On Thu, Oct 18, 2012 at 07:27:09PM +0400, Sergey Stepanov wrote: > Hi. > > I have a device with XFS on it and if I run xfs_db on it, I get the > following: > > xfs_db> agf 0 > xfs_db> p > magicnum = 0x58414746 > versionnum = 1 > seqno = 0 > length = 6553344 > bnoroot = 19432 > cntroot = 20689 > bnolevel = 1 > cntlevel = 1 > flfirst = 0 > fllast = 3 > flcount = 4 > freeblks = 6529632 > longest = 6522442 > btreeblks = 0 > xfs_db> agfl 0 > xfs_db> p > bno[0-127] = 0:1 1:2 2:3 3:4 > > As you can see, AGFL contains block numbers 1-4. > > As far as I understand, blocks 1-3 contain roots for inode and free space > trees, so it seems really suspicious to me that they are listed in free > list. Roots of the freespace btrees are at blocks: > bnoroot = 19432 > cntroot = 20689 Root blocks move around, because the are reallocated during splits change during merges. Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
