Fs: Log when Commit fails due to PathAlreadyInUse (#6178)

* Fs: Log when Commit fails due to PathAlreadyInUse

This fixes and superseed #5418, nothing more.
(See original PR for description)

Co-Authored-By: James R T <jamestiotio@gmail.com>

* Update IFileSystem.cs

---------

Co-authored-by: James R T <jamestiotio@gmail.com>

src/Ryujinx.HLE/HOS/Services/Fs/FileSystemProxy/IFileSystem.cs

@@ -2,6 +2,7 @@ using LibHac;
 using LibHac.Common;
 using LibHac.Fs;
 using LibHac.Fs.Fsa;
+using Ryujinx.Common.Logging;
 using Path = LibHac.FsSrv.Sf.Path;
 
 namespace Ryujinx.HLE.HOS.Services.Fs.FileSystemProxy
@@ -149,7 +150,13 @@ namespace Ryujinx.HLE.HOS.Services.Fs.FileSystemProxy
         // Commit()
         public ResultCode Commit(ServiceCtx context)
         {
-            return (ResultCode)_fileSystem.Get.Commit().Value;
+            ResultCode resultCode = (ResultCode)_fileSystem.Get.Commit().Value;
+            if (resultCode == ResultCode.PathAlreadyInUse)
+            {
+                Logger.Warning?.Print(LogClass.ServiceFs, "The file system is already in use by another process.");
+            }
+
+            return resultCode;
         }
 
         [CommandCmif(11)]