRootPath(fs, path);
+        }
+
+        fs.Impl.LogResultErrorMessage(rc);
+        Abort.DoAbortUnlessSuccess(rc);
+
+        static Result SetRootPath(FileSystemClient fs, U8Span path)
+        {
+            Result rc = PathUtility.ConvertToFspPath(out FspPath sfPath, path);
+            if (rc.IsFailure()) return rc.Miss();
+
+            using SharedRef<IFileSystemProxy> fileSystemProxy = fs.Impl.GetFileSystemProxyServiceObject();
+            rc = fileSystemProxy.Get.SetSaveDataRootPath(in sfPath);
+            if (rc.IsFailure()) return rc.Miss();
+
+            return Result.Success;
+        }
+    }
+
+    public static void UnsetSaveDataRootPath(this FileSystemClient fs)
+    {
+        Result rc;
+
+        if (fs.Impl.IsEnabledAccessLog() && fs.Impl.IsEnabledHandleAccessLog(null))
+        {
+            Tick start = fs.Hos.Os.GetSystemTick();
+            using SharedRef<IFileSystemProxy> fileSystemProxy = fs.Impl.GetFileSystemProxyServiceObject();
+            rc = fileSystemProxy.Get.UnsetSaveDataRootPath();
+            Tick end = fs.Hos.Os.GetSystemTick();
+
+            fs.Impl.OutputAccessLog(rc, start, end, null, U8Span.Empty);
+        }
+        else
+        {
+            using SharedRef<IFileSystemProxy> fileSystemProxy = fs.Impl.GetFileSystemProxyServiceObject();
+            rc = fileSystemProxy.Get.UnsetSaveDataRootPath();
+        }
+
+        fs.Impl.LogResultErrorMessage(rc);
+        Abort.DoAbortUnlessSuccess(rc);
+    }
+
+    /// <summary>
+    /// Ensures the current application's debug save data is at least as large as the specified values.
+    /// </summary>
+    /// <remarks>Each application can have a single debug save. This save data is not associated with any
+    /// user account and is intended for debug use when developing an application.</remarks>
+    /// <param name="fs">The <see cref="FileSystemClient"/> to use.</param>
+    /// <param name="saveDataSize">The size of the usable space in the save data.</param>
+    /// <param name="saveDataJournalSize">The size of the save data's journal.</param>
+    /// <returns><see cref="Result.Success"/>: The operation was successful.<br/>
+    /// <see cref="ResultFs.TargetNotFound"/>: The save data was not found.<br/>
+    /// <see cref="ResultFs.TargetLocked"/>: The save data is currently open or otherwise in use.<br/>
+    /// <see cref="ResultFs.UsableSpaceNotEnough"/>: Insufficient free space to create or extend the save data.<br/>
+    /// <see cref="ResultFs.PermissionDenied"/>: Insufficient permissions.</returns>
+    public static Result EnsureSaveDataForDebug(this FileSystemClient fs, long saveDataSize, long saveDataJournalSize)
+    {
+        Result rc;
+        Span<byte> logBuffer = stackalloc byte[0x60];
+
+        if (fs.Impl.IsEnabledAccessLog() && fs.Impl.IsEnabledHandleAccessLog(null))
+        {
+            Tick start = fs.Hos.Os.GetSystemTick();
+            rc = Ensure(fs, saveDataSize, saveDataJournalSize);
+            Tick end = fs.Hos.Os.GetSystemTick();
+
+            var sb = new U8StringBuilder(logBuffer, true);
+            sb.Append(LogSaveDataSize).AppendFormat(saveDataSize, 'd')
+                .Append(LogSaveDataJournalSize).AppendFormat(saveDataJournalSize, 'd');
+
+            fs.Impl.OutputAccessLog(rc, start, end, null, new U8Span(sb.Buffer));
+        }
+        else
+        {
+            rc = Ensure(fs, saveDataSize, saveDataJournalSize);
+        }
+
+        if (rc.IsFailure()) return rc.Miss();
+
+        return Result.Success;
+
+        static Result Ensure(FileSystemClient fs, long saveDataSize, long saveDataJournalSize)
+        {
+            UserId userIdForDebug = InvalidUserId;
+
+            Result rc = fs.Impl.EnsureSaveDataImpl(userIdForDebug, saveDataSize, saveDataJournalSize,
+                extendIfNeeded: true);
+            if (rc.IsFailure()) return rc.Miss();
+
+            return Result.Success;
+        }
+    }
+
+    /// <summary>
+    /// Mounts the debug save data for the current application. Each application can have its own debug save
+    /// that is not associated with any user account.
