10 files changed, 115 insertions, 105 deletions

diff --git a/src/core/file_sys/archive_extsavedata.cpp b/src/core/file_sys/archive_extsavedata.cpp
index f454e7840..4867c9d17 100644
--- a/src/core/file_sys/archive_extsavedata.cpp
+++ b/src/core/file_sys/archive_extsavedata.cpp
@@ -38,8 +38,7 @@ public:
     ResultVal<size_t> Write(u64 offset, size_t length, bool flush,
                             const u8* buffer) const override {
         if (offset > size) {
-            return ResultCode(ErrorDescription::FS_WriteBeyondEnd, ErrorModule::FS,
-                              ErrorSummary::InvalidArgument, ErrorLevel::Usage);
+            return ERR_WRITE_BEYOND_END;
         } else if (offset == size) {
             return MakeResult<size_t>(0);
         }
@@ -191,11 +190,9 @@ ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_ExtSaveData::Open(cons
         // TODO(Subv): Verify the archive behavior of SharedExtSaveData compared to ExtSaveData.
         // ExtSaveData seems to return FS_NotFound (120) when the archive doesn't exist.
         if (!shared) {
-            return ResultCode(ErrorDescription::FS_NotFound, ErrorModule::FS,
-                              ErrorSummary::InvalidState, ErrorLevel::Status);
+            return ERR_NOT_FOUND_INVALID_STATE;
         } else {
-            return ResultCode(ErrorDescription::FS_NotFormatted, ErrorModule::FS,
-                              ErrorSummary::InvalidState, ErrorLevel::Status);
+            return ERR_NOT_FORMATTED;
         }
     }
     auto archive = std::make_unique<ExtSaveDataArchive>(fullpath);
@@ -230,8 +227,7 @@ ResultVal<ArchiveFormatInfo> ArchiveFactory_ExtSaveData::GetFormatInfo(const Pat
     if (!file.IsOpen()) {
         LOG_ERROR(Service_FS, "Could not open metadata information for archive");
         // TODO(Subv): Verify error code
-        return ResultCode(ErrorDescription::FS_NotFormatted, ErrorModule::FS,
-                          ErrorSummary::InvalidState, ErrorLevel::Status);
+        return ERR_NOT_FORMATTED;
     }
 
     ArchiveFormatInfo info = {};
diff --git a/src/core/file_sys/archive_source_sd_savedata.cpp b/src/core/file_sys/archive_source_sd_savedata.cpp
index f31a68038..a7e331724 100644
--- a/src/core/file_sys/archive_source_sd_savedata.cpp
+++ b/src/core/file_sys/archive_source_sd_savedata.cpp
@@ -6,6 +6,7 @@
 #include "common/logging/log.h"
 #include "common/string_util.h"
 #include "core/file_sys/archive_source_sd_savedata.h"
+#include "core/file_sys/errors.h"
 #include "core/file_sys/savedata_archive.h"
 #include "core/hle/service/fs/archive.h"
 
@@ -49,8 +50,7 @@ ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveSource_SDSaveData::Open(u64 pr
         // save file/directory structure expected by the game has not yet been initialized.
         // Returning the NotFormatted error code will signal the game to provision the SaveData
         // archive with the files and folders that it expects.
-        return ResultCode(ErrorDescription::FS_NotFormatted, ErrorModule::FS,
-                          ErrorSummary::InvalidState, ErrorLevel::Status);
+        return ERR_NOT_FORMATTED;
     }
 
     auto archive = std::make_unique<SaveDataArchive>(std::move(concrete_mount_point));
@@ -81,8 +81,7 @@ ResultVal<ArchiveFormatInfo> ArchiveSource_SDSaveData::GetFormatInfo(u64 program
     if (!file.IsOpen()) {
         LOG_ERROR(Service_FS, "Could not open metadata information for archive");
         // TODO(Subv): Verify error code
-        return ResultCode(ErrorDescription::FS_NotFormatted, ErrorModule::FS,
-                          ErrorSummary::InvalidState, ErrorLevel::Status);
+        return ERR_NOT_FORMATTED;
     }
 
