Re: btrfs: hanging processes - race condition?

2010-06-13 Thread Shaohua Li
On Fri, Jun 11, 2010 at 10:32:07AM +0800, Yan, Zheng wrote: On Fri, Jun 11, 2010 at 9:12 AM, Shaohua Li shaohua...@intel.com wrote: On Fri, Jun 11, 2010 at 01:41:41AM +0800, Jerome Ibanes wrote: List, I ran into a hang issue (race condition: cpu is high when the server is idle, meaning

Re: [PATCH][RFC] Complex filesystem operations: split and join

2010-06-13 Thread OGAWA Hirofumi
Nikanth Karthikesan knika...@novell.com writes: I had a need to split a file into smaller files on a thumb drive with no free space on it or anywhere else in the system. When the filesystem supports sparse files(truncate_range), I could create files, while punching holes in the original file.

Re: default subvolume abilities/restrictions

2010-06-13 Thread C Anthony Risinger
On Sat, Jun 12, 2010 at 8:06 PM, C Anthony Risinger anth...@extof.me wrote: On Sat, Jun 12, 2010 at 7:22 PM, David Brown bt...@davidb.org wrote: On Sat, Jun 12, 2010 at 06:06:23PM -0500, C Anthony Risinger wrote: # btrfs subvolume create new_root # mv . new_root/old_root can i at least get