[Paid Software Announcement and Discussion] Namelesswonder:
Ok, here is with the phone in Android:

rootfs / rootfs ro,relatime 0 0

tmpfs /dev tmpfs rw,seclabel,nosuid,relatime,size=1443228k,nr_inodes=126670,mode=755 0 0

devpts /dev/pts devpts rw,seclabel,relatime,mode=600 0 0

proc /proc proc rw,relatime 0 0

sysfs /sys sysfs rw,seclabel,relatime 0 0

selinuxfs /sys/fs/selinux selinuxfs rw,relatime 0 0

debugfs /sys/kernel/debug debugfs rw,relatime 0 0

none /acct cgroup rw,relatime,cpuacct 0 0

none /sys/fs/cgroup tmpfs rw,seclabel,relatime,size=1443228k,nr_inodes=126670,mode=750,gid=1000 0 0

tmpfs /mnt/secure tmpfs rw,seclabel,relatime,size=1443228k,nr_inodes=126670,mode=700 0 0

tmpfs /mnt/asec tmpfs rw,seclabel,relatime,size=1443228k,nr_inodes=126670,mode=755,gid=1000 0 0

tmpfs /mnt/obb tmpfs rw,seclabel,relatime,size=1443228k,nr_inodes=126670,mode=755,gid=1000 0 0

none /dev/cpuctl cgroup rw,relatime,cpu 0 0

/dev/block/platform/msm_sdcc.1/by-name/apnhlos /firmware vfat ro,context=u:object_r:firmware_file:s0,relatime,uid=1000,gid=1000,fmask=0337,dmask=0227,codepage=cp437,iocharset=iso8859-1,shortname=lower,errors=remount-ro 0 0

/dev/block/platform/msm_sdcc.1/by-name/modem /firmware-modem vfat ro,context=u:object_r:firmware_file:s0,relatime,uid=1000,gid=1000,fmask=0337,dmask=0227,codepage=cp437,iocharset=iso8859-1,shortname=lower,errors=remount-ro 0 0

/dev/block/platform/msm_sdcc.1/by-name/system /system ext4 ro,seclabel,relatime,data=ordered 0 0

/dev/block/platform/msm_sdcc.1/by-name/userdata /data ext4 rw,seclabel,nosuid,nodev,noatime,discard,journal_checksum,journal_async_commit,noauto_da_alloc,data=ordered 0 0

/dev/block/platform/msm_sdcc.1/by-name/cache /cache ext4 rw,seclabel,nosuid,nodev,noatime,discard,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,discard,journal_checksum,journal_async_commit,noauto_da_alloc,data=ordered 0 0

/dev/block/platform/msm_sdcc.1/by-name/efs /efs ext4 rw,seclabel,nosuid,nodev,noatime,discard,journal_checksum,journal_async_commit,noauto_da_alloc,data=ordered 0 0

/dev/block/platform/msm_sdcc.1/by-name/persdata /persdata/absolute ext4 rw,seclabel,nosuid,nodev,relatime,data=ordered 0 0

/data/knox/sdcard /mnt/shell/knox-emulated sdcardfs rw,seclabel,nosuid,nodev,relatime,uid=1000,gid=1000,derive=none 0 0

/data/media /mnt/shell/emulated sdcardfs rw,seclabel,nosuid,nodev,relatime,uid=1023,gid=1023,derive=legacy,reserved=20MB 0 0

/dev/block/vold/179:65 /mnt/media_rw/extSdCard exfat rw,dirsync,nosuid,nodev,noexec,noatime,nodiratime,uid=1023,gid=1023,fmask=0007,dmask=0007,allow_utime=0020,codepage=cp437,iocharset=utf8,namecase=0,errors=remount-ro 0 0

/dev/block/vold/179:65 /mnt/secure/asec exfat rw,dirsync,nosuid,nodev,noexec,noatime,nodiratime,uid=1023,gid=1023,fmask=0007,dmask=0007,allow_utime=0020,codepage=cp437,iocharset=utf8,namecase=0,errors=remount-ro 0 0