     ArchiveFormatInfo info = {};
diff --git a/src/core/file_sys/archive_systemsavedata.cpp b/src/core/file_sys/archive_systemsavedata.cpp
index 8986b5c0e..81423bffd 100644
--- a/src/core/file_sys/archive_systemsavedata.cpp
+++ b/src/core/file_sys/archive_systemsavedata.cpp
@@ -9,6 +9,7 @@
 #include "common/file_util.h"
 #include "common/string_util.h"
 #include "core/file_sys/archive_systemsavedata.h"
+#include "core/file_sys/errors.h"
 #include "core/file_sys/savedata_archive.h"
 #include "core/hle/service/fs/archive.h"
 
@@ -53,8 +54,7 @@ ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_SystemSaveData::Open(c
     std::string fullpath = GetSystemSaveDataPath(base_path, path);
     if (!FileUtil::Exists(fullpath)) {
         // TODO(Subv): Check error code, this one is probably wrong
-        return ResultCode(ErrorDescription::FS_NotFormatted, ErrorModule::FS,
-                          ErrorSummary::InvalidState, ErrorLevel::Status);
+        return ERR_NOT_FORMATTED;
     }
     auto archive = std::make_unique<SaveDataArchive>(fullpath);
     return MakeResult<std::unique_ptr<ArchiveBackend>>(std::move(archive));
diff --git a/src/core/file_sys/disk_archive.cpp b/src/core/file_sys/disk_archive.cpp
index a243d9a13..98d80aabc 100644
--- a/src/core/file_sys/disk_archive.cpp
+++ b/src/core/file_sys/disk_archive.cpp
@@ -9,6 +9,7 @@
 #include "common/file_util.h"
 #include "common/logging/log.h"
 #include "core/file_sys/disk_archive.h"
+#include "core/file_sys/errors.h"
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
 // FileSys namespace
@@ -17,8 +18,7 @@ namespace FileSys {
 
 ResultVal<size_t> DiskFile::Read(const u64 offset, const size_t length, u8* buffer) const {
     if (!mode.read_flag)
-        return ResultCode(ErrorDescription::FS_InvalidOpenFlags, ErrorModule::FS,
-                          ErrorSummary::Canceled, ErrorLevel::Status);
+        return ERROR_INVALID_OPEN_FLAGS;
 
     file->Seek(offset, SEEK_SET);
     return MakeResult<size_t>(file->ReadBytes(buffer, length));
@@ -27,8 +27,7 @@ ResultVal<size_t> DiskFile::Read(const u64 offset, const size_t length, u8* buff
 ResultVal<size_t> DiskFile::Write(const u64 offset, const size_t length, const bool flush,
                                   const u8* buffer) const {
     if (!mode.write_flag)
-        return ResultCode(ErrorDescription::FS_InvalidOpenFlags, ErrorModule::FS,
-                          ErrorSummary::Canceled, ErrorLevel::Status);
+        return ERROR_INVALID_OPEN_FLAGS;
 
     file->Seek(offset, SEEK_SET);
     size_t written = file->WriteBytes(buffer, length);
diff --git a/src/core/file_sys/errors.h b/src/core/file_sys/errors.h
index 9fc8d753b..a974bc775 100644
--- a/src/core/file_sys/errors.h
+++ b/src/core/file_sys/errors.h
@@ -2,52 +2,93 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#pragma once
+
 #include "core/hle/result.h"
 
