On Mon, Mar 11, 2013 at 12:11:43PM +0600, Roman Mamedov wrote: > On Sun, 10 Mar 2013 22:31:08 -0700 > Michael Johnson - MJ <m...@revmj.com> wrote: > > > What I now suspect is going on is that while deleting the snapshots > > was quick, that probably kicks of a background thread which actually > > does the heavy lifting. > > Exactly that, the snapshot deletion only "syncs" on unmount, there is no > other way to ensure it is complete. > > If you have some patience and let it unmount properly and then remount it, you > may find that you have gained much more free space, due to all the snapshots > being actually deleted and the space they were occupying freed only just now.
A recent commit(commit fa6ac8765c48a06dfed914e8c8c3a903f9d313a0 Btrfs: fix cleaner thread not working with inode cache option) may improve the situation. You may want to try it. thanks, liubo -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
