Messages in this thread | | | Date | Mon, 31 Aug 2009 16:59:55 +0400 | From | Michael Tokarev <> | Subject | Re: xfs compat_ioctl? |
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Mark Lord wrote: > Christoph Hellwig wrote: >> On Mon, Aug 31, 2009 at 11:02:51AM +0400, Michael Tokarev wrote: >>> Hello! >>> >>> I tried to resize an xfs filesystem on 64bit 2.6.30 kernel >>> using 32bit userland, and that does not work, in dmesg I see: >>> >>> ioctl32(xfs_growfs:24426): Unknown cmd fd(3) >>> cmd(400c586e){t:'X';sz:12} arg(ffa56df4) on /mnt >>> ioctl32(xfs_growfs:24427): Unknown cmd fd(3) >>> cmd(400c586e){t:'X';sz:12} arg(ff991254) on /mnt >>> >>> so apparently there's no compat_ioctl layer for these ioctls. >>> >>> Are there any plans to add these? :) >> >> Are you sure you're testing 2.6.30? The copat ioctls were added in >> 2.6.28. > > What command-line flags were you using, Michael ? > > I just tried a simple "xfs_growfs -d" here, and it worked fine. > This is 2.6.31-rc7-64bit on top of a 32-bit userland.
Damn. I rebooted to 2.6.27 to test something unrelated, forgot about it, and later tried xfs_growfs -d, which failed as per above.
And yes indeed, in 2.6.30 everything works as expected.
Please excuse me for the noise.
/mjt
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