 namespace FileSys {
 
-const ResultCode ERROR_INVALID_PATH(ErrorDescription::FS_InvalidPath, ErrorModule::FS,
-                                    ErrorSummary::InvalidArgument, ErrorLevel::Usage);
-const ResultCode ERROR_UNSUPPORTED_OPEN_FLAGS(ErrorDescription::FS_UnsupportedOpenFlags,
-                                              ErrorModule::FS, ErrorSummary::NotSupported,
-                                              ErrorLevel::Usage);
-const ResultCode ERROR_INVALID_OPEN_FLAGS(ErrorDescription::FS_InvalidOpenFlags, ErrorModule::FS,
-                                          ErrorSummary::Canceled, ErrorLevel::Status);
-const ResultCode ERROR_INVALID_READ_FLAG(ErrorDescription::FS_InvalidReadFlag, ErrorModule::FS,
-                                         ErrorSummary::InvalidArgument, ErrorLevel::Usage);
-const ResultCode ERROR_FILE_NOT_FOUND(ErrorDescription::FS_FileNotFound, ErrorModule::FS,
-                                      ErrorSummary::NotFound, ErrorLevel::Status);
-const ResultCode ERROR_PATH_NOT_FOUND(ErrorDescription::FS_PathNotFound, ErrorModule::FS,
-                                      ErrorSummary::NotFound, ErrorLevel::Status);
-const ResultCode ERROR_NOT_FOUND(ErrorDescription::FS_NotFound, ErrorModule::FS,
-                                 ErrorSummary::NotFound, ErrorLevel::Status);
-const ResultCode ERROR_UNEXPECTED_FILE_OR_DIRECTORY(ErrorDescription::FS_UnexpectedFileOrDirectory,
-                                                    ErrorModule::FS, ErrorSummary::NotSupported,
-                                                    ErrorLevel::Usage);
-const ResultCode ERROR_UNEXPECTED_FILE_OR_DIRECTORY_SDMC(ErrorDescription::FS_NotAFile,
-                                                         ErrorModule::FS, ErrorSummary::Canceled,
-                                                         ErrorLevel::Status);
-const ResultCode ERROR_DIRECTORY_ALREADY_EXISTS(ErrorDescription::FS_DirectoryAlreadyExists,
-                                                ErrorModule::FS, ErrorSummary::NothingHappened,
-                                                ErrorLevel::Status);
-const ResultCode ERROR_FILE_ALREADY_EXISTS(ErrorDescription::FS_FileAlreadyExists, ErrorModule::FS,
-                                           ErrorSummary::NothingHappened, ErrorLevel::Status);
-const ResultCode ERROR_ALREADY_EXISTS(ErrorDescription::FS_AlreadyExists, ErrorModule::FS,
-                                      ErrorSummary::NothingHappened, ErrorLevel::Status);
-const ResultCode ERROR_DIRECTORY_NOT_EMPTY(ErrorDescription::FS_DirectoryNotEmpty, ErrorModule::FS,
-                                           ErrorSummary::Canceled, ErrorLevel::Status);
-const ResultCode ERROR_GAMECARD_NOT_INSERTED(ErrorDescription::FS_GameCardNotInserted,
-                                             ErrorModule::FS, ErrorSummary::NotFound,
-                                             ErrorLevel::Status);
-const ResultCode ERROR_INCORRECT_EXEFS_READ_SIZE(ErrorDescription::FS_IncorrectExeFSReadSize,
-                                                 ErrorModule::FS, ErrorSummary::NotSupported,
-                                                 ErrorLevel::Usage);
-const ResultCode ERROR_ROMFS_NOT_FOUND(ErrorDescription::FS_RomFSNotFound, ErrorModule::FS,
-                                       ErrorSummary::NotFound, ErrorLevel::Status);
-const ResultCode ERROR_COMMAND_NOT_ALLOWED(ErrorDescription::FS_CommandNotAllowed, ErrorModule::FS,
-                                           ErrorSummary::WrongArgument, ErrorLevel::Permanent);
-const ResultCode ERROR_EXEFS_SECTION_NOT_FOUND(ErrorDescription::FS_ExeFSSectionNotFound,
-                                               ErrorModule::FS, ErrorSummary::NotFound,
-                                               ErrorLevel::Status);
+namespace ErrCodes {
+enum {
+    RomFSNotFound = 100,
+    ArchiveNotMounted = 101,
+    FileNotFound = 112,
+    PathNotFound = 113,
+    GameCardNotInserted = 141,
+    NotFound = 120,
+    FileAlreadyExists = 180,
+    DirectoryAlreadyExists = 185,
+    AlreadyExists = 190,
+    InvalidOpenFlags = 230,
+    DirectoryNotEmpty = 240,
+    NotAFile = 250,
+    NotFormatted = 340, ///< This is used by the FS service when creating a SaveData archive
+    ExeFSSectionNotFound = 567,
+    CommandNotAllowed = 630,
+    InvalidReadFlag = 700,
+    InvalidPath = 702,
+    WriteBeyondEnd = 705,
+    UnsupportedOpenFlags = 760,
+    IncorrectExeFSReadSize = 761,
+    UnexpectedFileOrDirectory = 770,
+};
+}
+
