Re: [PATCH] ext4: Do not reserve clusters when fs doesn't support extents

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Hi Jan,

On Thu, Nov 28, 2013 at 12:42 PM, Jan Kara <jack@xxxxxxx> wrote:
> When filesystem doesn't support extents (like in ext2/3 compatibility
> modes), there is no need to reserve any clusters. Space estimates for
> writing are exact, hole punching doesn't need new metadata, and there
> are no unwritten extents to convert.
>
> This fixes a problem when filesystem still having some free space when
> accessed with a native ext2/3 driver suddently reports ENOSPC when
> accessed with ext4 driver.

Thanks, fixed!

> Reported-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
> CC: Lukas Czerner <lczerner@xxxxxxxxxx>
> Signed-off-by: Jan Kara <jack@xxxxxxx>

Tested-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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