From f269af5a078302712de8ee70d273eba2eb4485ca Mon Sep 17 00:00:00 2001 From: Kent Overstreet Date: Tue, 23 Jul 2013 20:48:29 -0700 Subject: bcache: Add btree_node_write_sync() More refactoring - mostly making the interfaces more explicit about what we actually want to do. Signed-off-by: Kent Overstreet --- drivers/md/bcache/btree.c | 35 ++++++++++++++++------------------- 1 file changed, 16 insertions(+), 19 deletions(-) (limited to 'drivers/md') diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c index 773b0e9..7d6204c 100644 --- a/drivers/md/bcache/btree.c +++ b/drivers/md/bcache/btree.c @@ -474,6 +474,15 @@ void bch_btree_node_write(struct btree *b, struct closure *parent) bch_bset_init_next(b); } +static void bch_btree_node_write_sync(struct btree *b) +{ + struct closure cl; + + closure_init_stack(&cl); + bch_btree_node_write(b, &cl); + closure_sync(&cl); +} + static void btree_node_write_work(struct work_struct *w) { struct btree *b = container_of(to_delayed_work(w), struct btree, work); @@ -655,10 +664,8 @@ static int mca_reap(struct btree *b, unsigned min_order, bool flush) return -ENOMEM; } - if (btree_node_dirty(b)) { - bch_btree_node_write(b, &cl); - closure_sync(&cl); - } + if (btree_node_dirty(b)) + bch_btree_node_write_sync(b); /* wait for any in flight btree write */ closure_wait_event(&b->io.wait, &cl, @@ -1411,9 +1418,6 @@ static int bch_btree_gc_root(struct btree *b, struct btree_op *op, struct btree *n = NULL; unsigned keys = 0; int ret = 0, stale = btree_gc_mark_node(b, &keys, gc); - struct closure cl; - - closure_init_stack(&cl); if (b->level || stale > 10) n = btree_node_alloc_replacement(b); @@ -1424,12 +1428,10 @@ static int bch_btree_gc_root(struct btree *b, struct btree_op *op, if (b->level) ret = btree_gc_recurse(b, op, writes, gc); - if (!b->written || btree_node_dirty(b)) { - bch_btree_node_write(b, n ? &cl : NULL); - } + if (!b->written || btree_node_dirty(b)) + bch_btree_node_write_sync(b); if (!IS_ERR_OR_NULL(n)) { - closure_sync(&cl); bch_btree_set_root(b); btree_node_free(n); rw_unlock(true, b); @@ -2104,15 +2106,10 @@ static int bch_btree_insert_node(struct btree *b, struct btree_op *op, if (bch_btree_insert_keys(b, op, insert_keys, replace_key)) { - if (!b->level) { + if (!b->level) bch_btree_leaf_dirty(b, journal_ref); - } else { - struct closure cl; - - closure_init_stack(&cl); - bch_btree_node_write(b, &cl); - closure_sync(&cl); - } + else + bch_btree_node_write_sync(b); } } } while (!bch_keylist_empty(&split_keys)); -- cgit v1.1