Re: 32bit apps and inode64

[Jeff Liu <jeff.liu@oracle.com>]

Hi Ben,

On 02/16/2013 05:46 AM, Ben Myers wrote:
> Hi Stefan,
> 
> On Fri, Feb 15, 2013 at 04:06:40PM +0100, Stefan Priebe - Profihost AG wrote:
>> i've discovered some problems on a host with a disk > 1TB. We've some
>> binary 32bit applications which are not able to read some directory
>> anymore after we've formated and installed the system using vanilla
>> 3.7.7 kernel.
>>
>> Right now we're using 3.0.61 kernel on this host - so 64bit apps work
>> well and newly created files get 32bit inode numbers as inode64 is not
>> the default.
>>
>> Is there a way to find / get all 64bit inode files / dies and convert
>> them back to 32bit without a reinstall?
> 
> On IRIX you could use xfs_reno to renumber those inodes.
> http://techpubs.sgi.com/library/tpl/cgi-bin/getdoc.cgi?coll=0650&db=man&fname=/usr/share/catman/a_man/cat1/xfs_reno.z
> 
> xfs_reno was ported to linux in '07 and was most recently reposted by Jeff Liu:
> http://oss.sgi.com/archives/xfs/2012-11/msg00425.html
The old patch set was belong to the infrastructures of online shrinking
support.  Recently, I realized that I have made a few mistakes in swap
inodes ioctl(2) implementation when I revisit the old patch set at:
http://oss.sgi.com/archives/xfs/2012-11/msg00414.html

Since we have user request and this function is independent to the
shrinking feature, I'd like to work on it at first if you like it.


Thanks,
-Jeff

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