On Thu, Feb 7, 2013 at 6:28 PM, David Sterba <d...@jikos.cz> wrote: > On Thu, Feb 07, 2013 at 03:38:34PM -0600, Mitch Harder wrote: >> --- a/fs/btrfs/relocation.c >> +++ b/fs/btrfs/relocation.c >> @@ -144,7 +144,7 @@ struct tree_block { >> unsigned int key_ready:1; >> }; >> >> -#define MAX_EXTENTS 128 >> +#define MAX_EXTENTS 512 > > Is this really related to compression? IIRC I've seen it only in context > of batch work in reloc, but not anywhere near compression. (I may be > wrong of course, just checking). >
When you defragment compressed extents, it will run through relocation. If autodefrag is enabled, I found most everything I touched was running through relocation. It has been a while since I looked at the issue, but I think balancing your data will also run through relocation. -- 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