2 commits

Author	SHA1	Message	Date
Kent Overstreet	72c270612b	bcache: Write out full stripes ... Now that we're tracking dirty data per stripe, we can add two optimizations for raid5/6: * If a stripe is already dirty, force writes to that stripe to writeback mode - to help build up full stripes of dirty data * When flushing dirty data, preferentially write out full stripes first if there are any. Signed-off-by: Kent Overstreet <koverstreet@google.com>	2013-06-26 21:58:04 -07:00
Kent Overstreet	279afbad4e	bcache: Track dirty data by stripe ... To make background writeback aware of raid5/6 stripes, we first need to track the amount of dirty data within each stripe - we do this by breaking up the existing sectors_dirty into per stripe atomic_ts Signed-off-by: Kent Overstreet <koverstreet@google.com>	2013-06-26 21:57:23 -07:00