diff options
Diffstat (limited to 'drivers/md/bcache/writeback.c')
| -rw-r--r-- | drivers/md/bcache/writeback.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/md/bcache/writeback.c b/drivers/md/bcache/writeback.c index 82f6d4577be..553949eefd5 100644 --- a/drivers/md/bcache/writeback.c +++ b/drivers/md/bcache/writeback.c @@ -377,6 +377,42 @@ err: refill_dirty(cl); } +/* Init */ + +static int bch_btree_sectors_dirty_init(struct btree *b, struct btree_op *op, + struct cached_dev *dc) +{ + struct bkey *k; + struct btree_iter iter; + + bch_btree_iter_init(b, &iter, &KEY(dc->disk.id, 0, 0)); + while ((k = bch_btree_iter_next_filter(&iter, b, bch_ptr_bad))) + if (!b->level) { + if (KEY_INODE(k) > dc->disk.id) + break; + + if (KEY_DIRTY(k)) + atomic_long_add(KEY_SIZE(k), + &dc->disk.sectors_dirty); + } else { + btree(sectors_dirty_init, k, b, op, dc); + if (KEY_INODE(k) > dc->disk.id) + break; + + cond_resched(); + } + + return 0; +} + +void bch_sectors_dirty_init(struct cached_dev *dc) +{ + struct btree_op op; + + bch_btree_op_init_stack(&op); + btree_root(sectors_dirty_init, dc->disk.c, &op, dc); +} + void bch_cached_dev_writeback_init(struct cached_dev *dc) { closure_init_unlocked(&dc->writeback); |