Add ftruncate into file operation calls

- Add truncate into file_operations
- Move truncate to be common for mountpt_operations and file_operations
- Modify all drivers to initialize the operations struct accordingly

Signed-off-by: Jukka Laitinen <jukkax@ssrc.tii.ae>

arch/arm/src/cxd56xx/cxd56_geofence.c

@@ -106,6 +106,7 @@ static const struct file_operations g_geofencefops =
   NULL,                 /* write */
   NULL,                 /* seek */
   cxd56_geofence_ioctl, /* ioctl */
+  NULL,                 /* truncate */
   cxd56_geofence_poll   /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL                /* unlink */

arch/arm/src/cxd56xx/cxd56_gnss.c

@@ -317,6 +317,7 @@ static const struct file_operations g_gnssfops =
   cxd56_gnss_write, /* write */
   NULL,             /* seek */
   cxd56_gnss_ioctl, /* ioctl */
+  NULL,             /* truncate */
   cxd56_gnss_poll   /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL            /* unlink */

arch/arm/src/cxd56xx/cxd56_hostif.c

@@ -145,6 +145,7 @@ static const struct file_operations g_hif_fops =
   hif_write,   /* write */
   hif_seek,    /* seek */
   hif_ioctl,   /* ioctl */
+  NULL,        /* truncate */
   hif_poll     /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , hif_unlink /* unlink */

arch/arm/src/sama5/sam_tsd.c

@@ -249,6 +249,7 @@ static const struct file_operations g_tsdops =
   NULL,            /* write */
   NULL,            /* seek */
   sam_tsd_ioctl,   /* ioctl */
+  NULL,            /* truncate */
   sam_tsd_poll     /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL           /* unlink */

boards/arm/sam34/sam4l-xplained/src/sam_slcd.c

@@ -296,6 +296,7 @@ static const struct file_operations g_slcdops =
   slcd_write,    /* write */
   NULL,          /* seek */
   slcd_ioctl,    /* ioctl */
+  NULL,          /* truncate */
   slcd_poll      /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL         /* unlink */

boards/arm/stm32/mikroe-stm32f4/src/stm32_touchscreen.c

@@ -268,6 +268,7 @@ static const struct file_operations tc_fops =
   NULL,       /* write */
   NULL,       /* seek */
   tc_ioctl,   /* ioctl */
+  NULL,       /* truncate */
   tc_poll     /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL      /* unlink */

boards/arm/stm32/stm32ldiscovery/src/stm32_lcd.c

@@ -346,6 +346,7 @@ static const struct file_operations g_slcdops =
   slcd_write,    /* write */
   NULL,          /* seek */
   slcd_ioctl,    /* ioctl */
+  NULL,          /* truncate */
   slcd_poll      /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL         /* unlink */

boards/mips/pic32mx/pic32mx7mmb/src/pic32_touchscreen.c

@@ -249,6 +249,7 @@ static const struct file_operations tc_fops =
   NULL,       /* write */
   NULL,       /* seek */
   tc_ioctl,   /* ioctl */
+  NULL,       /* truncate */
   tc_poll     /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL      /* unlink */

boards/mips/pic32mx/sure-pic32mx/src/pic32mx_lcd1602.c

@@ -181,6 +181,7 @@ static const struct file_operations g_lcdops =
   lcd_write,     /* write */
   NULL,          /* seek */
   lcd_ioctl,     /* ioctl */
+  NULL,          /* truncate */
   lcd_poll       /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL         /* unlink */

crypto/cryptodev.c

@@ -125,6 +125,7 @@ static const struct file_operations g_cryptofops =
   cryptof_write,       /* write  */
   NULL,                /* seek   */
   cryptof_ioctl,       /* ioctl  */
+  NULL,                /* truncate */
   cryptof_poll         /* poll   */
 };
 
@@ -136,6 +137,7 @@ static const struct file_operations g_cryptoops =
   NULL,                /* write  */
   NULL,                /* seek   */
   cryptoioctl,         /* ioctl  */
+  NULL,                /* truncate */
   NULL                 /* poll   */
 };
 

drivers/analog/adc.c

@@ -72,6 +72,7 @@ static const struct file_operations g_adc_fops =
   NULL,         /* write */
   NULL,         /* seek */
   adc_ioctl,    /* ioctl */
+  NULL,         /* truncate */
   adc_poll      /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL        /* unlink */

drivers/analog/comp.c

@@ -65,6 +65,7 @@ static const struct file_operations comp_fops =
   NULL,                         /* write */
   NULL,                         /* seek */
   comp_ioctl,                   /* ioctl */
+  NULL,                         /* truncate */
   comp_poll                     /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL                        /* unlink */

