linux-ext4 - Re: [PATCH 17/19] jbd2: Rename h_buffer_credits to h_total

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Message-ID: <20191003132909.GC3226@mit.edu>
Date:   Thu, 3 Oct 2019 09:29:09 -0400
From:   "Theodore Y. Ts'o" <tytso@....edu>
To:     Jan Kara <jack@...e.cz>
Cc:     linux-ext4@...r.kernel.org
Subject: Re: [PATCH 17/19] jbd2: Rename h_buffer_credits to h_total_credits

On Thu, Oct 03, 2019 at 10:33:16AM +0200, Jan Kara wrote:
> 
> I'm not yet sure about some failures in ext4/adv and ext4/bigalloc configs.
> Where can I find what mkfs & mount options do you use for these? I've
> looked at xfstests-bld but I didn't find the configs there... Thanks!

The configs are in [1] the mount options for adv and bigalloc are in
[2] and [3], respectively.

[1] https://github.com/tytso/xfstests-bld/blob/master/kvm-xfstests/test-appliance/files/root/fs
[2] https://github.com/tytso/xfstests-bld/blob/master/kvm-xfstests/test-appliance/files/root/fs/ext4/cfg/adv
[3] https://github.com/tytso/xfstests-bld/blob/master/kvm-xfstests/test-appliance/files/root/fs/ext4/cfg/bigalloc

It shouldn't be terribly difficult for you to use kvm-xfstests on
SuSE, if you just want to try using the test appliance directly.  I'm
happy to update the documentation to include the necessary SuSE
packages needed to run kvm-xfstests; it shouldn't be that hard to
translate them from the Debian prerequisites to SuSE package names.
See [4] for details.

[4] https://github.com/tytso/xfstests-bld/blob/master/Documentation/kvm-quickstart.md

Note: if you want to run tests manually (which can be handy if you
want to try tweaking the tests, just do this:

% kvm-xfstests shell
...
root@...-xfstests:~# FSTESTSET=ext4/301
root@...-xfstests:~# FSTESTCFG=adv
root@...-xfstests:~# ./runtests.sh

The xfstests installation is in /root/xfstests.  Other valid settings
for FSTESTCFG include: ext4/adv, ext4/all, btrfs/default, btrfs, xfs,
nfs, nfs/loopback_v3, and so on.  See [1] for other fs configs that
you can use for testing.

Cheers,

							- Ted