microsoft · tyrielv · Apr 10, 2026 · Apr 8, 2026
diff --git a/Directory.Packages.props b/Directory.Packages.props
@@ -12,10 +12,7 @@
     <PackageVersion Include="Newtonsoft.Json" Version="13.0.1" />
 
     <!-- Storage -->
-    <PackageVersion Include="ManagedEsent" Version="1.9.4" />
     <PackageVersion Include="Microsoft.Data.Sqlite" Version="2.2.4" />
-    <PackageVersion Include="Microsoft.Database.Collections.Generic" Version="1.9.4" />
-    <PackageVersion Include="Microsoft.Database.Isam" Version="1.9.4" />
 
     <!-- Compression -->
     <PackageVersion Include="SharpZipLib" Version="1.3.3" />

diff --git a/GVFS.sln b/GVFS.sln
@@ -13,8 +13,6 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "GVFS.FunctionalTests", "GVF
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "GVFS.FunctionalTests.LockHolder", "GVFS\GVFS.FunctionalTests.LockHolder\GVFS.FunctionalTests.LockHolder.csproj", "{B26985C3-250A-4805-AA97-AD0604331AC7}"
 EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "GVFS.GVFlt", "GVFS\GVFS.GVFlt\GVFS.GVFlt.csproj", "{B366D3B6-1E85-4015-8DB0-D5FA4331ECE4}"
-EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "GVFS.Hooks", "GVFS\GVFS.Hooks\GVFS.Hooks.csproj", "{EDB4A40E-CFC9-486A-BDC5-AB2951FD8EDC}"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "GVFS.Mount", "GVFS\GVFS.Mount\GVFS.Mount.csproj", "{F96089C2-6D09-4349-B65D-9CCA6160C6A5}"
@@ -75,10 +73,6 @@ Global
 		{B26985C3-250A-4805-AA97-AD0604331AC7}.Debug|x64.Build.0 = Debug|Any CPU
 		{B26985C3-250A-4805-AA97-AD0604331AC7}.Release|x64.ActiveCfg = Release|Any CPU
 		{B26985C3-250A-4805-AA97-AD0604331AC7}.Release|x64.Build.0 = Release|Any CPU
-		{B366D3B6-1E85-4015-8DB0-D5FA4331ECE4}.Debug|x64.ActiveCfg = Debug|Any CPU
-		{B366D3B6-1E85-4015-8DB0-D5FA4331ECE4}.Debug|x64.Build.0 = Debug|Any CPU
-		{B366D3B6-1E85-4015-8DB0-D5FA4331ECE4}.Release|x64.ActiveCfg = Release|Any CPU
-		{B366D3B6-1E85-4015-8DB0-D5FA4331ECE4}.Release|x64.Build.0 = Release|Any CPU
 		{EDB4A40E-CFC9-486A-BDC5-AB2951FD8EDC}.Debug|x64.ActiveCfg = Debug|Any CPU
 		{EDB4A40E-CFC9-486A-BDC5-AB2951FD8EDC}.Debug|x64.Build.0 = Debug|Any CPU
 		{EDB4A40E-CFC9-486A-BDC5-AB2951FD8EDC}.Release|x64.ActiveCfg = Release|Any CPU

diff --git a/GVFS/FastFetch/FastFetch.csproj b/GVFS/FastFetch/FastFetch.csproj
@@ -20,7 +20,6 @@
     <FilesToSign Include="
       $(OutputPath)\FastFetch.exe;
       $(OutputPath)\GVFS.Common.dll;
-      $(OutputPath)\GVFS.GVFlt.dll;
       $(OutputPath)\GVFS.Platform.Windows.dll;
       $(OutputPath)\GVFS.Virtualization.dll;">
       <Authenticode>Microsoft400</Authenticode>

diff --git a/GVFS/GVFS.FunctionalTests/GVFS.FunctionalTests.csproj b/GVFS/GVFS.FunctionalTests/GVFS.FunctionalTests.csproj
@@ -9,7 +9,6 @@
     <PackageReference Include="NUnitLite" />
     <PackageReference Include="NUnit3TestAdapter" />
     <PackageReference Include="Microsoft.Data.Sqlite" />
-    <PackageReference Include="Microsoft.Database.Collections.Generic" />
     <PackageReference Include="Newtonsoft.Json" />
     <PackageReference Include="SharpZipLib" />
     <PackageReference Include="System.ServiceProcess.ServiceController" />