+constexpr ResultCode ERROR_INVALID_PATH(ErrCodes::InvalidPath, ErrorModule::FS,
+                                        ErrorSummary::InvalidArgument, ErrorLevel::Usage);
+constexpr ResultCode ERROR_UNSUPPORTED_OPEN_FLAGS(ErrCodes::UnsupportedOpenFlags, ErrorModule::FS,
+                                                  ErrorSummary::NotSupported, ErrorLevel::Usage);
+constexpr ResultCode ERROR_INVALID_OPEN_FLAGS(ErrCodes::InvalidOpenFlags, ErrorModule::FS,
+                                              ErrorSummary::Canceled, ErrorLevel::Status);
+constexpr ResultCode ERROR_INVALID_READ_FLAG(ErrCodes::InvalidReadFlag, ErrorModule::FS,
+                                             ErrorSummary::InvalidArgument, ErrorLevel::Usage);
+constexpr ResultCode ERROR_FILE_NOT_FOUND(ErrCodes::FileNotFound, ErrorModule::FS,
+                                          ErrorSummary::NotFound, ErrorLevel::Status);
+constexpr ResultCode ERROR_PATH_NOT_FOUND(ErrCodes::PathNotFound, ErrorModule::FS,
+                                          ErrorSummary::NotFound, ErrorLevel::Status);
+constexpr ResultCode ERROR_NOT_FOUND(ErrCodes::NotFound, ErrorModule::FS, ErrorSummary::NotFound,
+                                     ErrorLevel::Status);
+constexpr ResultCode ERROR_UNEXPECTED_FILE_OR_DIRECTORY(ErrCodes::UnexpectedFileOrDirectory,
+                                                        ErrorModule::FS, ErrorSummary::NotSupported,
+                                                        ErrorLevel::Usage);
+constexpr ResultCode ERROR_UNEXPECTED_FILE_OR_DIRECTORY_SDMC(ErrCodes::NotAFile, ErrorModule::FS,
+                                                             ErrorSummary::Canceled,
+                                                             ErrorLevel::Status);
+constexpr ResultCode ERROR_DIRECTORY_ALREADY_EXISTS(ErrCodes::DirectoryAlreadyExists,
+                                                    ErrorModule::FS, ErrorSummary::NothingHappened,
+                                                    ErrorLevel::Status);
+constexpr ResultCode ERROR_FILE_ALREADY_EXISTS(ErrCodes::FileAlreadyExists, ErrorModule::FS,
+                                               ErrorSummary::NothingHappened, ErrorLevel::Status);
+constexpr ResultCode ERROR_ALREADY_EXISTS(ErrCodes::AlreadyExists, ErrorModule::FS,
+                                          ErrorSummary::NothingHappened, ErrorLevel::Status);
+constexpr ResultCode ERROR_DIRECTORY_NOT_EMPTY(ErrCodes::DirectoryNotEmpty, ErrorModule::FS,
+                                               ErrorSummary::Canceled, ErrorLevel::Status);
+constexpr ResultCode ERROR_GAMECARD_NOT_INSERTED(ErrCodes::GameCardNotInserted, ErrorModule::FS,
+                                                 ErrorSummary::NotFound, ErrorLevel::Status);
+constexpr ResultCode ERROR_INCORRECT_EXEFS_READ_SIZE(ErrCodes::IncorrectExeFSReadSize,
+                                                     ErrorModule::FS, ErrorSummary::NotSupported,
+                                                     ErrorLevel::Usage);
+constexpr ResultCode ERROR_ROMFS_NOT_FOUND(ErrCodes::RomFSNotFound, ErrorModule::FS,
+                                           ErrorSummary::NotFound, ErrorLevel::Status);
+constexpr ResultCode ERROR_COMMAND_NOT_ALLOWED(ErrCodes::CommandNotAllowed, ErrorModule::FS,
+                                               ErrorSummary::WrongArgument, ErrorLevel::Permanent);
+constexpr ResultCode ERROR_EXEFS_SECTION_NOT_FOUND(ErrCodes::ExeFSSectionNotFound, ErrorModule::FS,
+                                                   ErrorSummary::NotFound, ErrorLevel::Status);
+
+/// Returned when a function is passed an invalid archive handle.
+constexpr ResultCode ERR_INVALID_ARCHIVE_HANDLE(ErrCodes::ArchiveNotMounted, ErrorModule::FS,
+                                                ErrorSummary::NotFound,
+                                                ErrorLevel::Status); // 0xC8804465
+constexpr ResultCode ERR_WRITE_BEYOND_END(ErrCodes::WriteBeyondEnd, ErrorModule::FS,
+                                          ErrorSummary::InvalidArgument, ErrorLevel::Usage);
+
+/**
+ * Variant of ERROR_NOT_FOUND returned in some places in the code. Unknown if these usages are
+ * correct or a bug.
+ */
+constexpr ResultCode ERR_NOT_FOUND_INVALID_STATE(ErrCodes::NotFound, ErrorModule::FS,
+                                                 ErrorSummary::InvalidState, ErrorLevel::Status);
+constexpr ResultCode ERR_NOT_FORMATTED(ErrCodes::NotFormatted, ErrorModule::FS,
+                                       ErrorSummary::InvalidState, ErrorLevel::Status);
 
