[Nexus 7 General] ronedogg:
This is my first guide so if I left something out please tell me.

I do not take any credit for any of this work. I just read in a thread how another user did it. I tried it and it worked.

This isn't nessassarily the right way to do this but this is what I did, and all don't from my nexus 7.

I've only tried it on slimkat. I'm going to be testing more ROMs today.

Thanks to

Legolas93

Slimroms.net

ryanrudolf

Things you will need:

A file explorer (I use solid explorer)

Zip app to extract and compress ( included in solid explorer)

Modified TWRP recovery from this post.

1. Download the latest weekly build of Slimkat. http://slimroms.net and extract the zip file to a folder.

2. Next either download the last build from legolass of slimkat here and extract it to its own folder or download attached boot.IMG and updater-script. (Only 2 files that I found that needed to be updated.)

3. If you just decided to download the attached files, extract the archive and inside you will find 2 files. Copy boot.IMG into the root of latest slimkat that you already extracted, overwriting when prompted. Next copy updater-script to./META-INF/Com/Google/android. overwriting when prompted.

If you didn't download the files from the post and choose to do this manually. Just follow above directions and get the files from the latest slimkat f2fs. Same directories.

4. Now its time to zip up the archive so we can flash it. Zip the files so the root of the archive is the same as the one you extracted. Meta-inf, system, Boot.IMG and file_contexts.

5. Flash in twrp.

B]

List of working roms.

[/B]

Liquid Smooth

Slimkat

CyanogenMod (with method below)

Tested but not fully working.

Paranoid

Method for CM By ryanrudolf

CM Nightly with All-F2FS (Unofficial Method)

1. download latest CM nightly (here is link for CM Nightly already modified for ALL-F2FS http://d-h.st/9By )

2. download faux025 kernel.zip

3. open CM nightly zipfile, extract the boot.img

4. open faux025 zipfile, extract the zImage

5. unpack the boot.img in step3

6. replace the zImage in step5 with faux025 zImage (step4)

7. replace fstab.grouper with this one -

# Android fstab file.

#<src> <mnt_point> <type> <mnt_flags> <fs_mgr_flags>

# The filesystem that contains the filesystem checker binary (typically /system) cannot

# specify MF_CHECK, and must come before any filesystems that do specify MF_CHECK

/dev/block/platform/sdhci-tegra.3/by-name/APP /system f2fs ro,noatime,nosuid,nodev,discard,nodiratime,inline_ xattr,errors=recover wait

/dev/block/platform/sdhci-tegra.3/by-name/CAC /cache f2fs noatime,nosuid,nodev,discard,nodiratime,inline_xat tr,errors=recover wait

/dev/block/platform/sdhci-tegra.3/by-name/UDA /data f2fs noatime,nosuid,nodev,discard,nodiratime,inline_xat tr,errors=recover wait,nonremovable,encryptable=/dev/block/platform/sdhci-tegra.3/by-name/MDA

/dev/block/platform/sdhci-tegra.3/by-name/MSC /misc emmc defaults defaults

/dev/block/platform/sdhci-tegra.3/by-name/LNX /boot emmc defaults defaults

/dev/block/platform/sdhci-tegra.3/by-name/SOS /recovery emmc defaults defaults

/dev/block/platform/sdhci-tegra.3/by-name/USP /staging emmc defaults defaults

/devices/platform/tegra-ehci auto vfat defaults voldmanaged=usbdisk:auto

8. repack boot.img. place it back in the CM nightly zipfile

9. on the CM nightly zipfile, edit updater script and look for these 3 lines -

mount("ext4", "EMMC", "/dev/block/platform/sdhci-tegra.3/by-name/APP", "/system");

replace it with

run_program("/sbin/busybox", "mount", "/system");

and these lines too -

format("ext4", "EMMC", "/dev/block/platform/sdhci-tegra.3/by-name/APP", "0", "/system");

mount("ext4", "EMMC", "/dev/block/platform/sdhci-tegra.3/by-name/APP", "/system");

replace with -

run_program("/sbin/mkfs.f2fs", "/dev/block/platform/sdhci-tegra.3/by-name/APP");

run_program("/sbin/busybox", "mount", "/system");

10. save the updater script and put it back to the zipfile. CM nightly zipfile is complete and ready for flashing.

11. flash modded twrp with f2fs support. also download the formatpartitions.zip (credits to legolas http://xdaforums.com/show....php?t=2678140)

12. boot to the modified twrp, flash the formatpartitions.zip. reboot back to recovery

13. flash the modified CM nightly zipfile

14. flash gapps.zip (i use slimroms minimal gapps)

15. Wipe > Format Data > yes

16. reboot

17. enjoy!

NOTE - everything is CM ramdisk, except for the fstab.grouper. If I use the original CM fstab.grouper and just edit to f2fs, it does not work.

Credits -

Legolas for the modified TWRP with F2FS

Faux for faux025 kernel with F2FS support

CM for the CM Nightlies

SlimRoms for the minimal gapps

[