+    /// </summary>
+    /// <remarks>Each application can have a single debug save. This save data is not associated with any
+    /// user account and is intended for debug use when developing an application.</remarks>
+    /// <param name="fs">The <see cref="FileSystemClient"/> to use.</param>
+    /// <param name="mountName">The mount name at which the file system will be mounted.</param>
+    /// <returns><see cref="Result.Success"/>: The operation was successful.<br/>
+    /// <see cref="ResultFs.TargetNotFound"/>: The save data was not found.<br/>
+    /// <see cref="ResultFs.TargetLocked"/>: The save data is currently open or otherwise in use.<br/>
+    /// <see cref="ResultFs.PermissionDenied"/>: Insufficient permissions.</returns>
+    public static Result MountSaveDataForDebug(this FileSystemClient fs, U8Span mountName)
+    {
+        Result rc;
+        Span<byte> logBuffer = stackalloc byte[0x30];
+
+        if (fs.Impl.IsEnabledAccessLog(AccessLogTarget.Application))
+        {
+            Tick start = fs.Hos.Os.GetSystemTick();
+            rc = Mount(fs, mountName);
+            Tick end = fs.Hos.Os.GetSystemTick();
+
+            var sb = new U8StringBuilder(logBuffer, true);
+            sb.Append(LogName).Append(mountName).Append(LogQuote);
+
+            fs.Impl.OutputAccessLog(rc, start, end, null, new U8Span(sb.Buffer));
+        }
+        else
+        {
+            rc = Mount(fs, mountName);
+        }
+
+        if (rc.IsFailure()) return rc.Miss();
+
+        if (fs.Impl.IsEnabledAccessLog(AccessLogTarget.Application))
+            fs.Impl.EnableFileSystemAccessorAccessLog(mountName);
+
+        return Result.Success;
+
+        static Result Mount(FileSystemClient fs, U8Span mountName)
+        {
+            UserId userIdForDebug = InvalidUserId;
+
+            Result rc = fs.Impl.EnsureSaveDataImpl(userIdForDebug, SaveDataSizeForDebug, SaveDataJournalSizeForDebug,
+                extendIfNeeded: false);
+            if (rc.IsFailure()) return rc.Miss();
+
+            rc = fs.Impl.MountSaveDataImpl(mountName, userIdForDebug);
+            if (rc.IsFailure()) return rc.Miss();
+
+            return Result.Success;
+        }
+    }
+}

src/LibHac/Fs/Shim/SaveDataManagement.cs

@@ -21,7 +21,7 @@ namespace LibHac.Fs
     /// <summary>
     /// Allows iterating through the <see cref="SaveDataInfo"/> of a list of save data.
     /// </summary>
-    /// <remarks>Based on nnSdk 13.4.0</remarks>
+    /// <remarks>Based on nnSdk 14.3.0</remarks>
     public class SaveDataIterator : IDisposable
     {
         private readonly FileSystemClient _fsClient;
@@ -81,10 +81,12 @@ namespace LibHac.Fs.Shim
     /// <summary>
     /// Contains functions for creating, deleting, and otherwise managing save data.
