[SuperSU] Artieza:
I want to bring logs. Firstly, with SuperSU 2.65.

mount: Device or resource busy
rootfs / rootfs ro,noatime,nodiratime 0 0
tmpfs /dev tmpfs rw,seclabel,nosuid,noatime,nodiratime,mode=755 0 0
devpts /dev/pts devpts rw,seclabel,noatime,nodiratime,mode=600 0 0
proc /proc proc rw,noatime,nodiratime 0 0
sysfs /sys sysfs rw,seclabel,noatime,nodiratime 0 0
selinuxfs /sys/fs/selinux selinuxfs rw,noatime,nodiratime 0 0
debugfs /sys/kernel/debug debugfs rw,noatime,nodiratime 0 0
none /acct cgroup rw,noatime,nodiratime,cpuacct 0 0
none /sys/fs/cgroup tmpfs rw,seclabel,noatime,nodiratime,mode=750,gid=1000 0 0
tmpfs /mnt/asec tmpfs rw,seclabel,noatime,nodiratime,mode=755,gid=1000 0 0
tmpfs /mnt/obb tmpfs rw,seclabel,noatime,nodiratime,mode=755,gid=1000 0 0
none /dev/cpuctl cgroup rw,noatime,nodiratime,cpu 0 0
/dev/block/platform/msm_sdcc.1/by-name/system /system ext4 ro,seclabel,noatime,nodiratime,discard,data=ordered 0 0
/dev/block/platform/msm_sdcc.1/by-name/userdata /data ext4 rw,seclabel,nosuid,nodev,noatime,nodiratime,discard,noauto_da_alloc,resuid=1000,data=ordered 0 0
/dev/block/platform/msm_sdcc.1/by-name/cache /cache ext4 rw,seclabel,nosuid,nodev,noatime,nodiratime,journal_checksum,journal_async_commit,noauto_da_alloc,errors=panic,data=ordered 0 0
/dev/block/platform/msm_sdcc.1/by-name/persist /persist ext4 rw,seclabel,nosuid,nodev,noatime,nodiratime,data=ordered 0 0
/dev/block/platform/msm_sdcc.1/by-name/modem /firmware vfat ro,noatime,nodiratime,uid=1000,gid=1000,fmask=0337,dmask=0227,codepage=cp437,iocharset=iso8859-1,shortname=lower,errors=remount-ro 0 0
/dev/block/bootdevice/by-name/sns /sns ext4 rw,seclabel,nosuid,nodev,noatime,nodiratime,noauto_da_alloc,errors=continue,data=ordered 0 0
/dev/block/bootdevice/by-name/drm /persist-lg ext4 rw,seclabel,nosuid,nodev,noatime,nodiratime,noauto_da_alloc,errors=continue,data=ordered 0 0
/dev/block/bootdevice/by-name/mpt /mpt ext4 rw,seclabel,nosuid,nodev,noatime,nodiratime,noauto_da_alloc,errors=continue,data=ordered 0 0
/dev/block/platform/msm_sdcc.1/by-name/cust /cust ext4 ro,seclabel,nosuid,nodev,noatime,nodiratime,noauto_da_alloc,data=ordered 0 0
/dev/fuse /mnt/shell/emulated fuse rw,nosuid,nodev,noatime,nodiratime,user_id=1023,group_id=1023,default_permissions,allow_other 0 0
/dev/fuse /storage/emulated/legacy fuse rw,nosuid,nodev,noatime,nodiratime,user_id=1023,group_id=1023,default_permissions,allow_other 0 0
/dev/block/vold/179:66 /data/sdext2 ext4 rw,seclabel,noatime,nodiratime,data=ordered 0 0
Tue Nov 29 23:57:22 FET 2016 mount finished
debuggerd.bin launched

And now SuperSU 2.78 SR4.

