[10.x] Allow separate directory for locks on filestore

src/Illuminate/Cache/CacheManager.php

@@ -144,7 +144,10 @@ protected function createArrayDriver(array $config)
      */
     protected function createFileDriver(array $config)
     {
-        return $this->repository(new FileStore($this->app['files'], $config['path'], $config['permission'] ?? null));
+        return $this->repository(
+            (new FileStore($this->app['files'], $config['path'], $config['permission'] ?? null))
+                ->setLockDirectory($config['lock_path'] ?? null)
+        );
     }
 
     /**

src/Illuminate/Cache/FileStore.php

@@ -28,6 +28,13 @@ class FileStore implements Store, LockProvider
      */
     protected $directory;
 
+    /**
+     * The file cache lock directory.
+     *
+     * @var string|null
+     */
+    protected $lockDirectory;
+
     /**
      * Octal representation of the cache file permissions.
      *
@@ -210,7 +217,14 @@ public function forever($key, $value)
      */
     public function lock($name, $seconds = 0, $owner = null)
     {
-        return new FileLock($this, $name, $seconds, $owner);
+        $this->ensureCacheDirectoryExists($this->lockDirectory ?? $this->directory);
+
+        return new FileLock(
+            new static($this->files, $this->lockDirectory ?? $this->directory, $this->filePermission),
+            $name,
+            $seconds,
+            $owner
+        );
     }
 
     /**
@@ -364,6 +378,19 @@ public function getDirectory()
         return $this->directory;
     }
 
+    /**
+     * Set the cache directory where locks should be stored.
+     *
+     * @param  string|null  $lockDirectory
+     * @return $this
+     */
+    public function setLockDirectory($lockDirectory)
+    {
+        $this->lockDirectory = $lockDirectory;
+
+        return $this;
+    }
+
     /**
      * Get the cache key prefix.
      *