/mnt/media_rw/extSdCard /storage/extSdCard sdcardfs rw,seclabel,nosuid,nodev,relatime,uid=1023,gid=1023,derive=unified 0 0

And here is when it is in FlashFire stuck trying to flash SuperSU:

rootfs / rootfs rw,relatime 0 0

tmpfs /dev tmpfs rw,seclabel,nosuid,relatime,size=1443228k,nr_inodes=126670,mode=755 0 0

devpts /dev/pts devpts rw,seclabel,relatime,mode=600 0 0

proc /proc proc rw,relatime 0 0

sysfs /sys sysfs rw,seclabel,relatime 0 0

selinuxfs /sys/fs/selinux selinuxfs rw,relatime 0 0

debugfs /sys/kernel/debug debugfs rw,relatime 0 0

none /acct cgroup rw,relatime,cpuacct 0 0

none /sys/fs/cgroup tmpfs rw,seclabel,relatime,size=1443228k,nr_inodes=126670,mode=750,gid=1000 0 0

tmpfs /mnt/secure tmpfs rw,seclabel,relatime,size=1443228k,nr_inodes=126670,mode=700 0 0

tmpfs /mnt/asec tmpfs rw,seclabel,relatime,size=1443228k,nr_inodes=126670,mode=755,gid=1000 0 0

tmpfs /mnt/obb tmpfs rw,seclabel,relatime,size=1443228k,nr_inodes=126670,mode=755,gid=1000 0 0

none /dev/cpuctl cgroup rw,relatime,cpu 0 0

/dev/block/platform/msm_sdcc.1/by-name/userdata /data ext4 rw,seclabel,relatime,discard,journal_checksum,journal_async_commit,noauto_da_alloc,data=ordered 0 0

/dev/block/platform/msm_sdcc.1/by-name/efs /efs ext4 rw,seclabel,nosuid,nodev,noatime,discard,journal_checksum,journal_async_commit,noauto_da_alloc,data=ordered 0 0

/dev/block/vold/179:65 /mnt/media_rw/extSdCard exfat rw,dirsync,nosuid,nodev,noexec,noatime,nodiratime,uid=1023,gid=1023,fmask=0007,dmask=0007,allow_utime=0020,codepage=cp437,iocharset=utf8,namecase=0,errors=remount-ro 0 0

/dev/block/vold/179:65 /mnt/secure/asec exfat rw,dirsync,nosuid,nodev,noexec,noatime,nodiratime,uid=1023,gid=1023,fmask=0007,dmask=0007,allow_utime=0020,codepage=cp437,iocharset=utf8,namecase=0,errors=remount-ro 0 0

tmpfs /system_ram tmpfs rw,seclabel,relatime,size=753664k 0 0

tmpfs /cache_ram tmpfs rw,seclabel,relatime,size=32768k 0 0

tmpfs /system tmpfs rw,seclabel,relatime,size=753664k 0 0

tmpfs /cache tmpfs rw,seclabel,relatime,size=32768k 0 0

/data/media /mnt/shell/emulated sdcardfs rw,seclabel,nosuid,nodev,relatime,uid=1023,gid=1023,derive=legacy,reserved=20MB 0 0

tmpfs /proc/sys/vm/drop_caches tmpfs rw,seclabel,nosuid,relatime,size=1443228k,nr_inodes=126670,mode=755 0 0

Edit: I just realized that you can run mount under root and you'll get some more information, here is the output of mount when ran as root. Sorry if it is a little mangled up, I couldn't redirect output to a textfile on Windows so had to do it on the device itself:

Android:

rootfs / rootfs ro,relatime 0 0
tmpfs /dev tmpfs rw,seclabel,nosuid,relatime,size=1443228k,nr_inodes=126670,mode=755 0 0
devpts /dev/pts devpts rw,seclabel,relatime,mode=600 0 0
none /dev/cpuctl cgroup rw,relatime,cpu 0 0
proc /proc proc rw,relatime 0 0
sysfs /sys sysfs rw,seclabel,relatime 0 0
selinuxfs /sys/fs/selinux selinuxfs rw,relatime 0 0
debugfs /sys/kernel/debug debugfs rw,relatime 0 0
none /sys/fs/cgroup tmpfs rw,seclabel,relatime,size=1443228k,nr_inodes=126670,mode=750,gid=1000 0 0
none /acct cgroup rw,relatime,cpuacct 0 0
tmpfs /mnt/secure tmpfs rw,seclabel,relatime,size=1443228k,nr_inodes=126670,mode=700 0 0
tmpfs /mnt/asec tmpfs rw,seclabel,relatime,size=1443228k,nr_inodes=126670,mode=755,gid=1000 0 0
tmpfs /mnt/obb tmpfs rw,seclabel,relatime,size=1443228k,nr_inodes=126670,mode=755,gid=1000 0 0
/dev/block/platform/msm_sdcc.1/by-name/apnhlos /firmware vfat ro,context=u:object_r:firmware_file:s0,relatime,uid=1000,gid=1000,fmask=0337,dmask=0227,codepage=cp437,iocharset=iso8859-1,shortname=lower,errors=remount-ro 0 0
/dev/block/platform/msm_sdcc.1/by-name/modem /firmware-modem vfat ro,context=u:object_r:firmware_file:s0,relatime,uid=1000,gid=1000,fmask=0337,dmask=0227,codepage=cp437,iocharset=iso8859-1,shortname=lower,errors=remount-ro 0 0
/dev/block/platform/msm_sdcc.1/by-name/system /system ext4 ro,seclabel,relatime,data=ordered 0 0
/dev/block/platform/msm_sdcc.1/by-name/userdata /data ext4 rw,seclabel,nosuid,nodev,noatime,discard,journal_checksum,journal_async_commit,noauto_da_alloc,data=ordered 0 0
/dev/block/platform/msm_sdcc.1/by-name/cache /cache ext4 rw,seclabel,nosuid,nodev,noatime,discard,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,discard,journal_checksum,journal_async_commit,noauto_da_alloc,data=ordered 0 0
/dev/block/platform/msm_sdcc.1/by-name/efs /efs ext4 rw,seclabel,nosuid,nodev,noatime,discard,journal_checksum,journal_async_commit,noauto_da_alloc,data=ordered 0 0
/dev/block/platform/msm_sdcc.1/by-name/persdata /persdata/absolute ext4 rw,seclabel,nosuid,nodev,relatime,data=ordered 0 0
/data/knox/sdcard /mnt/shell/knox-emulated sdcardfs rw,seclabel,nosuid,nodev,relatime,uid=1000,gid=1000,derive=none 0 0
/data/media /mnt/shell/emulated sdcardfs rw,seclabel,nosuid,nodev,relatime,uid=1023,gid=1023,derive=legacy,reserved=20MB 0 0
tmpfs /storage/emulated tmpfs rw,seclabel,nosuid,nodev,relatime,size=1443228k,nr_inodes=126670,mode=050,gid=1028 0 0
/dev/block/vold/179:65 /mnt/media_rw/extSdCard exfat rw,dirsync,nosuid,nodev,noexec,noatime,nodiratime,uid=1023,gid=1023,fmask=0007,dmask=0007,allow_utime=0020,codepage=cp437,iocharset=utf8,namecase=0,errors=remount-ro 0 0
/mnt/media_rw/extSdCard /storage/extSdCard sdcardfs rw,seclabel,nosuid,nodev,relatime,uid=1023,gid=1023,derive=unified 0 0
/data/media /storage/emulated/0 sdcardfs rw,seclabel,nosuid,nodev,relatime,uid=1023,gid=1023,derive=legacy,reserved=20MB 0 0
/data/media /storage/emulated/0/Android/obb sdcardfs rw,seclabel,nosuid,nodev,relatime,uid=1023,gid=1023,derive=legacy,reserved=20MB 0 0
/data/media /storage/emulated/legacy sdcardfs rw,seclabel,nosuid,nodev,relatime,uid=1023,gid=1023,derive=legacy,reserved=20MB 0 0
/data/media /storage/emulated/legacy/Android/obb sdcardfs rw,seclabel,nosuid,nodev,relatime,uid=1023,gid=1023,derive=legacy,reserved=20MB 0 0

