On 11/22/2010 01:37 AM, Dave Chinner wrote:
> On Fri, Nov 19, 2010 at 08:38:49AM -0500, Christoph Hellwig wrote:
>> From: Samuel Kvasnica <samuel.kvasnica@xxxxxxxxx>
>> We now support mounting and using filesystems with 64-bit inodes even
>> when not mounted with the inode64 option (which now only controls if
>> we allocate new inodes in that space or not). Make sure we always
>> use large NFS file handles when exporting a filesystem that may contain
>> 64-bit inodes. Note that this only affects newly generated file handles,
>> any outstanding 32-bit file handle is still accepted.
>> [hch: the comment and commit log are mine, the rest is from a patch
>> snipplet from Samuel]
>> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> Won't this mean that people exporting non-root directories suddenly
> have those exports stop working on a kernel upgrade due to changing
> the handle format?
nothing is really changing, it is a bugfix. NFS was trying to use 32bit
inodes which was incorrect (i.e. broken at client) for xfs filesystem
containing 64bit inodes in one special case. This is fixed now.