ACL - confused

There is a package called "acl" for manipulating ACL's, but there is no ACL support for ext4 in OpenWrt. I would like to have it for fine-tuning samba share permissions.

Advice, please!

root@owrt-vm:~# mount -o remount,acl /mnt/data

root@owrt-vm:~# dmesg | tail -n 2
[ 7563.152030] EXT4-fs (md0): acl option not supported
[ 7563.164731] EXT4-fs (md0): re-mounted. Opts: stripe=4,data=ordered,acl

root@owrt-vm:~# tune2fs -l /dev/md0 | grep acl
Default mount options:    user_xattr acl

root@owrt-vm:~# setfacl -m u:nobody:rwx /mnt/data/
setfacl: /mnt/data/: Not supported

ACL's are not enabled by default for OpenWrt builds. You need to do you own builds with the ACL kernel options enabled (it's kind of buried too IIRC).


Thank you for the info.
I think I can live without ACL's, I will arrange permissions by normal access controls.

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