Josef Bacik wrote (ao): > This patch series introduces the ability for btrfs to store the free space cache > ondisk to make the caching of a block group much quicker. Previously we had to > search the entire extent-tree to look for gaps everytime we wanted to allocate > in a block group. This approach instead dumps all of the free space cache to > disk for every dirtied block group each time we commit the transaction. This is > a disk format change, but in order to use the feature you will have to mount > with -o space_cache, and then from then on you won't be able to use old kernels > with your filesystem. Will this go into a future version of btrfs? If so, would it make sense to include other changes that would require a format change? Sander -- Humilis IT Services and Solutions http://www.humilis.net -- 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
