DD-WRT and ext4?

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TechieJustin
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Joined: 26 Jun 2010
Posts: 75
Location: Pennsylvania, USA

PostPosted: Wed Jun 29, 2016 0:35    Post subject: DD-WRT and ext4? Reply with quote
Does DD-WRT fully support ext4? I'm using a USB jump drive as an FTP/SMB server.

Buffalo WZR-1750DHP
Linux 4.4.13 #950 SMP Thu Jun 16 06:25:59 CEST 2016
DD-WRT v3.0-r29968M std (06/17/16)
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tou.manokat@gmail.com
DD-WRT User


Joined: 07 May 2016
Posts: 111

PostPosted: Wed Jun 29, 2016 1:12    Post subject: Re: DD-WRT and ext4? Reply with quote
You can check it yourself. Run this on your newer DD-WRT, Administration, Commands page:

ls /lib/modules/`uname -r`/ext4.ko

It should show you the location of the module ext4.ko.

In Older builds of DD-WRT, it would reside in

/lib/modules`uname -r`/kernel/fs/ex4/ext4.ko

Your DD-WRT is quite new a build, so it should support ext4 filesystem.

You can check with this too for all supported filesystems:

cat /proc/filesystems


TechieJustin wrote:
Does DD-WRT fully support ext4? I'm using a USB jump drive as an FTP/SMB server.

Buffalo WZR-1750DHP
Linux 4.4.13 #950 SMP Thu Jun 16 06:25:59 CEST 2016
DD-WRT v3.0-r29968M std (06/17/16)

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TechieJustin
DD-WRT User


Joined: 26 Jun 2010
Posts: 75
Location: Pennsylvania, USA

PostPosted: Wed Jun 29, 2016 22:18    Post subject: Re: DD-WRT and ext4? Reply with quote
tou.manokat@gmail.com wrote:
You can check it yourself. Run this on your newer DD-WRT, Administration, Commands page:

ls /lib/modules/`uname -r`/ext4.ko

It should show you the location of the module ext4.ko.

In Older builds of DD-WRT, it would reside in

/lib/modules`uname -r`/kernel/fs/ex4/ext4.ko

Your DD-WRT is quite new a build, so it should support ext4 filesystem.

You can check with this too for all supported filesystems:

cat /proc/filesystems



The first command worked;
Code:
/lib/modules/4.4.13/ext4.ko


but cat did not. It didn't give me an error, it tried to process it and never displayed anything. I'll format a USB drive when I get home and see what happens. Thanks!


EDIT: I noticed hfs.ko, hfsplus.ko and udf.ko are in there as well. Does that mean there's read only support for HFS+ and UDF?
tou.manokat@gmail.com
DD-WRT User


Joined: 07 May 2016
Posts: 111

PostPosted: Thu Jun 30, 2016 11:32    Post subject: Re: DD-WRT and ext4? Reply with quote
/proc/filesystems is a standard Linux file which is a part of procfs providing useful information on booted system. Viewing it via console or telnet/ssh session is preferred.

From an ssh session, viewing /proc/filesystems would show something like this:

root@DD-WRT:~# cat /proc/filesystems
nodev sysfs
nodev rootfs
nodev ramfs
nodev bdev
nodev proc
nodev tmpfs
nodev debugfs
nodev sockfs
nodev pipefs
nodev devpts
squashfs
nodev mtd_inodefs
nodev usbfs
ext3
ext2
ext4

Like most Linux systems, there is support for Apple's HFS+ and Adaptec's UDF optical media on DD-WRT via loadable modules. Without the userland binaries of hfsprogs (hfs+) and udftools however, the support is strictly read-only basis. DD-WRT linux distribution does not include those userspace binaries to support writing mode. I haven't checked optware stuff, who knows one has included those in the repositories.

It would give you more flexibility if you formated it NTFS, you could use the drive on windows OS as well.

TechieJustin wrote:
tou.manokat@gmail.com wrote:
You can check it yourself. Run this on your newer DD-WRT, Administration, Commands page:

ls /lib/modules/`uname -r`/ext4.ko

It should show you the location of the module ext4.ko.

In Older builds of DD-WRT, it would reside in

/lib/modules`uname -r`/kernel/fs/ex4/ext4.ko

Your DD-WRT is quite new a build, so it should support ext4 filesystem.

You can check with this too for all supported filesystems:

cat /proc/filesystems



The first command worked;
Code:
/lib/modules/4.4.13/ext4.ko


but cat did not. It didn't give me an error, it tried to process it and never displayed anything. I'll format a USB drive when I get home and see what happens. Thanks!


EDIT: I noticed hfs.ko, hfsplus.ko and udf.ko are in there as well. Does that mean there's read only support for HFS+ and UDF?

_________________
Linksys 54G v2
Linksys 54G v6
Linksys 54GS v6
Linksys 120N
Linksys Valet-M10 Tomato v132
Linksys Valet-M20 Tomato V132
Netgear WNR3400 Advanced Tomato
Netgear WNR3400 Advanced Tomato
TRENDNet TEW-632BRP DD-WRT r22118
TRENDNet TEW-632BRP DD-WRT r22118
Buffalo G300NH DD-WRT r22118
TPLINK WNDR1043ND DD-WRT r22118
TPLINK WNDR1042ND Stock
TPLINK WNDR841ND r22118
DLINK DIR-835 A1 r22118
DLINK DIR-835 A1 r22118
DLINK DIR-835 A1 r22118
DLINK DIR-501 Stock firmware
DLINK WBR-2310 Stock firmware
Linksys E3000 Shibby Tomato
Linksys E2500 Advanced Tomato
Netis WF-2404 Stock
Netis WF-2404 Stcck
Belkin N600 Extender (Bricked on its own)
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