linux-ext4 - Re: Writing large files into a ext4 with mkfs is truncating files

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Message-ID: <CAJTo0LYih0HK6o8MtxLxjES7sE=3OT9tuMzrUXLQ3uj_s7XNvA@mail.gmail.com>
Date:   Fri, 1 Feb 2019 11:08:12 +0000
From:   "Burton, Ross" <ross.burton@...el.com>
To:     linux-ext4 <linux-ext4@...r.kernel.org>
Subject: Re: Writing large files into a ext4 with mkfs is truncating files

Got a patch, posting now.

Ross

On Fri, 1 Feb 2019 at 09:44, Burton, Ross <ross.burton@...el.com> wrote:
>
> On Fri, 1 Feb 2019 at 00:14, Burton, Ross <ross.burton@...el.com> wrote:
> > $ cmp fs/foo  /mnt/foo
> > fs/foo /mnt/foo differ: byte 1073741825, line 4194938
> >
> > Okay that's not the 4GB boundary.
>
> $ bc
> obase=2
> 1073741825
> 1000000000000000000000000000001
>
> That's 2^30.  I'm guessing a signed type is used somewhere?
>
> Ross