And FlashFire when stuck:

rootfs on / type rootfs (rw,relatime)
tmpfs on /dev type tmpfs (rw,seclabel,nosuid,relatime,size=1443228k,nr_inodes=126670,mode=755)
devpts on /dev/pts type devpts (rw,seclabel,relatime,mode=600)
none on /dev/cpuctl type cgroup (rw,relatime,cpu)
proc on /proc type proc (rw,relatime)
tmpfs on /proc/sys/vm/drop_caches type tmpfs (rw,seclabel,nosuid,relatime,size=1443228k,nr_inodes=126670,mode=755)
sysfs on /sys type sysfs (rw,seclabel,relatime)
selinuxfs on /sys/fs/selinux type selinuxfs (rw,relatime)
debugfs on /sys/kernel/debug type debugfs (rw,relatime)
none on /sys/fs/cgroup type tmpfs (rw,seclabel,relatime,size=1443228k,nr_inodes=126670,mode=750,gid=1000)
none on /acct type cgroup (rw,relatime,cpuacct)
tmpfs on /mnt/secure type tmpfs (rw,seclabel,relatime,size=1443228k,nr_inodes=126670,mode=700)
/dev/block/vold/179:65 on /mnt/secure/asec type exfat (rw,dirsync,nosuid,nodev,noexec,noatime,nodiratime,uid=1023,gid=1023,fmask=0007,dmask=0007,allow_utime=0020,codepage=cp437,iocharset=utf8,namecase=0,errors=remount-ro)
tmpfs on /mnt/asec type tmpfs (rw,seclabel,relatime,size=1443228k,nr_inodes=126670,mode=755,gid=1000)
tmpfs on /mnt/obb type tmpfs (rw,seclabel,relatime,size=1443228k,nr_inodes=126670,mode=755,gid=1000)
/dev/block/platform/msm_sdcc.1/by-name/userdata on /data type ext4 (rw,seclabel,relatime,discard,journal_checksum,journal_async_commit,noauto_da_alloc,data=ordered)
/dev/block/platform/msm_sdcc.1/by-name/efs on /efs type ext4 (rw,seclabel,nosuid,nodev,noatime,discard,journal_checksum,journal_async_commit,noauto_da_alloc,data=ordered)
/dev/block/vold/179:65 on /mnt/media_rw/extSdCard type exfat (rw,dirsync,nosuid,nodev,noexec,noatime,nodiratime,uid=1023,gid=1023,fmask=0007,dmask=0007,allow_utime=0020,codepage=cp437,iocharset=utf8,namecase=0,errors=remount-ro)
tmpfs on /system_ram type tmpfs (rw,seclabel,relatime,size=753664k)
tmpfs on /cache_ram type tmpfs (rw,seclabel,relatime,size=32768k)
tmpfs on /system type tmpfs (rw,seclabel,relatime,size=753664k)
tmpfs on /cache type tmpfs (rw,seclabel,relatime,size=32768k)
/data/media on /mnt/shell/emulated type sdcardfs (rw,seclabel,nosuid,nodev,relatime,uid=1023,gid=1023,derive=legacy,reserved=20MB)
tmpfs on /storage/emulated type tmpfs (rw,seclabel,nosuid,nodev,relatime,mode=050,gid=1028)
/data/media on /storage/emulated/0 type sdcardfs (rw,seclabel,nosuid,nodev,relatime,uid=1023,gid=1023,derive=legacy,reserved=20MB)
/data/media on /storage/emulated/0/Android/obb type sdcardfs (rw,seclabel,nosuid,nodev,relatime,uid=1023,gid=1023,derive=legacy,reserved=20MB)
/data/media on /storage/emulated/legacy type sdcardfs (rw,seclabel,nosuid,nodev,relatime,uid=1023,gid=1023,derive=legacy,reserved=20MB)
/data/media on /storage/emulated/legacy/Android/obb type sdcardfs (rw,seclabel,nosuid,nodev,relatime,uid=1023,gid=1023,derive=legacy,reserved=20MB)