On Thu, Feb 07, 2013 at 03:38:34PM -0600, Mitch Harder wrote: > Provide for modification of the limit of compressed extent size > utilizing mount-time configuration settings. > > The size of compressed extents was limited to 128K, which > leads to fragmentation of the extents (although the extents > themselves may still be located contiguously). This limit is > put in place to ease the RAM required when spreading compression > across several CPUs, and to make sure the amount of IO required > to do a random read is reasonably small. > > Signed-off-by: Mitch Harder <mitch.harder@xxxxxxxxxxxxxxxx> > --- > Changelog v1 -> v2: > - Use more self-documenting variable name: > compressed_extent_size -> max_compressed_extent_kb > - Use #define BTRFS_DEFAULT_MAX_COMPR_EXTENTS instead of raw 128. > - Fix min calculation for nr_pages. > - Comment cleanup. > - Use more self-documenting mount option parameter: > compressed_extent_size -> max_compressed_extent_kb > - Fix formatting in btrfs_show_options. Cool, thanks for cleaning those up. It looks a lot better now. - z -- 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
