On Thu, Sep 02, 2010 at 03:17:43PM +1000, Dave Chinner wrote: > From: Dave Chinner <dchinner@xxxxxxxxxx> > > If we attempt to preallocate more than 2^32 blocks of space in a > single syscall, the transaction block reservation will overflow > leading to a hangs in the superblock block accounting code. This > is trivially reproduced with xfs_io. Fix the problem by capping the > allocation reservation to the maximum number of blocks a single > xfs_bmapi() call can allocate (2^21 blocks). > > Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx> Looks good, Reviewed-by: Christoph Hellwig <hch@xxxxxx> _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
