On Thu, Dec 12, 2019, Sergei Shtylyov wrote: > As you can see, the deleted file is back after unmount/re-mount... Did you do a 'sync' before you unmounted? With the RZ/A2M EVB: Welcome to Buildroot buildroot login: root $ mount /dev/mtdblock3 -t jffs2 /mnt $ ls -l /mnt total 688 -rwsr-xr-x 1 root root 703448 Oct 31 09:08 busybox -rw-r--r-- 1 root root 6 Oct 31 09:07 hello.txt $ rm hello.txt $ sync $ umount /mnt $ $ $ mount /dev/mtdblock3 -t jffs2 /mnt $ ls -l /mnt total 687 -rwsr-xr-x 1 root root 703448 Oct 31 09:08 busybox Note that I also needed this patch in my tree. https://patchwork.ozlabs.org/patch/1202314/ Chris