On Fri, Feb 22, 2013 at 11:16:22AM +0100, Norbert Scheibner wrote: > Am 20.02.2013, 02:14 Uhr, schrieb Liu Bo <bo.li.liu@xxxxxxxxxx>: > > >I think I know why inode_cache keeps us from freeing space, > >inode_cache adds > >a cache_inode in each btrfs root, and this cache_inode will be > >iput at the very > >last of stage during umount, ie. after we do cleanup work on old > >snapshot/subvols, where we free the space. > > > >A remount will force btrfs to do cleanup work on old snapshots > >during mount. > > > >This may explain the situation. > > > >thanks, > >liubo > > I don't know how long the code behaves that way, but this is > exactly what I see here on debian kernel 3.2.35. A patch to fix it is now in btrfs-next, so we may not be bitten any more. thanks, liubo -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