drivers/bch/bchdev_driver.c

@@ -78,6 +78,7 @@ const struct file_operations bch_fops =
   bch_write,   /* write */
   bch_seek,    /* seek */
   bch_ioctl,   /* ioctl */
+  NULL,        /* truncate */
   bch_poll     /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , bch_unlink /* unlink */

drivers/can/can.c

@@ -135,6 +135,7 @@ static const struct file_operations g_canops =
   can_write, /* write */
   NULL,      /* seek */
   can_ioctl, /* ioctl */
+  NULL,      /* truncate */
   can_poll   /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL     /* unlink */

drivers/crypto/dev_urandom.c

@@ -100,6 +100,7 @@ static const struct file_operations g_urand_fops =
   devurand_write,               /* write */
   NULL,                         /* seek */
   NULL,                         /* ioctl */
+  NULL,                         /* truncate */
   devurand_poll                 /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL                        /* unlink */

drivers/i2c/i2c_driver.c

@@ -99,6 +99,7 @@ static const struct file_operations i2cdrvr_fops =
   i2cdrvr_write,   /* write */
   NULL,            /* seek */
   i2cdrvr_ioctl,   /* ioctl */
+  NULL,            /* truncate */
   NULL             /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , i2cdrvr_unlink /* unlink */

drivers/input/ads7843e.c

@@ -122,6 +122,7 @@ static const struct file_operations ads7843e_fops =
   NULL,             /* write */
   NULL,             /* seek */
   ads7843e_ioctl,   /* ioctl */
+  NULL,             /* truncate */
   ads7843e_poll     /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL            /* unlink */

drivers/input/ajoystick.c

@@ -135,6 +135,7 @@ static const struct file_operations ajoy_fops =
   NULL,       /* write */
   NULL,       /* seek */
   ajoy_ioctl, /* ioctl */
+  NULL,       /* truncate */
   ajoy_poll   /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL      /* unlink */

drivers/input/button_upper.c

@@ -133,6 +133,7 @@ static const struct file_operations btn_fops =
   btn_write, /* write */
   NULL,      /* seek */
   btn_ioctl, /* ioctl */
+  NULL,      /* truncate */
   btn_poll   /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL     /* unlink */

drivers/input/cypress_mbr3108.c

@@ -224,6 +224,7 @@ static const struct file_operations g_mbr3108_fileops =
   mbr3108_write,  /* write */
   NULL,           /* seek */
   NULL,           /* ioctl */
+  NULL,           /* truncate */
   mbr3108_poll    /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL          /* unlink */

drivers/input/djoystick.c

@@ -135,6 +135,7 @@ static const struct file_operations djoy_fops =
   NULL,       /* write */
   NULL,       /* seek */
   djoy_ioctl, /* ioctl */
+  NULL,       /* truncate */
   djoy_poll   /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL      /* unlink */

drivers/input/ft5x06.c

@@ -176,6 +176,7 @@ static const struct file_operations ft5x06_fops =
   NULL,           /* write */
   NULL,           /* seek */
   ft5x06_ioctl,   /* ioctl */
+  NULL,           /* truncate */
   ft5x06_poll     /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL          /* unlink */

drivers/input/keyboard_upper.c

@@ -88,6 +88,7 @@ static const struct file_operations g_keyboard_fops =
   keyboard_write, /* write */
   NULL,           /* seek */
   NULL,           /* ioctl */
+  NULL,           /* truncate */
   keyboard_poll   /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL          /* unlink */

drivers/input/max11802.c

@@ -115,6 +115,7 @@ static const struct file_operations max11802_fops =
   NULL,             /* write */
   NULL,             /* seek */
   max11802_ioctl,   /* ioctl */
+  NULL,             /* truncate */
   max11802_poll     /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL            /* unlink */

drivers/input/mxt.c

@@ -280,6 +280,7 @@ static const struct file_operations mxt_fops =
   NULL,        /* write */
   NULL,        /* seek */
   mxt_ioctl,   /* ioctl */
+  NULL,        /* truncate */
   mxt_poll     /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL       /* unlink */

drivers/input/spq10kbd.c

@@ -255,6 +255,7 @@ static const struct file_operations g_hidkbd_fops =
   spq10kbd_write,            /* write */
   NULL,                      /* seek */
   NULL,                      /* ioctl */
+  NULL,                      /* truncate */
   spq10kbd_poll              /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL                     /* unlink */

drivers/input/stmpe811_tsc.c

@@ -124,6 +124,7 @@ static const struct file_operations g_stmpe811fops =
   NULL,             /* write */
   NULL,             /* seek */
   stmpe811_ioctl,   /* ioctl */
+  NULL,             /* truncate */
   stmpe811_poll     /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL            /* unlink */

