Re: clone ioctl bug with inline extents

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On Tue, 9 Aug 2011, Sage Weil wrote:
> Hi all,
> 
> I'm hitting a problem cloning inline extents that I haven't had much 
> success tracking down.  It's simple enough to reproduce:
> 
>  echo 1111111111111111111111111111 > src
>  echo 2 > dst
>  clone_range src 0 29 dst 0
>  cmp src dst       # fails! dst is size 29 but contains "2\n\0\0\0\0..."

<facepalm>, ok, this was just a matter of the ioctl code not dropping the 
old page cache pages.  I'm not sure how we didn't notice that for so long!

sage
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