Re: [PATCH] xfsprogs: Don't ever try to set the device blocksize in repair

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On Mon, 2011-02-21 at 13:06 -0600, Eric Sandeen wrote:
> On 4k devices, we get this warning from repair:
> 
> # xfs_repair /dev/sdc2
> xfs_repair: warning - cannot set blocksize 512 on block device /dev/sdc2: Invalid argument
> Phase 1 - find and verify superblock...
> ...
> 
> but things proceed without trouble after that.
> 
> I'm unable to find any history or reason for setting the
> device blocksize at the beginning of repair, and in any case,
> things clearly work without doing so.  So, let's just remove it.
> 
> Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxx>
> ---

On Linux anyway, the way it's used here is pretty
pointless anyway.  It passes either 0 or 1, which
means either don't set it (if "living dangerously")
or do set it, to the minimum XFS sector size, 512
bytes.  Hence it'll screw up on > 512-byte sector
devices.

If there was a reason for setting it, it should
do so by setting it to the device's logical block
size rather than assuming 512.

But I don't see a reason to set it either, so the
change looks good to me.

Reviewed-by: Alex Elder <aelder@xxxxxxx>



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