 } // namespace FileSys
diff --git a/src/core/hle/result.h b/src/core/hle/result.h
index c44668732..b066b7d4e 100644
--- a/src/core/hle/result.h
+++ b/src/core/hle/result.h
@@ -26,30 +26,9 @@ enum class ErrorDescription : u32 {
     OS_InvalidBufferDescriptor = 48,
     MaxConnectionsReached = 52,
     WrongAddress = 53,
-    FS_RomFSNotFound = 100,
-    FS_ArchiveNotMounted = 101,
-    FS_FileNotFound = 112,
-    FS_PathNotFound = 113,
-    FS_GameCardNotInserted = 141,
-    FS_NotFound = 120,
-    FS_FileAlreadyExists = 180,
-    FS_DirectoryAlreadyExists = 185,
-    FS_AlreadyExists = 190,
-    FS_InvalidOpenFlags = 230,
-    FS_DirectoryNotEmpty = 240,
-    FS_NotAFile = 250,
-    FS_NotFormatted = 340, ///< This is used by the FS service when creating a SaveData archive
     OutofRangeOrMisalignedAddress =
         513, // TODO(purpasmart): Check if this name fits its actual usage
     GPU_FirstInitialization = 519,
-    FS_ExeFSSectionNotFound = 567,
-    FS_CommandNotAllowed = 630,
-    FS_InvalidReadFlag = 700,
-    FS_InvalidPath = 702,
-    FS_WriteBeyondEnd = 705,
-    FS_UnsupportedOpenFlags = 760,
-    FS_IncorrectExeFSReadSize = 761,
-    FS_UnexpectedFileOrDirectory = 770,
 
