Added B_TRIM_DEVICE ioctl.

headers/os/drivers/Drivers.h

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2011, Haiku Inc. All Rights Reserved.
+ * Copyright 2002-2013, Haiku Inc. All Rights Reserved.
  * Distributed under the terms of the MIT License.
  */
 #ifndef _DRIVERS_DRIVERS_H
@@ -106,6 +106,7 @@ enum {
 	B_GET_ICON_NAME,				/* get an icon name identifier */
 	B_GET_VECTOR_ICON,				/* retrieves the device's vector icon */
 	B_GET_DEVICE_NAME,				/* get name, string buffer */
+	B_TRIM_DEVICE,					/* trims blocks, see fs_trim_data */
 
 	B_GET_NEXT_OPEN_DEVICE = 1000,	/* obsolete, will be removed */
 	B_ADD_FIXED_DRIVER,				/* obsolete, will be removed */
@@ -169,6 +170,14 @@ typedef struct {
 } device_icon;
 
 
+/* B_TRIM_DEVICE data structure */
+typedef struct {
+	off_t	offset;					/* offset (in bytes) */
+	off_t	size;
+	off_t	trimmed_size;			/* filled on return */
+} fs_trim_data;
+
+
 #ifdef __cplusplus
 }
 #endif

headers/private/fs_shell/fssh_api_wrapper.h

@@ -435,6 +435,10 @@
 #define B_SET_INTERRUPTABLE_IO		FSSH_B_SET_INTERRUPTABLE_IO
 #define B_FLUSH_DRIVE_CACHE			FSSH_B_FLUSH_DRIVE_CACHE
 #define B_GET_PATH_FOR_DEVICE		FSSH_B_GET_PATH_FOR_DEVICE
+#define B_GET_ICON_NAME				FSSH_B_GET_ICON_NAME
+#define B_GET_VECTOR_ICON			FSSH_B_GET_VECTOR_ICON
+#define B_GET_DEVICE_NAME			FSSH_B_GET_DEVICE_NAME
+#define B_TRIM_DEVICE				FSSH_B_TRIM_DEVICE
 #define B_GET_NEXT_OPEN_DEVICE		FSSH_B_GET_NEXT_OPEN_DEVICE
 #define B_ADD_FIXED_DRIVER			FSSH_B_ADD_FIXED_DRIVER
 #define B_REMOVE_FIXED_DRIVER		FSSH_B_REMOVE_FIXED_DRIVER
@@ -462,6 +466,7 @@
 #define driver_path				fssh_driver_path
 #define open_device_iterator	fssh_open_device_iterator
 #define device_icon				fssh_device_icon
+#define fs_trim_data			fssh_fs_trim_data
 
 
 ////////////////////////////////////////////////////////////////////////////////

headers/private/fs_shell/fssh_drivers.h

@@ -120,8 +120,11 @@ enum {
 	FSSH_B_SET_INTERRUPTABLE_IO,		/* allow cntl-C to interrupt i/o */
 
 	FSSH_B_FLUSH_DRIVE_CACHE,			/* flush drive cache */
-
 	FSSH_B_GET_PATH_FOR_DEVICE,			/* get the absolute path of the device */
+	FSSH_B_GET_ICON_NAME,				/* get an icon name identifier */
+	FSSH_B_GET_VECTOR_ICON,				/* retrieves the device's vector icon */
+	FSSH_B_GET_DEVICE_NAME,				/* get name, string buffer */
+	FSSH_B_TRIM_DEVICE,					/* trims blocks, see fs_trim_data */
 
 	FSSH_B_GET_NEXT_OPEN_DEVICE = 1000,	/* iterate through open devices */
 	FSSH_B_ADD_FIXED_DRIVER,			/* private */
@@ -210,6 +213,14 @@ typedef struct {
 } fssh_device_icon;
 
 
+/* B_TRIM_DEVICE data structure */
+typedef struct {
+	fssh_off_t	offset;					/* offset (in bytes) */
+	fssh_off_t	size;
+	fssh_off_t	trimmed_size;			/* filled on return */
+} fssh_fs_trim_data;
+
+
 #ifdef __cplusplus
 }
 #endif