fix some typos in /pkg/volume

pkg/volume/fc/fc_util.go

@@ -319,7 +319,7 @@ func (util *fcUtil) DetachBlockFCDisk(c fcDiskUnmapper, mapPath, devicePath stri
 	}
 	volumeInfo := arr[len(arr)-1]
 
-	// Search symbolick link which matches volumeInfo under /dev/disk/by-path or /dev/disk/by-id
+	// Search symbolic link which matches volumeInfo under /dev/disk/by-path or /dev/disk/by-id
 	// then find destination device path from the link
 	searchPath := byID
 	if strings.Contains(volumeInfo, "-lun-") {

pkg/volume/util/operationexecutor/operation_generator.go

@@ -803,7 +803,7 @@ func (og *operationGenerator) GenerateUnmountDeviceFunc(
 // After setup is done, create symbolic links on both global map path and pod
 // device map path. Once symbolic links are created, take fd lock by
 // loopback for the device to avoid silent volume replacement. This lock
-// will be realased once no one uses the device.
+// will be released once no one uses the device.
 // If all steps are completed, the volume is marked as mounted.
 func (og *operationGenerator) GenerateMapVolumeFunc(
 	waitForAttachTimeout time.Duration,
@@ -1033,7 +1033,7 @@ func (og *operationGenerator) GenerateUnmapVolumeFunc(
 
 // GenerateUnmapDeviceFunc marks device as unmounted based on following steps.
 // Check under globalMapPath dir if there isn't pod's symbolic links in it.
-// If symbolick link isn't there, the device isn't referenced from Pods.
+// If symbolic link isn't there, the device isn't referenced from Pods.
 // Call plugin TearDownDevice to clean-up device connection, stored data under
 // globalMapPath, these operations depend on plugin implementation.
 // Once TearDownDevice is completed, remove globalMapPath dir.
@@ -1064,7 +1064,7 @@ func (og *operationGenerator) GenerateUnmapDeviceFunc(
 
 	unmapDeviceFunc := func() (error, error) {
 		// Search under globalMapPath dir if all symbolic links from pods have been removed already.
-		// If symbolick links are there, pods may still refer the volume.
+		// If symbolic links are there, pods may still refer the volume.
 		globalMapPath := deviceToDetach.DeviceMountPath
 		refs, err := og.blkUtil.GetDeviceSymlinkRefs(deviceToDetach.DevicePath, globalMapPath)
 		if err != nil {

pkg/volume/util/volumepathhandler/volume_path_handler.go

@@ -144,16 +144,16 @@ func (v VolumePathHandler) RemoveMapPath(mapPath string) error {
 }
 
 // IsSymlinkExist returns true if specified file exists and the type is symbolik link.
-// If file doesn't exist, or file exists but not symbolick link, return false with no error.
+// If file doesn't exist, or file exists but not symbolic link, return false with no error.
 // On other cases, return false with error from Lstat().
 func (v VolumePathHandler) IsSymlinkExist(mapPath string) (bool, error) {
 	fi, err := os.Lstat(mapPath)
 	if err == nil {
-		// If file exits and it's symbolick link, return true and no error
+		// If file exits and it's symbolic link, return true and no error
 		if fi.Mode()&os.ModeSymlink == os.ModeSymlink {
 			return true, nil
 		}
-		// If file exits but it's not symbolick link, return fale and no error
+		// If file exits but it's not symbolic link, return fale and no error
 		return false, nil
 	}
 	// If file doesn't exist, return false and no error