2962302fa6 parent 49defc015ff58fda46a3afa3462dfdfa69bc8401 author David Woodhouse 1191697978 -0400 committer David Woodhouse 1191697978 -0400 [JFFS2] Trigger garbage collection when very_dirty_list size becomes excessive With huge amounts of free space, we weren't bothering to GC for while a while, and pathological numbers of obsolete nodes were accumulating, seriously affecting performance on NAND flash (OLPC trac #3978) Signed-off-by: David Woodhouse Û_»d™