Openwrt TF Card Auto Mount&Check (4)
1 Scope of Document
This document describes tf card bootup auto do file system check when mount tf card
2 Requiremen
2.1 Function Requirement
Auto do fsch and mount tf card.
2.2 Performance Requirement
NA
3 Hardware Overview
NA
4 Functional Description
4.1 Functional Block Diagram
NA
5 Porting
5.1 Kernel configure
CONFIG_TARGET_ramips=y
CONFIG_TARGET_ramips_mt7628=y
CONFIG_TARGET_ramips_mt7628_Default=y
CONFIG_BUSYBOX_CUSTOM=y
CONFIG_BUSYBOX_CONFIG_FDISK=y
CONFIG_BUSYBOX_CONFIG_FEATURE_AIX_LABEL=y
CONFIG_BUSYBOX_CONFIG_FEATURE_FDISK_ADVANCED=y
CONFIG_BUSYBOX_CONFIG_FEATURE_FDISK_WRITABLE=y
CONFIG_BUSYBOX_CONFIG_FEATURE_GPT_LABEL=y
CONFIG_BUSYBOX_CONFIG_FEATURE_OSF_LABEL=y
CONFIG_BUSYBOX_CONFIG_FEATURE_SGI_LABEL=y
CONFIG_BUSYBOX_CONFIG_FEATURE_SUN_LABEL=y
CONFIG_BUSYBOX_CONFIG_MICROCOM=y
CONFIG_PACKAGE_block-mount=y
CONFIG_PACKAGE_chat=y
CONFIG_PACKAGE_comgt=y
CONFIG_PACKAGE_e2fsprogs=y
CONFIG_PACKAGE_kmod-crypto-core=y
CONFIG_PACKAGE_kmod-crypto-hash=y
CONFIG_PACKAGE_kmod-fs-ext4=y
CONFIG_PACKAGE_kmod-fs-vfat=y
CONFIG_PACKAGE_kmod-lib-crc16=y
CONFIG_PACKAGE_kmod-mmc=y
CONFIG_PACKAGE_kmod-nls-cp437=y
CONFIG_PACKAGE_kmod-nls-iso8859-1=y
CONFIG_PACKAGE_kmod-nls-utf8=y
CONFIG_PACKAGE_kmod-scsi-core=y
CONFIG_PACKAGE_kmod-scsi-generic=y
CONFIG_PACKAGE_kmod-sdhci=y
CONFIG_PACKAGE_kmod-sdhci-mt7620=y
CONFIG_PACKAGE_kmod-usb-serial=y
CONFIG_PACKAGE_kmod-usb-serial-option=y
CONFIG_PACKAGE_kmod-usb-serial-wwan=y
CONFIG_PACKAGE_libext2fs=y
CONFIG_PACKAGE_libuuid=y
CONFIG_PACKAGE_luci-proto-3g=y
[ 5.140000] MTK MSDC device init.
[ 5.180000] mtk-sd: MediaTek MT6575 MSDC Driver
[ 5.180000] sdhci: Secure Digital Host Controller Interface driver
[ 5.180000] sdhci: Copyright(c) Pierre Ossman
[ 5.180000] sdhci-pltfm: SDHCI platform and OF driver helper
[ 5.290000] mmc0: new high speed SDHC card at address 0007
[ 5.290000] mmcblk mmc0:0007: no of_node; not parsing pinctrl DT
[ 5.290000] mmcblk0: mmc0:0007 SD16G 14.5 GiB
[ 5.300000] mmcblk0: p1
5.2 System configure
Reference: https://openwrt.org/docs/techref/block_ mount?s[]=auto&s[]=mount
root@OpenWrt:~# cat /etc/config/fstab
config global
option anon_swap '0'
option anon_mount '0'
option auto_swap '1'
option auto_mount '1'
option delay_root '5'
option check_fs '0'
config mount
option target '/mnt/'
option device '/dev/mmcblk0p1'
option enabled '1'
option enabled_fsck '1'
Create patch for auto mount tfcard and do fsck when mount tf card.
Trunk/package/system/fstools/patches/001-support-auto-mount-and-fsck-tf-card.patch
@@ -542,6 +542,7 @@ static int print_block_info(struct blkid
return 0;
}
+#if 0
static int print_block_uci(struct blkid_struct_probe *pr)
{
if (!strcmp(pr->id->name, "swap")) {
@@ -558,6 +559,7 @@ static int print_block_uci(struct blkid_
return 0;
}
+#endif
static struct blkid_struct_probe* find_block_info(char *uuid, char *label, char *path)
{
@@ -1230,9 +1232,9 @@ static int main_umount(int argc, char **
static int main_detect(int argc, char **argv)
{
- struct blkid_struct_probe *pr;
+ //struct blkid_struct_probe *pr;
- cache_load(0);
+ //cache_load(0);
printf("config 'global'\n");
printf("\toption\tanon_swap\t'0'\n");
printf("\toption\tanon_mount\t'0'\n");
@@ -1240,8 +1242,13 @@ static int main_detect(int argc, char **
printf("\toption\tauto_mount\t'1'\n");
printf("\toption\tdelay_root\t'5'\n");
printf("\toption\tcheck_fs\t'0'\n\n");
- list_for_each_entry(pr, &devices, list)
- print_block_uci(pr);
+ //list_for_each_entry(pr, &devices, list)
+ // print_block_uci(pr);
+ printf("config 'mount'\n");
+ printf("\toption\ttarget\t'/mnt/'\n");
+ printf("\toption\tdevice\t'%s'\n", "/dev/mmcblk0p1");
+ printf("\toption\tenabled\t'1'\n");
+ printf("\toption\tenable_fsck\t'1'\n\n");
return 0;
}
Equivalently add follow option in /etc/config/fstab
option target /mnt/ à set mount point
option device /dev/mmcblk0p1 à set tf card device interface
option enabled 1 -> default enable auto mount function
option enable_fsck 1 à default enable fsck function