drivers/input/touchscreen_upper.c

@@ -90,6 +90,7 @@ static const struct file_operations g_touch_fops =
   touch_write,    /* write */
   NULL,           /* seek */
   touch_ioctl,    /* ioctl */
+  NULL,           /* truncate */
   touch_poll      /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL          /* unlink */

drivers/input/tsc2007.c

@@ -209,6 +209,7 @@ static const struct file_operations tsc2007_fops =
   NULL,            /* write */
   NULL,            /* seek */
   tsc2007_ioctl,   /* ioctl */
+  NULL,            /* truncate */
   tsc2007_poll     /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL           /* unlink */

drivers/lcd/ft80x.c

@@ -134,6 +134,7 @@ static const struct file_operations g_ft80x_fops =
   ft80x_write,   /* write */
   NULL,          /* seek */
   ft80x_ioctl,   /* ioctl */
+  NULL,          /* truncate */
   NULL           /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , ft80x_unlink /* unlink */

drivers/lcd/pcf8574_lcd_backpack.c

@@ -117,6 +117,7 @@ static const struct file_operations g_pcf8574_lcd_fops =
   pcf8574_lcd_write,            /* write */
   pcf8574_lcd_seek,             /* seek */
   pcf8574_lcd_ioctl,            /* ioctl */
+  NULL,                         /* truncate */
   pcf8574_lcd_poll              /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , pcf8574_lcd_unlink          /* unlink */

drivers/lcd/tda19988.c

@@ -170,6 +170,7 @@ static const struct file_operations tda19988_fops =
   tda19988_write,    /* write */
   tda19988_seek,     /* seek */
   tda19988_ioctl,    /* ioctl */
+  NULL,              /* truncate */
   tda19988_poll      /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , tda19988_unlink  /* unlink */

drivers/misc/dev_null.c

@@ -57,6 +57,7 @@ static const struct file_operations devnull_fops =
   devnull_write, /* write */
   NULL,          /* seek */
   NULL,          /* ioctl */
+  NULL,          /* truncate */
   devnull_poll   /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL         /* unlink */

drivers/misc/dev_zero.c

@@ -57,6 +57,7 @@ static const struct file_operations devzero_fops =
   devzero_write, /* write */
   NULL,          /* seek */
   NULL,          /* ioctl */
+  NULL,          /* truncate */
   devzero_poll   /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL         /* unlink */

drivers/misc/rpmsgdev.c

@@ -165,6 +165,7 @@ const struct file_operations g_rpmsgdev_ops =
   rpmsgdev_write,         /* write */
   rpmsgdev_seek,          /* seek */
   rpmsgdev_ioctl,         /* ioctl */
+  NULL,                   /* truncate */
   rpmsgdev_poll           /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL                  /* unlink */

drivers/modem/alt1250/alt1250.c

@@ -77,6 +77,7 @@ static const struct file_operations g_alt1250fops =
   NULL,          /* write */
   NULL,          /* seek */
   alt1250_ioctl, /* ioctl */
+  NULL,          /* truncate */
   alt1250_poll,  /* poll */
 };
 static uint8_t g_recvbuff[ALTCOM_RX_PKT_SIZE_MAX];

drivers/modem/u-blox.c

@@ -114,6 +114,7 @@ static const struct file_operations ubxmdm_fops =
   ubxmdm_write, /* write */
   NULL,         /* seek */
   ubxmdm_ioctl, /* ioctl */
+  NULL,         /* truncate */
   ubxmdm_poll   /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL        /* unlink */

drivers/mtd/mtd_config.c

@@ -119,6 +119,7 @@ static const struct file_operations mtdconfig_fops =
   NULL,            /* write */
   NULL,            /* seek */
   mtdconfig_ioctl, /* ioctl */
+  NULL,            /* truncate */
   mtdconfig_poll   /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL            /* unlink */

drivers/mtd/mtd_config_fs.c

@@ -141,6 +141,7 @@ static const struct file_operations g_mtdnvs_fops =
   NULL,            /* Write */
   NULL,            /* Seek */
   mtdconfig_ioctl, /* Ioctl */
+  NULL,            /* Truncate */
   mtdconfig_poll   /* Poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL           /* Unlink */

drivers/net/telnet.c

@@ -190,6 +190,7 @@ static const struct file_operations g_telnet_fops =
   telnet_write,  /* write */
   NULL,          /* seek */
   telnet_ioctl,  /* ioctl */
+  NULL,          /* truncate */
   telnet_poll    /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL         /* unlink */
@@ -204,6 +205,7 @@ static const struct file_operations g_factory_fops =
   factory_write, /* write */
   NULL,          /* seek */
   factory_ioctl, /* ioctl */
+  NULL,          /* truncate */
   NULL           /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL         /* unlink */

