[lustre-devel] [EXTERNAL] mke2fs supported features: dirdata

[Patrick Farrell]

It's not so much "requires some patches" as "we maintain our own altered version".  The source for it is available here and it's pretty straightforward to build - since those prebuilt options may not work for your case:

git://git.whamcloud.com/tools/e2fsprogs

Regards,
Patrick
________________________________
From: lustre-devel <lustre-devel-bounces at lists.lustre.org> on behalf of Mohr, Rick <mohrrf at ornl.gov>
Sent: Tuesday, November 12, 2024 3:45 PM
To: Else Someone <else at someonex.net>; lustre-devel at lists.lustre.org <lustre-devel at lists.lustre.org>
Subject: Re: [lustre-devel] [EXTERNAL] mke2fs supported features: dirdata

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E2fsprogs does require some patches.  Whamcloud's site has patched versions available for download:

https://downloads.whamcloud.com/public/e2fsprogs/

--Rick


On 11/9/24, 8:09 PM, "lustre-devel on behalf of Else Someone" <lustre-devel-bounces at lists.lustre.org <mailto:lustre-devel-bounces at lists.lustre.org> on behalf of else at someonex.net <mailto:else at someonex.net>> wrote:


Hello again! I posted here earlier about my attempts at building Lustre
with Nix. There was another issue I was struggling with, related to
e2fsprogs, that I thought I should ask here if I was supposed to patch
it too?




My mkfs.lustre (ldiskfs) is failing with mke2fs complaining about an
"incompatible option set". Specifically it's complaining about the
option `dirdata`. Looking at e2fsprogs' sources,
`EXT4_FEATURE_INCOMPAT_DIRDATA` isn't listed in `ok_features` in
`misc/mke2fs.c`. Even if I add it there, mke2fs fails later at
`ext2fs_initialize`. I was surprised not to find any error reports in
jira concerning dirdata specifically (there were similar errors reported
for e.g. large_dir), surely I must be doing something wrong.




Do I have to patch e2fsprogs?




Do tell me if I'm being too noisy or if there's a better channel for
this sort of questions. I actually have a few more, should I ask each in
a separate thread or should I aggregate all under one SUBJECT?




Thanks


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