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bcache: Add explicit keylist arg to btree_insert()

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Some refactoring - better to explicitly pass stuff around instead of
having it all in the "big bag of state", struct btree_op. Going to prune
struct btree_op quite a bit over time.

Signed-off-by: Kent Overstreet <kmo@daterainc.com>
This commit is contained in:
Kent Overstreet
2013-09-10 18:46:36 -07:00
parent e7c590eb63
commit 4f3d40147b
5 changed files with 18 additions and 16 deletions
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26
drivers/md/bcache/btree.c
View File

@@ -2109,30 +2109,32 @@ out:
return ret;
}
static int bch_btree_insert_recurse(struct btree *b, struct btree_op *op)
static int bch_btree_insert_recurse(struct btree *b, struct btree_op *op,
struct keylist *keys)
{
if (bch_keylist_empty(&op->keys))
if (bch_keylist_empty(keys))
return 0;
if (b->level) {
struct bkey *insert = op->keys.bottom;
struct bkey *k = bch_next_recurse_key(b, &START_KEY(insert));
struct bkey *k;
k = bch_next_recurse_key(b, &START_KEY(keys->bottom));
if (!k) {
btree_bug(b, "no key to recurse on at level %i/%i",
b->level, b->c->root->level);
op->keys.top = op->keys.bottom;
keys->top = keys->bottom;
return -EIO;
}
return btree(insert_recurse, k, b, op);
return btree(insert_recurse, k, b, op, keys);
} else {
return bch_btree_insert_node(b, op, &op->keys);
return bch_btree_insert_node(b, op, keys);
}
}
int bch_btree_insert(struct btree_op *op, struct cache_set *c)
int bch_btree_insert(struct btree_op *op, struct cache_set *c,
struct keylist *keys)
{
int ret = 0;
@@ -2142,11 +2144,11 @@ int bch_btree_insert(struct btree_op *op, struct cache_set *c)
*/
clear_closure_blocking(&op->cl);
BUG_ON(bch_keylist_empty(&op->keys));
BUG_ON(bch_keylist_empty(keys));
while (!bch_keylist_empty(&op->keys)) {
while (!bch_keylist_empty(keys)) {
op->lock = 0;
ret = btree_root(insert_recurse, c, op);
ret = btree_root(insert_recurse, c, op, keys);
if (ret == -EAGAIN) {
ret = 0;
@@ -2157,7 +2159,7 @@ int bch_btree_insert(struct btree_op *op, struct cache_set *c)
pr_err("error %i trying to insert key for %s",
ret, op_type(op));
while ((k = bch_keylist_pop(&op->keys)))
while ((k = bch_keylist_pop(keys)))
bkey_put(c, k, 0);
}
}