drivers/net/tun.c

@@ -219,6 +219,7 @@ static const struct file_operations g_tun_file_ops =
   tun_write,    /* write */
   NULL,         /* seek */
   tun_ioctl,    /* ioctl */
+  NULL,         /* truncate */
   tun_poll      /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL        /* unlink */

drivers/pipes/fifo.c

@@ -47,6 +47,7 @@ static const struct file_operations g_fifo_fops =
   pipecommon_write,    /* write */
   NULL,                /* seek */
   pipecommon_ioctl,    /* ioctl */
+  NULL,                /* truncate */
   pipecommon_poll      /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , pipecommon_unlink  /* unlink */

drivers/pipes/pipe.c

@@ -61,6 +61,7 @@ static const struct file_operations g_pipe_fops =
   pipecommon_write,    /* write */
   NULL,                /* seek */
   pipecommon_ioctl,    /* ioctl */
+  NULL,                /* truncate */
   pipecommon_poll      /* poll */
 };
 

drivers/power/battery/battery_charger.c

@@ -91,6 +91,7 @@ static const struct file_operations g_batteryops =
   bat_charger_write,   /* write */
   NULL,                /* seek */
   bat_charger_ioctl,   /* ioctl */
+  NULL,                /* truncate */
   bat_charger_poll     /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL               /* unlink */

drivers/power/battery/battery_gauge.c

@@ -93,6 +93,7 @@ static const struct file_operations g_batteryops =
   bat_gauge_write,  /* write */
   NULL,             /* seek */
   bat_gauge_ioctl,  /* ioctl */
+  NULL,             /* truncate */
   bat_gauge_poll    /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL            /* unlink */

drivers/power/battery/battery_monitor.c

@@ -92,6 +92,7 @@ static const struct file_operations g_batteryops =
   bat_monitor_write,   /* write */
   NULL,                /* seek */
   bat_monitor_ioctl,   /* ioctl */
+  NULL,                /* truncate */
   bat_monitor_poll     /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL               /* unlink */

drivers/rc/lirc_dev.c

@@ -103,6 +103,7 @@ static const struct file_operations g_lirc_fops =
   lirc_write,  /* write */
   NULL,        /* seek */
   lirc_ioctl,  /* ioctl */
+  NULL,        /* truncate */
   lirc_poll    /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL       /* unlink */

drivers/sensors/aht10.c

@@ -116,6 +116,7 @@ static const struct file_operations g_aht10fops =
   aht10_write,    /* write */
   NULL,           /* seek */
   aht10_ioctl,    /* ioctl */
+  NULL,           /* truncate */
   NULL            /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , aht10_unlink /* unlink */

drivers/sensors/hc_sr04.c

@@ -90,6 +90,7 @@ static const struct file_operations g_hcsr04ops =
   hcsr04_write,  /* write */
   NULL,          /* seek */
   hcsr04_ioctl,  /* ioctl */
+  NULL,          /* truncate */
   hcsr04_poll    /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL         /* unlink */

drivers/sensors/hdc1008.c

@@ -161,6 +161,7 @@ static const struct file_operations g_hdc1008fops =
   hdc1008_write,    /* write */
   NULL,             /* seek */
   hdc1008_ioctl,    /* ioctl */
+  NULL,             /* truncate */
   NULL              /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , hdc1008_unlink  /* unlink */

drivers/sensors/hts221.c

@@ -157,6 +157,7 @@ static const struct file_operations g_humidityops =
   hts221_write,  /* write */
   NULL,          /* seek */
   hts221_ioctl,  /* ioctl */
+  NULL,          /* truncate */
   hts221_poll    /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL         /* unlink */

drivers/sensors/lis2dh.c

@@ -154,6 +154,7 @@ static const struct file_operations g_lis2dhops =
   lis2dh_write,  /* write */
   NULL,          /* seek */
   lis2dh_ioctl,  /* ioctl */
+  NULL,          /* truncate */
   lis2dh_poll    /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL         /* unlink */

drivers/sensors/max44009.c

@@ -112,6 +112,7 @@ static const struct file_operations g_alsops =
   max44009_write,  /* write */
   NULL,            /* seek */
   max44009_ioctl,  /* ioctl */
+  NULL,            /* truncate */
   max44009_poll    /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL           /* unlink */

drivers/sensors/scd30.c

@@ -182,6 +182,7 @@ static const struct file_operations g_scd30fops =
   scd30_write,    /* write */
   NULL,           /* seek */
   scd30_ioctl,    /* ioctl */
+  NULL,           /* truncate */
   NULL            /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , scd30_unlink /* unlink */

drivers/sensors/scd41.c

@@ -190,6 +190,7 @@ static const struct file_operations g_scd41fops =
   scd41_write,    /* write */
   NULL,           /* seek */
   scd41_ioctl,    /* ioctl */
+  NULL,           /* truncate */
   NULL            /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , scd41_unlink /* unlink */