mount: Permission denied
mount: Permission denied
rootfs / rootfs ro,noatime,nodiratime 0 0
tmpfs /dev tmpfs rw,seclabel,nosuid,noatime,nodiratime,mode=755 0 0
devpts /dev/pts devpts rw,seclabel,noatime,nodiratime,mode=600 0 0
proc /proc proc rw,noatime,nodiratime 0 0
sysfs /sys sysfs rw,seclabel,noatime,nodiratime 0 0
selinuxfs /sys/fs/selinux selinuxfs rw,noatime,nodiratime 0 0
debugfs /sys/kernel/debug debugfs rw,noatime,nodiratime 0 0
none /acct cgroup rw,noatime,nodiratime,cpuacct 0 0
none /sys/fs/cgroup tmpfs rw,seclabel,noatime,nodiratime,mode=750,gid=1000 0 0
tmpfs /mnt/asec tmpfs rw,seclabel,noatime,nodiratime,mode=755,gid=1000 0 0
tmpfs /mnt/obb tmpfs rw,seclabel,noatime,nodiratime,mode=755,gid=1000 0 0
none /dev/cpuctl cgroup rw,noatime,nodiratime,cpu 0 0
/dev/block/platform/msm_sdcc.1/by-name/system /system ext4 ro,seclabel,noatime,nodiratime,discard,data=ordered 0 0
/dev/block/platform/msm_sdcc.1/by-name/userdata /data ext4 rw,seclabel,nosuid,nodev,noatime,nodiratime,discard,noauto_da_alloc,resuid=1000,data=ordered 0 0
/dev/block/platform/msm_sdcc.1/by-name/cache /cache ext4 rw,seclabel,nosuid,nodev,noatime,nodiratime,journal_checksum,journal_async_commit,noauto_da_alloc,errors=panic,data=ordered 0 0
/dev/block/platform/msm_sdcc.1/by-name/persist /persist ext4 rw,seclabel,nosuid,nodev,noatime,nodiratime,data=ordered 0 0
/dev/block/platform/msm_sdcc.1/by-name/modem /firmware vfat ro,noatime,nodiratime,uid=1000,gid=1000,fmask=0337,dmask=0227,codepage=cp437,iocharset=iso8859-1,shortname=lower,errors=remount-ro 0 0
/dev/block/bootdevice/by-name/sns /sns ext4 rw,seclabel,nosuid,nodev,noatime,nodiratime,noauto_da_alloc,errors=continue,data=ordered 0 0
/dev/block/bootdevice/by-name/drm /persist-lg ext4 rw,seclabel,nosuid,nodev,noatime,nodiratime,noauto_da_alloc,errors=continue,data=ordered 0 0
/dev/block/bootdevice/by-name/mpt /mpt ext4 rw,seclabel,nosuid,nodev,noatime,nodiratime,noauto_da_alloc,errors=continue,data=ordered 0 0
/dev/block/platform/msm_sdcc.1/by-name/cust /cust ext4 ro,seclabel,nosuid,nodev,noatime,nodiratime,noauto_da_alloc,data=ordered 0 0
/dev/fuse /mnt/shell/emulated fuse rw,nosuid,nodev,noatime,nodiratime,user_id=1023,group_id=1023,default_permissions,allow_other 0 0
/dev/fuse /storage/emulated/legacy fuse rw,nosuid,nodev,noatime,nodiratime,user_id=1023,group_id=1023,default_permissions,allow_other 0 0
Tue Nov 29 23:45:06 FET 2016 mount finished
debuggerd.bin launched

Could someone assist? :confused:

P.S. That's what Link2SD do.

#!/system/bin/sh
#added by link2sd
LOG=/data/link2sd-11link2sd.log
set +e
echo "$(date) mounting..." > $LOG
sleep 2
mount -t ext4 -o rw /dev/block/vold/179:66 /data/sdext2 1>>$LOG 2>>$LOG

mount -t ext4 -o rw /dev/block/mmcblk1p2 /data/sdext2 1>>$LOG 2>>$LOG

mount >> $LOG
echo "$(date) mount finished" >> $LOG
chmod 773 /data/dalvik-cache