     // Codes 1000 and above are considered "well-known" and have common values between all modules.
     InvalidSection = 1000,
diff --git a/src/core/hle/service/cfg/cfg.cpp b/src/core/hle/service/cfg/cfg.cpp
index 14185ae20..caa41ded7 100644
--- a/src/core/hle/service/cfg/cfg.cpp
+++ b/src/core/hle/service/cfg/cfg.cpp
@@ -11,6 +11,7 @@
 #include "common/string_util.h"
 #include "common/swap.h"
 #include "core/file_sys/archive_systemsavedata.h"
+#include "core/file_sys/errors.h"
 #include "core/file_sys/file_backend.h"
 #include "core/hle/result.h"
 #include "core/hle/service/cfg/cfg.h"
@@ -411,8 +412,7 @@ ResultCode UpdateConfigNANDSavegame() {
 ResultCode FormatConfig() {
     ResultCode res = DeleteConfigNANDSaveFile();
     // The delete command fails if the file doesn't exist, so we have to check that too
-    if (!res.IsSuccess() &&
-        res.description != static_cast<u32>(ErrorDescription::FS_FileNotFound)) {
+    if (!res.IsSuccess() && res != FileSys::ERROR_FILE_NOT_FOUND) {
         return res;
     }
     // Delete the old data
@@ -535,7 +535,7 @@ ResultCode LoadConfigNANDSaveFile() {
         Service::FS::OpenArchive(Service::FS::ArchiveIdCode::SystemSaveData, archive_path);
 
     // If the archive didn't exist, create the files inside
-    if (archive_result.Code().description == static_cast<u32>(ErrorDescription::FS_NotFormatted)) {
+    if (archive_result.Code() == FileSys::ERR_NOT_FORMATTED) {
         // Format the archive to create the directories
         Service::FS::FormatArchive(Service::FS::ArchiveIdCode::SystemSaveData,
                                    FileSys::ArchiveFormatInfo(), archive_path);
diff --git a/src/core/hle/service/fs/archive.cpp b/src/core/hle/service/fs/archive.cpp
index 6cddc1fdb..5c1235f8b 100644
--- a/src/core/hle/service/fs/archive.cpp
+++ b/src/core/hle/service/fs/archive.cpp
@@ -22,6 +22,7 @@
 #include "core/file_sys/archive_sdmcwriteonly.h"
 #include "core/file_sys/archive_systemsavedata.h"
 #include "core/file_sys/directory_backend.h"
+#include "core/file_sys/errors.h"
 #include "core/file_sys/file_backend.h"
 #include "core/hle/kernel/client_session.h"
 #include "core/hle/result.h"
@@ -55,11 +56,6 @@ namespace FS {
 const ResultCode ERR_INVALID_HANDLE(ErrorDescription::InvalidHandle, ErrorModule::FS,
                                     ErrorSummary::InvalidArgument, ErrorLevel::Permanent);
 
-/// Returned when a function is passed an invalid archive handle.
-const ResultCode ERR_INVALID_ARCHIVE_HANDLE(ErrorDescription::FS_ArchiveNotMounted, ErrorModule::FS,
-                                            ErrorSummary::NotFound,
-                                            ErrorLevel::Status); // 0xC8804465
-
 // Command to access archive file
 enum class FileCommand : u32 {
     Dummy1 = 0x000100C6,
@@ -284,7 +280,7 @@ ResultVal<ArchiveHandle> OpenArchive(ArchiveIdCode id_code, FileSys::Path& archi
 