drivers/sensors/sensor.c

@@ -167,6 +167,7 @@ static const struct file_operations g_sensor_fops =
   sensor_write,   /* write */
   NULL,           /* seek  */
   sensor_ioctl,   /* ioctl */
+  NULL,           /* truncate */
   sensor_poll     /* poll  */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL          /* unlink */

drivers/sensors/sgp30.c

@@ -159,6 +159,7 @@ static const struct file_operations g_sgp30fops =
   sgp30_write,    /* write */
   NULL,           /* seek */
   sgp30_ioctl,    /* ioctl */
+  NULL,           /* truncate */
   NULL            /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , sgp30_unlink /* unlink */

drivers/sensors/sht21.c

@@ -131,6 +131,7 @@ static const struct file_operations g_sht21fops =
   sht21_write,    /* write */
   NULL,           /* seek */
   sht21_ioctl,    /* ioctl */
+  NULL,           /* truncate */
   NULL            /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , sht21_unlink /* unlink */

drivers/sensors/sht3x.c

@@ -170,6 +170,7 @@ static const struct file_operations g_sht3xfops =
   sht3x_write,    /* write */
   NULL,           /* seek */
   sht3x_ioctl,    /* ioctl */
+  NULL,           /* truncate */
   NULL            /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , sht3x_unlink  /* unlink */

drivers/sensors/sps30.c

@@ -175,6 +175,7 @@ static const struct file_operations g_sps30fops =
   sps30_write,    /* write */
   NULL,           /* seek */
   sps30_ioctl,    /* ioctl */
+  NULL,           /* truncate */
   NULL            /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , sps30_unlink /* unlink */

drivers/sensors/usensor.c

@@ -81,6 +81,7 @@ static const struct file_operations g_usensor_fops =
   usensor_write, /* write */
   NULL,          /* seek  */
   usensor_ioctl, /* ioctl */
+  NULL,          /* truncate */
   NULL,          /* poll  */
 };
 

drivers/serial/pty.c

@@ -127,6 +127,7 @@ static const struct file_operations g_pty_fops =
   pty_write,     /* write */
   NULL,          /* seek */
   pty_ioctl,     /* ioctl */
+  NULL,          /* truncate */
   pty_poll       /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , pty_unlink   /* unlink */

drivers/serial/serial.c

@@ -126,6 +126,7 @@ static const struct file_operations g_serialops =
   uart_write, /* write */
   NULL,       /* seek */
   uart_ioctl, /* ioctl */
+  NULL,       /* truncate */
   uart_poll   /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL      /* unlink */

drivers/serial/uart_bth4.c

@@ -90,6 +90,7 @@ static const struct file_operations g_uart_bth4_ops =
   uart_bth4_write,  /* write */
   NULL,             /* seek */
   uart_bth4_ioctl,  /* ioctl */
+  NULL,             /* truncate */
   uart_bth4_poll    /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL            /* unlink */

drivers/spi/spi_driver.c

@@ -99,6 +99,7 @@ static const struct file_operations spidrvr_fops =
   spidrvr_write,   /* write */
   NULL,            /* seek */
   spidrvr_ioctl,   /* ioctl */
+  NULL,            /* truncate */
   NULL             /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , spidrvr_unlink /* unlink */

drivers/spi/spi_slave_driver.c

@@ -127,6 +127,7 @@ static const struct file_operations g_spislavefops =
   spi_slave_write,              /* write */
   NULL,                         /* seek */
   NULL,                         /* ioctl */
+  NULL,                         /* truncate */
   NULL                          /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , spi_slave_unlink            /* unlink */

drivers/syslog/ramlog.c

@@ -114,6 +114,7 @@ static const struct file_operations g_ramlogfops =
   ramlog_file_write, /* write */
   NULL,              /* seek */
   ramlog_file_ioctl, /* ioctl */
+  NULL,              /* truncate */
   ramlog_file_poll   /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL             /* unlink */

drivers/timers/rtc.c

@@ -129,6 +129,7 @@ static const struct file_operations rtc_fops =
   rtc_write,     /* write */
   NULL,          /* seek */
   rtc_ioctl,     /* ioctl */
+  NULL,          /* truncate */
   NULL           /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , rtc_unlink   /* unlink */

drivers/usbdev/adb.c

@@ -254,6 +254,7 @@ static const struct file_operations g_adb_fops =
   adb_char_write, /* write */
   NULL,           /* seek */
   NULL,           /* ioctl */
+  NULL,           /* truncate */
   adb_char_poll   /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL          /* unlink */

drivers/usbhost/usbhost_cdcmbim.c

@@ -347,6 +347,7 @@ static const struct file_operations cdcwdm_fops =
   cdcwdm_write,  /* write */
   NULL,          /* seek */
   NULL,          /* ioctl */
+  NULL,          /* truncate */
   cdcwdm_poll    /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL         /* unlink */