diff --git a/GVFS/GVFS.FunctionalTests/Tools/GVFSHelpers.cs b/GVFS/GVFS.FunctionalTests/Tools/GVFSHelpers.cs
@@ -36,7 +36,7 @@ public static class GVFSHelpers
 
         private const int WindowsCurrentDiskLayoutMajorVersion = 19;
         private const int MacCurrentDiskLayoutMajorVersion = 19;
-        private const int WindowsCurrentDiskLayoutMinimumMajorVersion = 7;
+        private const int WindowsCurrentDiskLayoutMinimumMajorVersion = 14;
         private const int MacCurrentDiskLayoutMinimumMajorVersion = 18;
 
         public static string ConvertPathToGitFormat(string path)

diff --git a/GVFS/GVFS.FunctionalTests/Windows/Tests/SharedCacheUpgradeTests.cs b/GVFS/GVFS.FunctionalTests/Windows/Tests/SharedCacheUpgradeTests.cs
@@ -3,11 +3,9 @@
 using GVFS.FunctionalTests.Tests.MultiEnlistmentTests;
 using GVFS.FunctionalTests.Tools;
 using GVFS.FunctionalTests.Windows.Tests;
-using GVFS.FunctionalTests.Windows.Tools;
 using GVFS.Tests.Should;
 using NUnit.Framework;
 using System;
-using System.Collections.Generic;
 using System.IO;
 
 namespace GVFS.FunctionalTests.Windows.Windows.Tests
@@ -33,115 +31,6 @@ public void SetCacheLocation()
             this.localCachePath = Path.Combine(this.localCacheParentPath, ".customGVFSCache");
         }
 
