Cleanup/simplification

* Removed useless copies/allocations
* Reduced unneeded complexity

1 files changed, 3 insertions, 4 deletions

diff --git a/Emby.Server.Implementations/IO/ManagedFileSystem.cs b/Emby.Server.Implementations/IO/ManagedFileSystem.cs
index a64dfb607..421592fad 100644
--- a/Emby.Server.Implementations/IO/ManagedFileSystem.cs
+++ b/Emby.Server.Implementations/IO/ManagedFileSystem.cs
@@ -7,7 +7,6 @@ using System.Text;
 using MediaBrowser.Common.Configuration;
 using MediaBrowser.Model.IO;
 using MediaBrowser.Model.System;
-using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.Logging;
 
 namespace Emby.Server.Implementations.IO
@@ -711,20 +710,20 @@ namespace Emby.Server.Implementations.IO
             return GetFiles(path, null, false, recursive);
         }
 
-        public virtual IEnumerable<FileSystemMetadata> GetFiles(string path, string[] extensions, bool enableCaseSensitiveExtensions, bool recursive = false)
+        public virtual IEnumerable<FileSystemMetadata> GetFiles(string path, IReadOnlyList<string> extensions, bool enableCaseSensitiveExtensions, bool recursive = false)
         {
             var searchOption = recursive ? SearchOption.AllDirectories : SearchOption.TopDirectoryOnly;
 
             // On linux and osx the search pattern is case sensitive
             // If we're OK with case-sensitivity, and we're only filtering for one extension, then use the native method
-            if ((enableCaseSensitiveExtensions || _isEnvironmentCaseInsensitive) && extensions != null && extensions.Length == 1)
+            if ((enableCaseSensitiveExtensions || _isEnvironmentCaseInsensitive) && extensions != null && extensions.Count == 1)
             {
                 return ToMetadata(new DirectoryInfo(path).EnumerateFiles("*" + extensions[0], searchOption));
             }
 
             var files = new DirectoryInfo(path).EnumerateFiles("*", searchOption);
 
-            if (extensions != null && extensions.Length > 0)
+            if (extensions != null && extensions.Count > 0)
             {
                 files = files.Where(i =>
                 {