drivers/usbhost/usbhost_hidkbd.c

@@ -341,6 +341,7 @@ static const struct file_operations g_hidkbd_fops =
   usbhost_write,            /* write */
   NULL,                     /* seek */
   NULL,                     /* ioctl */
+  NULL,                     /* truncate */
   usbhost_poll              /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL                    /* unlink */

drivers/usbhost/usbhost_hidmouse.c

@@ -391,6 +391,7 @@ static const struct file_operations g_hidmouse_fops =
   usbhost_write,           /* write */
   NULL,                    /* seek */
   NULL,                    /* ioctl */
+  NULL,                    /* truncate */
   usbhost_poll             /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL                   /* unlink */

drivers/usbhost/usbhost_xboxcontroller.c

@@ -296,6 +296,7 @@ static const struct file_operations g_xboxcontroller_fops =
   usbhost_write,            /* write */
   NULL,                     /* seek */
   usbhost_ioctl,            /* ioctl */
+  NULL,                     /* truncate */
   usbhost_poll              /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL                    /* unlink */

drivers/usbmisc/fusb301.c

@@ -94,6 +94,7 @@ static const struct file_operations g_fusb301ops =
   fusb301_write, /* write */
   NULL,          /* seek */
   fusb301_ioctl, /* ioctl */
+  NULL,          /* truncate */
   fusb301_poll   /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL         /* unlink */

drivers/usbmisc/fusb303.c

@@ -128,6 +128,7 @@ static const struct file_operations g_fusb303ops =
   fusb303_write, /* write */
   NULL,          /* seek */
   fusb303_ioctl, /* ioctl */
+  NULL,          /* truncate */
   fusb303_poll   /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL         /* unlink */

drivers/usrsock/usrsock_dev.c

@@ -103,6 +103,7 @@ static const struct file_operations g_usrsockdevops =
   usrsockdev_write,   /* write */
   usrsockdev_seek,    /* seek */
   NULL,               /* ioctl */
+  NULL,               /* truncate */
   usrsockdev_poll     /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL              /* unlink */

drivers/video/fb.c

@@ -85,6 +85,7 @@ static const struct file_operations fb_fops =
   fb_write,      /* write */
   fb_seek,       /* seek */
   fb_ioctl,      /* ioctl */
+  NULL,          /* truncate */
   fb_poll        /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL         /* unlink */

drivers/video/video.c

@@ -284,6 +284,7 @@ static const struct file_operations g_video_fops =
   video_write,              /* write */
   NULL,                     /* seek */
   video_ioctl,              /* ioctl */
+  NULL,                     /* truncate */
   NULL                      /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL                    /* unlink */

drivers/wireless/cc1101.c

@@ -305,6 +305,7 @@ static const struct file_operations g_cc1101ops =
   cc1101_file_write, /* write */
   NULL,              /* seek */
   NULL,              /* ioctl */
+  NULL,              /* truncate */
   cc1101_file_poll   /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL             /* unlink */

drivers/wireless/gs2200m.c

@@ -231,6 +231,7 @@ static const struct file_operations g_gs2200m_fops =
   gs2200m_write, /* write */
   NULL,          /* seek */
   gs2200m_ioctl, /* ioctl */
+  NULL,          /* truncate */
   gs2200m_poll   /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL         /* unlink */

drivers/wireless/lpwan/sx127x/sx127x.c

@@ -451,6 +451,7 @@ static const struct file_operations sx127x_fops =
   sx127x_write,   /* write */
   NULL,           /* seek */
   sx127x_ioctl,   /* ioctl */
+  NULL,           /* truncate */
   sx127x_poll     /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL          /* unlink */

drivers/wireless/nrf24l01.c

@@ -239,6 +239,7 @@ static const struct file_operations nrf24l01_fops =
   nrf24l01_write,   /* write */
   NULL,             /* seek */
   nrf24l01_ioctl,   /* ioctl */
+  NULL,             /* truncate */
   nrf24l01_poll     /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL            /* unlink */

fs/binfs/fs_binfs.c

@@ -109,12 +109,12 @@ const struct mountpt_operations binfs_operations =
   NULL,              /* write */
   NULL,              /* seek */
   binfs_ioctl,       /* ioctl */
+  NULL,              /* truncate */
 
   NULL,              /* sync */
   binfs_dup,         /* dup */
   binfs_fstat,       /* fstat */
   NULL,              /* fchstat */
-  NULL,              /* truncate */
 
   binfs_opendir,     /* opendir */
   binfs_closedir,    /* closedir */

fs/cromfs/fs_cromfs.c

@@ -184,12 +184,12 @@ const struct mountpt_operations cromfs_operations =
   NULL,              /* write */
   NULL,              /* seek */
   cromfs_ioctl,      /* ioctl */
+  NULL,              /* truncate */
 