 ResultCode CloseArchive(ArchiveHandle handle) {
     if (handle_map.erase(handle) == 0)
-        return ERR_INVALID_ARCHIVE_HANDLE;
+        return FileSys::ERR_INVALID_ARCHIVE_HANDLE;
     else
         return RESULT_SUCCESS;
 }
@@ -309,7 +305,7 @@ ResultVal<std::shared_ptr<File>> OpenFileFromArchive(ArchiveHandle archive_handl
                                                      const FileSys::Mode mode) {
     ArchiveBackend* archive = GetArchive(archive_handle);
     if (archive == nullptr)
-        return ERR_INVALID_ARCHIVE_HANDLE;
+        return FileSys::ERR_INVALID_ARCHIVE_HANDLE;
 
     auto backend = archive->OpenFile(path, mode);
     if (backend.Failed())
@@ -322,7 +318,7 @@ ResultVal<std::shared_ptr<File>> OpenFileFromArchive(ArchiveHandle archive_handl
 ResultCode DeleteFileFromArchive(ArchiveHandle archive_handle, const FileSys::Path& path) {
     ArchiveBackend* archive = GetArchive(archive_handle);
     if (archive == nullptr)
-        return ERR_INVALID_ARCHIVE_HANDLE;
+        return FileSys::ERR_INVALID_ARCHIVE_HANDLE;
 
     return archive->DeleteFile(path);
 }
@@ -334,7 +330,7 @@ ResultCode RenameFileBetweenArchives(ArchiveHandle src_archive_handle,
     ArchiveBackend* src_archive = GetArchive(src_archive_handle);
     ArchiveBackend* dest_archive = GetArchive(dest_archive_handle);
     if (src_archive == nullptr || dest_archive == nullptr)
-        return ERR_INVALID_ARCHIVE_HANDLE;
+        return FileSys::ERR_INVALID_ARCHIVE_HANDLE;
 
     if (src_archive == dest_archive) {
         return src_archive->RenameFile(src_path, dest_path);
@@ -347,7 +343,7 @@ ResultCode RenameFileBetweenArchives(ArchiveHandle src_archive_handle,
 ResultCode DeleteDirectoryFromArchive(ArchiveHandle archive_handle, const FileSys::Path& path) {
     ArchiveBackend* archive = GetArchive(archive_handle);
     if (archive == nullptr)
-        return ERR_INVALID_ARCHIVE_HANDLE;
+        return FileSys::ERR_INVALID_ARCHIVE_HANDLE;
 
     return archive->DeleteDirectory(path);
 }
@@ -356,7 +352,7 @@ ResultCode DeleteDirectoryRecursivelyFromArchive(ArchiveHandle archive_handle,
                                                  const FileSys::Path& path) {
     ArchiveBackend* archive = GetArchive(archive_handle);
     if (archive == nullptr)
-        return ERR_INVALID_ARCHIVE_HANDLE;
+        return FileSys::ERR_INVALID_ARCHIVE_HANDLE;
 
     return archive->DeleteDirectoryRecursively(path);
 }
@@ -365,7 +361,7 @@ ResultCode CreateFileInArchive(ArchiveHandle archive_handle, const FileSys::Path
                                u64 file_size) {
     ArchiveBackend* archive = GetArchive(archive_handle);
     if (archive == nullptr)
-        return ERR_INVALID_ARCHIVE_HANDLE;
+        return FileSys::ERR_INVALID_ARCHIVE_HANDLE;
 
     return archive->CreateFile(path, file_size);
 }
@@ -373,7 +369,7 @@ ResultCode CreateFileInArchive(ArchiveHandle archive_handle, const FileSys::Path
 ResultCode CreateDirectoryFromArchive(ArchiveHandle archive_handle, const FileSys::Path& path) {
     ArchiveBackend* archive = GetArchive(archive_handle);
     if (archive == nullptr)
-        return ERR_INVALID_ARCHIVE_HANDLE;
+        return FileSys::ERR_INVALID_ARCHIVE_HANDLE;
 
     return archive->CreateDirectory(path);
 }
@@ -385,7 +381,7 @@ ResultCode RenameDirectoryBetweenArchives(ArchiveHandle src_archive_handle,
     ArchiveBackend* src_archive = GetArchive(src_archive_handle);
     ArchiveBackend* dest_archive = GetArchive(dest_archive_handle);
     if (src_archive == nullptr || dest_archive == nullptr)
-        return ERR_INVALID_ARCHIVE_HANDLE;
+        return FileSys::ERR_INVALID_ARCHIVE_HANDLE;
 
