Centura help

[SkateTrash420]

ive got a samsung galaxy centura that ive been trying to add mountpoints to proc/mounts however i cant seem to get to do so...i am rooted...ive also tried taking the pre existing mount points and making them rw however im getting a syntax error maybe someone can help heres what ive got so far

busybox mount -o remount,rw rootfs / rootfs ro,relatime 0 0

busybox mount -o remount,rw tmpfs /dev tmpfs rw,nosuid,relatime,mode=755 0 0

busybox mount -o remount,rw devpts /dev/pts devpts rw,relatime,mode=600 0 0

busybox mount -o remount,rw proc /proc proc rw,relatime 0 0

busybox mount -o remount,rw sysfs /sys sysfs rw,relatime 0 0

busybox mount -o remount,rw none /acct cgroup rw,relatime,cpuacct 0 0

busybox mount -o remount,rw tmpfs /mnt/asec tmpfs rw,relatime,mode=755,gid=1000 0 0

busybox mount -o remount,rw tmpfs /mnt/obb tmpfs rw,relatime,mode=755,gid=1000 0 0

busybox mount -o remount,rw none /dev/cpuctl cgroup rw,relatime,cpu 0 0

busybox mount -o remount,rw /dev/block/mmcblk0p16 /system ext4 rw,relatime,user_xattr,barrier=0,data=ordered,noauto_da_alloc 0 0

busybox mount -o remount,rw /dev/block/mmcblk0p18 /data ext4 rw,nosuid,nodev,noatime,nodiratime,user_xattr,barrier=0,data=ordered,noauto_da_alloc,discard 0 0

busybox mount -o remount,rw /dev/block/mmcblk0p17 /cache ext4 rw,nosuid,nodev,relatime,user_xattr,barrier=1,data=ordered 0 0

busybox mount -o remount,rw /dev/block/mmcblk0p19 /efs ext4 rw,nosuid,nodev,relatime,user_xattr,barrier=1,data=ordered 0 0

busybox mount -o remount,rw /dev/fuse /mnt/sdcard fuse rw,nosuid,nodev,relatime,user_id=1023,group_id=1023,default_permissions,allow_other 0 0

busybox mount -o remount rw /dev/block/vold/179:34 /data/sdext2 ext4 rw,relatime,user_xattr,barrier=1,data=ordered 0 0

busybox mount -o remount,rw /dev/block/vold/179:33 /mnt/extSdCard vfat rw,dirsync,nosuid,nodev,noexec,noatime,nodiratime,uid=1000,gid=1023,fmask=0002,dmask=0002,allow_utime=0020,codepage=cp437,iocharset=iso8859-1,shortname=mixed,utf8,errors=remount-ro,discard 0 0

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id like to add my dev/blocks in there but again i get permission denied even after making the root rw by using these commands
busybox mount -o remount,rw ./
busybox chmod 0777 ./

dev blocks id like to add
loop0
loop1
loop2
loop3
loop4
loop5
loop6
loop7
mmcblk0
mmcblk0p1
mmcblk0p10
mmcblk0p11
mmcblk0p12
mmcblk0p13
mmcblk0p14
mmcblk0p15
mmcblk0p16
mmcblk0p17
mmcblk0p18
mmcblk0p19
mmcblk0p2
mmcblk0p20
mmcblk0p21