On Mon, Sep 08, 2014 at 01:41:49PM -0500, Eric Sandeen wrote: > On 9/8/14 1:10 PM, Joe Landman wrote: > >Figured I'd ask, looked on the FAQ and didn't see anything there > >relevant to this. There is a hint of this in xfs_growfs, > >specifically the -i option, though it is noted that "[NOTE: This > >option is not implemented]". > > Yep, it's never been implemented. You could do it manually with > some very careful xfs_db surgery, if you had enough contiguous > freespace available, but it's not at all supported. > > Basically, no, you can't do it without getting very far under > the hood and directly editing the disk. There's nothing amazingly difficult about implementing external-to-internal journal. First allocate the contiguous extent for the new log, then zero it, then freeze the filesystem to bring the external log down to a clean state, atomically modify the superblock on disk to point at the new log, then re-initialise all the log state to point at the new log, update the head and tail to new cycles at the start of the new log, and unfreeze.... Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