     if (src_archive == dest_archive) {
         return src_archive->RenameDirectory(src_path, dest_path);
@@ -399,7 +395,7 @@ ResultVal<std::shared_ptr<Directory>> OpenDirectoryFromArchive(ArchiveHandle arc
                                                                const FileSys::Path& path) {
     ArchiveBackend* archive = GetArchive(archive_handle);
     if (archive == nullptr)
-        return ERR_INVALID_ARCHIVE_HANDLE;
+        return FileSys::ERR_INVALID_ARCHIVE_HANDLE;
 
     auto backend = archive->OpenDirectory(path);
     if (backend.Failed())
@@ -412,7 +408,7 @@ ResultVal<std::shared_ptr<Directory>> OpenDirectoryFromArchive(ArchiveHandle arc
 ResultVal<u64> GetFreeBytesInArchive(ArchiveHandle archive_handle) {
     ArchiveBackend* archive = GetArchive(archive_handle);
     if (archive == nullptr)
-        return ERR_INVALID_ARCHIVE_HANDLE;
+        return FileSys::ERR_INVALID_ARCHIVE_HANDLE;
     return MakeResult<u64>(archive->GetFreeBytes());
 }
 
diff --git a/src/core/hle/service/fs/fs_user.cpp b/src/core/hle/service/fs/fs_user.cpp
index 33b290699..ad1aadab5 100644
--- a/src/core/hle/service/fs/fs_user.cpp
+++ b/src/core/hle/service/fs/fs_user.cpp
@@ -8,6 +8,7 @@
 #include "common/logging/log.h"
 #include "common/scope_exit.h"
 #include "common/string_util.h"
+#include "core/file_sys/errors.h"
 #include "core/hle/kernel/client_session.h"
 #include "core/hle/result.h"
 #include "core/hle/service/fs/archive.h"
@@ -539,9 +540,7 @@ static void FormatSaveData(Service::Interface* self) {
     if (archive_id != FS::ArchiveIdCode::SaveData) {
         LOG_ERROR(Service_FS, "tried to format an archive different than SaveData, %u",
                   static_cast<u32>(archive_id));
-        cmd_buff[1] = ResultCode(ErrorDescription::FS_InvalidPath, ErrorModule::FS,
-                                 ErrorSummary::InvalidArgument, ErrorLevel::Usage)
-                          .raw;
+        cmd_buff[1] = FileSys::ERROR_INVALID_PATH.raw;
         return;
     }
 
diff --git a/src/core/hle/service/ptm/ptm.cpp b/src/core/hle/service/ptm/ptm.cpp
index b6d6d105a..39382ef09 100644
--- a/src/core/hle/service/ptm/ptm.cpp
+++ b/src/core/hle/service/ptm/ptm.cpp
@@ -3,6 +3,7 @@
 // Refer to the license.txt file included.
 
 #include "common/logging/log.h"
+#include "core/file_sys/errors.h"
 #include "core/file_sys/file_backend.h"
 #include "core/hle/service/fs/archive.h"
 #include "core/hle/service/ptm/ptm.h"
@@ -134,7 +135,7 @@ void Init() {
     auto archive_result =
         Service::FS::OpenArchive(Service::FS::ArchiveIdCode::SharedExtSaveData, archive_path);
     // If the archive didn't exist, create the files inside
-    if (archive_result.Code().description == static_cast<u32>(ErrorDescription::FS_NotFormatted)) {
+    if (archive_result.Code() == FileSys::ERR_NOT_FORMATTED) {
         // Format the archive to create the directories
         Service::FS::FormatArchive(Service::FS::ArchiveIdCode::SharedExtSaveData,
                                    FileSys::ArchiveFormatInfo(), archive_path);