   NULL,              /* sync */
   cromfs_dup,        /* dup */
   cromfs_fstat,      /* fstat */
   NULL,              /* fchstat */
-  NULL,              /* truncate */
 
   cromfs_opendir,    /* opendir */
   cromfs_closedir,   /* closedir */

fs/fat/fs_fat32.c

@@ -115,12 +115,11 @@ const struct mountpt_operations fat_operations =
   fat_write,         /* write */
   fat_seek,          /* seek */
   fat_ioctl,         /* ioctl */
-
+  fat_truncate,      /* truncate */
   fat_sync,          /* sync */
   fat_dup,           /* dup */
   fat_fstat,         /* fstat */
   NULL,              /* fchstat */
-  fat_truncate,      /* truncate */
 
   fat_opendir,       /* opendir */
   fat_closedir,      /* closedir */

fs/hostfs/hostfs.c

@@ -142,12 +142,12 @@ const struct mountpt_operations hostfs_operations =
   hostfs_write,         /* write */
   hostfs_seek,          /* seek */
   hostfs_ioctl,         /* ioctl */
+  hostfs_ftruncate,     /* ftruncate */
 
   hostfs_sync,          /* sync */
   hostfs_dup,           /* dup */
   hostfs_fstat,         /* fstat */
   hostfs_fchstat,       /* fchstat */
-  hostfs_ftruncate,     /* ftruncate */
 
   hostfs_opendir,       /* opendir */
   hostfs_closedir,      /* closedir */

fs/littlefs/lfs_vfs.c

@@ -140,12 +140,12 @@ const struct mountpt_operations littlefs_operations =
   littlefs_write,         /* write */
   littlefs_seek,          /* seek */
   littlefs_ioctl,         /* ioctl */
+  littlefs_truncate,      /* truncate */
 
   littlefs_sync,          /* sync */
   littlefs_dup,           /* dup */
   littlefs_fstat,         /* fstat */
   NULL,                   /* fchstat */
-  littlefs_truncate,      /* truncate */
 
   littlefs_opendir,       /* opendir */
   littlefs_closedir,      /* closedir */

fs/mqueue/mq_open.c

@@ -60,6 +60,7 @@ static const struct file_operations g_nxmq_fileops =
   NULL,             /* write */
   NULL,             /* seek */
   NULL,             /* ioctl */
+  NULL,             /* truncate */
   nxmq_file_poll    /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL            /* unlink */

fs/nfs/nfs_vfsops.c

@@ -198,12 +198,12 @@ const struct mountpt_operations nfs_operations =
   nfs_write,                    /* write */
   NULL,                         /* seek */
   NULL,                         /* ioctl */
+  nfs_truncate,                 /* truncate */
 
   NULL,                         /* sync */
   nfs_dup,                      /* dup */
   nfs_fstat,                    /* fstat */
   nfs_fchstat,                  /* fchstat */
-  nfs_truncate,                 /* truncate */
 
   nfs_opendir,                  /* opendir */
   nfs_closedir,                 /* closedir */

fs/nxffs/nxffs_initialize.c

@@ -54,17 +54,17 @@ const struct mountpt_operations nxffs_operations =
   nxffs_write,       /* write */
   NULL,              /* seek -- Use f_pos in struct file */
   nxffs_ioctl,       /* ioctl */
-
-  NULL,              /* sync -- No buffered data */
-  nxffs_dup,         /* dup */
-  nxffs_fstat,       /* fstat */
-  NULL,              /* fchstat */
 #ifdef __NO_TRUNCATE_SUPPORT__
   nxffs_truncate,    /* truncate */
 #else
   NULL,              /* truncate */
 #endif
 
+  NULL,              /* sync -- No buffered data */
+  nxffs_dup,         /* dup */
+  nxffs_fstat,       /* fstat */
+  NULL,              /* fchstat */
+
   nxffs_opendir,     /* opendir */
   nxffs_closedir,    /* closedir */
   nxffs_readdir,     /* readdir */

fs/procfs/fs_procfs.c

@@ -252,12 +252,12 @@ const struct mountpt_operations procfs_operations =
   procfs_write,      /* write */
   NULL,              /* seek */
   procfs_ioctl,      /* ioctl */
+  NULL,              /* truncate */
 
   NULL,              /* sync */
   procfs_dup,        /* dup */
   procfs_fstat,      /* fstat */
   NULL,              /* fchstat */
-  NULL,              /* truncate */
 
   procfs_opendir,    /* opendir */
   procfs_closedir,   /* closedir */

fs/romfs/fs_romfs.c

@@ -119,6 +119,7 @@ const struct mountpt_operations romfs_operations =
   NULL,            /* write */
   romfs_seek,      /* seek */
   romfs_ioctl,     /* ioctl */
+  NULL,            /* truncate */
 
