root@OpenWrt:~# uci show fstab
fstab.@global[0]=global
fstab.@global[0].anon_swap=0
fstab.@global[0].anon_mount=1
fstab.@global[0].auto_swap=1
fstab.@global[0].auto_mount=1
fstab.@global[0].delay_root=5
fstab.@global[0].check_fs=0
fstab.@mount[0]=mount
fstab.@mount[0].enabled=1
fstab.@mount[0].device=/dev/sda1
fstab.@mount[0].fstype=ext4
fstab.@mount[0].is_rootfs=1
root@OpenWrt:~# mount
rootfs on / type rootfs (rw)
/dev/root on /rom type squashfs (ro,relatime)
proc on /proc type proc (rw,noatime)
sysfs on /sys type sysfs (rw,noatime)
tmpfs on /tmp type tmpfs (rw,nosuid,nodev,noatime)
/dev/mtdblock3 on /overlay type jffs2 (rw,noatime)
overlayfs:/overlay on / type overlayfs (rw,noatime,lowerdir=/,upperdir=/overlay)
tmpfs on /dev type tmpfs (rw,relatime,size=512k,mode=755)
devpts on /dev/pts type devpts (rw,relatime,mode=600)
debugfs on /sys/kernel/debug type debugfs (rw,noatime)
none on /lib/firmware/lantiq type tmpfs (rw,relatime)
/dev/mtdblock4 on /mnt/mtdblock4 type jffs2 (rw,relatime)
/dev/sda1 on /mnt/sda1 type ext4 (rw,relatime,data=ordered)