-        [TestCase]
-        public void MountUpgradesLocalSizesToSharedCache()
-        {
-            GVFSFunctionalTestEnlistment enlistment = this.CloneAndMountEnlistment();
-            enlistment.UnmountGVFS();
-
-            string localCacheRoot = GVFSHelpers.GetPersistedLocalCacheRoot(enlistment.DotGVFSRoot);
-            string gitObjectsRoot = GVFSHelpers.GetPersistedGitObjectsRoot(enlistment.DotGVFSRoot);
-
-            // Delete the existing repo metadata
-            string versionJsonPath = Path.Combine(enlistment.DotGVFSRoot, GVFSHelpers.RepoMetadataName);
-            versionJsonPath.ShouldBeAFile(this.fileSystem);
-            this.fileSystem.DeleteFile(versionJsonPath);
-
-            // Since there isn't a sparse-checkout file that is used anymore one needs to be added
-            // in order to test the old upgrades that might have needed it
-            string sparseCheckoutPath = Path.Combine(enlistment.RepoRoot, TestConstants.DotGit.Info.SparseCheckoutPath);
-            this.fileSystem.WriteAllText(sparseCheckoutPath, "/.gitattributes\r\n");
-
-            // "13.0" was the last version before blob sizes were moved out of Esent
-            string metadataPath = Path.Combine(enlistment.DotGVFSRoot, GVFSHelpers.RepoMetadataName);
-            this.fileSystem.CreateEmptyFile(metadataPath);
-            GVFSHelpers.SaveDiskLayoutVersion(enlistment.DotGVFSRoot, "13", "0");
-            GVFSHelpers.SaveLocalCacheRoot(enlistment.DotGVFSRoot, localCacheRoot);
-            GVFSHelpers.SaveGitObjectsRoot(enlistment.DotGVFSRoot, gitObjectsRoot);
-
-            // Create a legacy PersistedDictionary sizes database
-            List<KeyValuePair<string, long>> entries = new List<KeyValuePair<string, long>>()
-            {
-                new KeyValuePair<string, long>(new string('0', 40), 1),
-                new KeyValuePair<string, long>(new string('1', 40), 2),
-                new KeyValuePair<string, long>(new string('2', 40), 4),
-                new KeyValuePair<string, long>(new string('3', 40), 8),
-            };
-
-            ESENTDatabase.CreateEsentBlobSizesDatabase(enlistment.DotGVFSRoot, entries);
-
-            enlistment.MountGVFS();
-
-            string majorVersion;
-            string minorVersion;
-            GVFSHelpers.GetPersistedDiskLayoutVersion(enlistment.DotGVFSRoot, out majorVersion, out minorVersion);
-
-            majorVersion
-                .ShouldBeAnInt("Disk layout version should always be an int")
-                .ShouldEqual(WindowsDiskLayoutUpgradeTests.CurrentDiskLayoutMajorVersion, "Disk layout version should be upgraded to the latest");
-
-            minorVersion
-                .ShouldBeAnInt("Disk layout version should always be an int")
-                .ShouldEqual(WindowsDiskLayoutUpgradeTests.CurrentDiskLayoutMinorVersion, "Disk layout version should be upgraded to the latest");
-
-            string newBlobSizesRoot = Path.Combine(Path.GetDirectoryName(gitObjectsRoot), WindowsDiskLayoutUpgradeTests.BlobSizesCacheName);
-            GVFSHelpers.GetPersistedBlobSizesRoot(enlistment.DotGVFSRoot)
-                .ShouldEqual(newBlobSizesRoot);
-
-            string blobSizesDbPath = Path.Combine(newBlobSizesRoot, WindowsDiskLayoutUpgradeTests.BlobSizesDBFileName);
-            newBlobSizesRoot.ShouldBeADirectory(this.fileSystem);
-            blobSizesDbPath.ShouldBeAFile(this.fileSystem);
-
-            foreach (KeyValuePair<string, long> entry in entries)
-            {
-                GVFSHelpers.SQLiteBlobSizesDatabaseHasEntry(blobSizesDbPath, entry.Key, entry.Value);
-            }
-
-            // Upgrade a second repo, and make sure all sizes from both upgrades are in the shared database
-
-            GVFSFunctionalTestEnlistment enlistment2 = this.CloneAndMountEnlistment();
-            enlistment2.UnmountGVFS();
-
-            // Delete the existing repo metadata
-            versionJsonPath = Path.Combine(enlistment2.DotGVFSRoot, GVFSHelpers.RepoMetadataName);
-            versionJsonPath.ShouldBeAFile(this.fileSystem);
-            this.fileSystem.DeleteFile(versionJsonPath);
-
-            // Since there isn't a sparse-checkout file that is used anymore one needs to be added
-            // in order to test the old upgrades that might have needed it
-            string sparseCheckoutPath2 = Path.Combine(enlistment2.RepoRoot, TestConstants.DotGit.Info.SparseCheckoutPath);
-            this.fileSystem.WriteAllText(sparseCheckoutPath2, "/.gitattributes\r\n");
-
-            // "13.0" was the last version before blob sizes were moved out of Esent
-            metadataPath = Path.Combine(enlistment2.DotGVFSRoot, GVFSHelpers.RepoMetadataName);
-            this.fileSystem.CreateEmptyFile(metadataPath);
-            GVFSHelpers.SaveDiskLayoutVersion(enlistment2.DotGVFSRoot, "13", "0");
-            GVFSHelpers.SaveLocalCacheRoot(enlistment2.DotGVFSRoot, localCacheRoot);
-            GVFSHelpers.SaveGitObjectsRoot(enlistment2.DotGVFSRoot, gitObjectsRoot);
-
-            // Create a legacy PersistedDictionary sizes database
-            List<KeyValuePair<string, long>> additionalEntries = new List<KeyValuePair<string, long>>()
-            {
-                new KeyValuePair<string, long>(new string('4', 40), 16),
-                new KeyValuePair<string, long>(new string('5', 40), 32),
-                new KeyValuePair<string, long>(new string('6', 40), 64),
-            };
-
-            ESENTDatabase.CreateEsentBlobSizesDatabase(enlistment2.DotGVFSRoot, additionalEntries);
-
-            enlistment2.MountGVFS();
-
-            foreach (KeyValuePair<string, long> entry in entries)
-            {
-                GVFSHelpers.SQLiteBlobSizesDatabaseHasEntry(blobSizesDbPath, entry.Key, entry.Value);
-            }
-
-            foreach (KeyValuePair<string, long> entry in additionalEntries)
-            {
-                GVFSHelpers.SQLiteBlobSizesDatabaseHasEntry(blobSizesDbPath, entry.Key, entry.Value);
-            }
-        }
-
         private GVFSFunctionalTestEnlistment CloneAndMountEnlistment(string branch = null)
         {
             return this.CreateNewEnlistment(this.localCachePath, branch);