   NULL,            /* sync */
   romfs_dup,       /* dup */

fs/rpmsgfs/rpmsgfs.c

@@ -161,12 +161,12 @@ const struct mountpt_operations rpmsgfs_operations =
   rpmsgfs_write,         /* write */
   rpmsgfs_seek,          /* seek */
   rpmsgfs_ioctl,         /* ioctl */
+  rpmsgfs_ftruncate,     /* ftruncate */
 
   rpmsgfs_sync,          /* sync */
   rpmsgfs_dup,           /* dup */
   rpmsgfs_fstat,         /* fstat */
   rpmsgfs_fchstat,       /* fchstat */
-  rpmsgfs_ftruncate,     /* ftruncate */
 
   rpmsgfs_opendir,       /* opendir */
   rpmsgfs_closedir,      /* closedir */

fs/smartfs/smartfs_smart.c

@@ -140,12 +140,12 @@ const struct mountpt_operations smartfs_operations =
   smartfs_write,         /* write */
   smartfs_seek,          /* seek */
   smartfs_ioctl,         /* ioctl */
+  smartfs_truncate,      /* truncate */
 
   smartfs_sync,          /* sync */
   smartfs_dup,           /* dup */
   smartfs_fstat,         /* fstat */
   NULL,                  /* fchstat */
-  smartfs_truncate,      /* truncate */
 
   smartfs_opendir,       /* opendir */
   smartfs_closedir,      /* closedir */

fs/socket/socket.c

@@ -64,6 +64,7 @@ static const struct file_operations g_sock_fileops =
   sock_file_write,  /* write */
   NULL,             /* seek */
   sock_file_ioctl,  /* ioctl */
+  NULL,             /* truncate */
   sock_file_poll    /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL            /* unlink */

fs/spiffs/src/spiffs_vfs.c

@@ -141,12 +141,12 @@ const struct mountpt_operations spiffs_operations =
   spiffs_write,      /* write */
   spiffs_seek,       /* seek */
   spiffs_ioctl,      /* ioctl */
+  spiffs_truncate,   /* truncate */
 
   spiffs_sync,       /* sync */
   spiffs_dup,        /* dup */
   spiffs_fstat,      /* fstat */
   NULL,              /* fchstat */
-  spiffs_truncate,   /* truncate */
 
   spiffs_opendir,    /* opendir */
   spiffs_closedir,   /* closedir */

fs/tmpfs/fs_tmpfs.c

@@ -177,12 +177,12 @@ const struct mountpt_operations tmpfs_operations =
   tmpfs_write,      /* write */
   tmpfs_seek,       /* seek */
   tmpfs_ioctl,      /* ioctl */
+  tmpfs_truncate,   /* truncate */
 
   tmpfs_sync,       /* sync */
   tmpfs_dup,        /* dup */
   tmpfs_fstat,      /* fstat */
   NULL,             /* fchstat */
-  tmpfs_truncate,   /* truncate */
 
   tmpfs_opendir,    /* opendir */
   tmpfs_closedir,   /* closedir */

fs/unionfs/fs_unionfs.c

@@ -222,12 +222,12 @@ const struct mountpt_operations unionfs_operations =
   unionfs_write,       /* write */
   unionfs_seek,        /* seek */
   unionfs_ioctl,       /* ioctl */
+  unionfs_truncate,    /* truncate */
 
   unionfs_sync,        /* sync */
   unionfs_dup,         /* dup */
   unionfs_fstat,       /* fstat */
   unionfs_fchstat,     /* fchstat */
-  unionfs_truncate,    /* truncate */
 
   unionfs_opendir,     /* opendir */
   unionfs_closedir,    /* closedir */

fs/userfs/fs_userfs.c

@@ -160,12 +160,12 @@ const struct mountpt_operations userfs_operations =
   userfs_write,      /* write */
   userfs_seek,       /* seek */
   userfs_ioctl,      /* ioctl */
+  userfs_truncate,   /* truncate */
 
   userfs_sync,       /* sync */
   userfs_dup,        /* dup */
   userfs_fstat,      /* fstat */
   userfs_fchstat,    /* fchstat */
-  userfs_truncate,   /* truncate */
 
   userfs_opendir,    /* opendir */
   userfs_closedir,   /* closedir */

fs/vfs/fs_epoll.c

@@ -104,6 +104,7 @@ static const struct file_operations g_epoll_ops =
   NULL,             /* write */
   NULL,             /* seek */
   NULL,             /* ioctl */
+  NULL,             /* truncate */
   epoll_do_poll     /* poll */
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   , NULL            /* unlink */