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>
diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c
index 6954699..017c95f 100644
--- a/drivers/md/bcache/request.c
+++ b/drivers/md/bcache/request.c
@@ -10,6 +10,7 @@
#include "btree.h"
#include "debug.h"
#include "request.h"
+#include "writeback.h"
#include <linux/cgroup.h>
#include <linux/module.h>
@@ -1044,7 +1045,7 @@
closure_bio_submit(bio, cl, s->d);
} else {
s->op.cache_bio = bio;
- bch_writeback_add(dc, bio_sectors(bio));
+ bch_writeback_add(dc);
}
out:
closure_call(&s->op.cl, bch_insert_data, NULL, cl);