     /// </summary>
-    /// <remarks>Based on nnSdk 13.4.0</remarks>
+    /// <remarks>Based on nnSdk 14.3.0</remarks>
     [SkipLocalsInit]
     public static class SaveDataManagement
     {
+        private const int SaveDataBlockSize = 0x4000;
+
         private class CacheStorageListCache : IDisposable
         {
             public readonly struct CacheEntry
@@ -990,6 +992,65 @@ namespace LibHac.Fs.Shim
             return CreateSystemSaveData(fs, spaceId, saveDataId, InvalidUserId, ownerId, size, journalSize, flags);
         }
 
+        public static Result CreateSystemSaveData(this FileSystemClientImpl fs, SaveDataSpaceId spaceId,
+            ulong saveDataId, UserId userId, ulong ownerId, long size, long journalSize, SaveDataFlags flags,
+            SaveDataFormatType formatType)
+        {
+            if (formatType == SaveDataFormatType.NoJournal && journalSize != 0)
+                return ResultFs.InvalidArgument.Log();
+
+            using SharedRef<IFileSystemProxy> fileSystemProxy = fs.GetFileSystemProxyServiceObject();
+
+            Result rc = SaveDataAttribute.Make(out SaveDataAttribute attribute, InvalidProgramId, SaveDataType.System,
+                userId, saveDataId);
+            if (rc.IsFailure()) return rc.Miss();
+
+            rc = SaveDataCreationInfo2.Make(out SaveDataCreationInfo2 creationInfo, in attribute, size, journalSize,
+                SaveDataBlockSize, ownerId, flags, spaceId, formatType);
+            if (rc.IsFailure()) return rc.Miss();
+
+            creationInfo.MetaType = SaveDataMetaType.None;
+            creationInfo.MetaSize = 0;
+
+            return fileSystemProxy.Get.CreateSaveDataFileSystemWithCreationInfo2(in creationInfo).Ret();
+        }
+
+        public static Result CreateSystemSaveData(this FileSystemClient fs, SaveDataSpaceId spaceId, ulong saveDataId,
+            ulong ownerId, long size, long journalSize, SaveDataFlags flags, SaveDataFormatType formatType)
+        {
+            Result rc;
+            Span<byte> logBuffer = stackalloc byte[0x180];
+
+            if (fs.Impl.IsEnabledAccessLog(AccessLogTarget.System) && fs.Impl.IsEnabledHandleAccessLog(null))
+            {
+                Tick start = fs.Hos.Os.GetSystemTick();
+                rc = CreateSystemSaveData(fs.Impl, spaceId, saveDataId, InvalidUserId, ownerId, size, journalSize,
+                    flags, formatType);
+                Tick end = fs.Hos.Os.GetSystemTick();
+
+                var idString = new IdString();
+                var sb = new U8StringBuilder(logBuffer, true);
+                sb.Append(LogSaveDataSpaceId).Append(idString.ToString(spaceId))
+                    .Append(LogSaveDataId).AppendFormat(saveDataId, 'X')
+                    .Append(LogUserId).AppendFormat(InvalidUserId.Id.High, 'X', 16).AppendFormat(InvalidUserId.Id.Low, 'X', 16)
+                    .Append(LogSaveDataOwnerId).AppendFormat(ownerId, 'X')
+                    .Append(LogSaveDataSize).AppendFormat(size, 'd')
+                    .Append(LogSaveDataJournalSize).AppendFormat(journalSize, 'd')
+                    .Append(LogSaveDataFlags).AppendFormat((int)flags, 'X', 8)
+                    .Append(LogSaveDataFormatType).Append(idString.ToString(formatType));
+
+                fs.Impl.OutputAccessLog(rc, start, end, null, new U8Span(sb.Buffer));
+            }
+            else
+            {
+                rc = CreateSystemSaveData(fs.Impl, spaceId, saveDataId, InvalidUserId, ownerId, size, journalSize,
+                    flags, formatType);
+            }
+
+            fs.Impl.AbortIfNeeded(rc);
+            return rc;
+        }
+
         public static Result ExtendSaveData(this FileSystemClientImpl fs, SaveDataSpaceId spaceId, ulong saveDataId,
             long saveDataSize, long journalSize)
         {