diff options
author | Kent Overstreet <kmo@daterainc.com> | 2013-11-11 17:35:24 -0800 |
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committer | Kent Overstreet <kmo@daterainc.com> | 2014-01-08 13:05:13 -0800 |
commit | c052dd9a26f60bcf70c0c3fcc08e07abb60295cd (patch) | |
tree | 9b6f0f270c546ef974bd0b091679a81e1ea295fc | |
parent | f67342dd342d5917d94a7c0ffbde5f78e0d7a57a (diff) | |
download | linux-c052dd9a26f60bcf70c0c3fcc08e07abb60295cd.tar.bz2 |
bcache: Convert btree_iter to struct btree_keys
More work to disentangle bset.c from struct btree
Signed-off-by: Kent Overstreet <kmo@daterainc.com>
-rw-r--r-- | drivers/md/bcache/bset.c | 22 | ||||
-rw-r--r-- | drivers/md/bcache/bset.h | 19 | ||||
-rw-r--r-- | drivers/md/bcache/btree.c | 22 | ||||
-rw-r--r-- | drivers/md/bcache/btree.h | 8 | ||||
-rw-r--r-- | drivers/md/bcache/debug.c | 6 | ||||
-rw-r--r-- | drivers/md/bcache/sysfs.c | 2 |
6 files changed, 41 insertions, 38 deletions
diff --git a/drivers/md/bcache/bset.c b/drivers/md/bcache/bset.c index a3ffc3711b75..097bd8d2acba 100644 --- a/drivers/md/bcache/bset.c +++ b/drivers/md/bcache/bset.c @@ -764,7 +764,7 @@ static struct bset_search_iter bset_search_tree(struct bset_tree *t, return (struct bset_search_iter) {l, r}; } -struct bkey *__bch_bset_search(struct btree *b, struct bset_tree *t, +struct bkey *__bch_bset_search(struct btree_keys *b, struct bset_tree *t, const struct bkey *search) { struct bset_search_iter i; @@ -787,7 +787,7 @@ struct bkey *__bch_bset_search(struct btree *b, struct bset_tree *t, if (unlikely(!t->size)) { i.l = t->data->start; i.r = bset_bkey_last(t->data); - } else if (bset_written(&b->keys, t)) { + } else if (bset_written(b, t)) { /* * Each node in the auxiliary search tree covers a certain range * of bits, and keys above and below the set it covers might @@ -803,14 +803,14 @@ struct bkey *__bch_bset_search(struct btree *b, struct bset_tree *t, i = bset_search_tree(t, search); } else { - BUG_ON(!b->keys.nsets && + BUG_ON(!b->nsets && t->size < bkey_to_cacheline(t, bset_bkey_last(t->data))); i = bset_search_write_set(t, search); } - if (expensive_debug_checks(b->c)) { - BUG_ON(bset_written(&b->keys, t) && + if (btree_keys_expensive_checks(b)) { + BUG_ON(bset_written(b, t) && i.l != t->data->start && bkey_cmp(tree_to_prev_bkey(t, inorder_to_tree(bkey_to_cacheline(t, i.l), t)), @@ -853,7 +853,7 @@ void bch_btree_iter_push(struct btree_iter *iter, struct bkey *k, btree_iter_cmp)); } -static struct bkey *__bch_btree_iter_init(struct btree *b, +static struct bkey *__bch_btree_iter_init(struct btree_keys *b, struct btree_iter *iter, struct bkey *search, struct bset_tree *start) @@ -866,7 +866,7 @@ static struct bkey *__bch_btree_iter_init(struct btree *b, iter->b = b; #endif - for (; start <= bset_tree_last(&b->keys); start++) { + for (; start <= bset_tree_last(b); start++) { ret = bch_bset_search(b, start, search); bch_btree_iter_push(iter, ret, bset_bkey_last(start->data)); } @@ -874,11 +874,11 @@ static struct bkey *__bch_btree_iter_init(struct btree *b, return ret; } -struct bkey *bch_btree_iter_init(struct btree *b, +struct bkey *bch_btree_iter_init(struct btree_keys *b, struct btree_iter *iter, struct bkey *search) { - return __bch_btree_iter_init(b, iter, search, b->keys.set); + return __bch_btree_iter_init(b, iter, search, b->set); } EXPORT_SYMBOL(bch_btree_iter_init); @@ -1047,7 +1047,7 @@ void bch_btree_sort_partial(struct btree *b, unsigned start, struct btree_iter iter; int oldsize = bch_count_data(b); - __bch_btree_iter_init(b, &iter, NULL, &b->keys.set[start]); + __bch_btree_iter_init(&b->keys, &iter, NULL, &b->keys.set[start]); if (start) { unsigned i; @@ -1080,7 +1080,7 @@ void bch_btree_sort_into(struct btree *b, struct btree *new, uint64_t start_time = local_clock(); struct btree_iter iter; - bch_btree_iter_init(b, &iter, NULL); + bch_btree_iter_init(&b->keys, &iter, NULL); btree_mergesort(&b->keys, new->keys.set->data, &iter, false, true); diff --git a/drivers/md/bcache/bset.h b/drivers/md/bcache/bset.h index 49135695342e..563130c28142 100644 --- a/drivers/md/bcache/bset.h +++ b/drivers/md/bcache/bset.h @@ -309,7 +309,7 @@ static inline bool bch_bkey_try_merge(struct btree_keys *b, struct btree_iter { size_t size, used; #ifdef CONFIG_BCACHE_DEBUG - struct btree *b; + struct btree_keys *b; #endif struct btree_iter_set { struct bkey *k, *end; @@ -323,21 +323,30 @@ struct bkey *bch_btree_iter_next_filter(struct btree_iter *, struct btree_keys *, ptr_filter_fn); void bch_btree_iter_push(struct btree_iter *, struct bkey *, struct bkey *); -struct bkey *bch_btree_iter_init(struct btree *, struct btree_iter *, +struct bkey *bch_btree_iter_init(struct btree_keys *, struct btree_iter *, struct bkey *); -struct bkey *__bch_bset_search(struct btree *, struct bset_tree *, - const struct bkey *); +struct bkey *__bch_bset_search(struct btree_keys *, struct bset_tree *, + const struct bkey *); /* * Returns the first key that is strictly greater than search */ -static inline struct bkey *bch_bset_search(struct btree *b, struct bset_tree *t, +static inline struct bkey *bch_bset_search(struct btree_keys *b, + struct bset_tree *t, const struct bkey *search) { return search ? __bch_bset_search(b, t, search) : t->data->start; } +#define for_each_key_filter(b, k, iter, filter) \ + for (bch_btree_iter_init((b), (iter), NULL); \ + ((k) = bch_btree_iter_next_filter((iter), (b), filter));) + +#define for_each_key(b, k, iter) \ + for (bch_btree_iter_init((b), (iter), NULL); \ + ((k) = bch_btree_iter_next(iter));) + /* Sorting */ struct bset_sort_state { diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c index 2c90003ff4ce..9424c8a15e37 100644 --- a/drivers/md/bcache/btree.c +++ b/drivers/md/bcache/btree.c @@ -212,7 +212,7 @@ void bch_btree_node_read_done(struct btree *b) iter->used = 0; #ifdef CONFIG_BCACHE_DEBUG - iter->b = b; + iter->b = &b->keys; #endif if (!i->seq) @@ -1195,7 +1195,7 @@ static bool btree_gc_mark_node(struct btree *b, struct gc_stat *gc) gc->nodes++; - for_each_key_filter(b, k, &iter, bch_ptr_invalid) { + for_each_key_filter(&b->keys, k, &iter, bch_ptr_invalid) { stale = max(stale, btree_mark_key(b, k)); keys++; @@ -1386,7 +1386,7 @@ static unsigned btree_gc_count_keys(struct btree *b) struct btree_iter iter; unsigned ret = 0; - for_each_key_filter(b, k, &iter, bch_ptr_bad) + for_each_key_filter(&b->keys, k, &iter, bch_ptr_bad) ret += bkey_u64s(k); return ret; @@ -1406,7 +1406,7 @@ static int btree_gc_recurse(struct btree *b, struct btree_op *op, struct gc_merge_info *last = r + GC_MERGE_NODES - 1; bch_keylist_init(&keys); - bch_btree_iter_init(b, &iter, &b->c->gc_done); + bch_btree_iter_init(&b->keys, &iter, &b->c->gc_done); for (i = 0; i < GC_MERGE_NODES; i++) r[i].b = ERR_PTR(-EINTR); @@ -1722,7 +1722,7 @@ static int bch_btree_check_recurse(struct btree *b, struct btree_op *op, struct bucket *g; struct btree_iter iter; - for_each_key_filter(b, k, &iter, bch_ptr_invalid) { + for_each_key_filter(&b->keys, k, &iter, bch_ptr_invalid) { for (i = 0; i < KEY_PTRS(k); i++) { if (!ptr_available(b->c, k, i)) continue; @@ -1745,7 +1745,7 @@ static int bch_btree_check_recurse(struct btree *b, struct btree_op *op, } if (b->level) { - bch_btree_iter_init(b, &iter, NULL); + bch_btree_iter_init(&b->keys, &iter, NULL); do { k = bch_btree_iter_next_filter(&iter, &b->keys, @@ -1892,7 +1892,7 @@ static bool fix_overlapping_extents(struct btree *b, struct bkey *insert, * depends on us inserting a new key for the top * here. */ - top = bch_bset_search(b, + top = bch_bset_search(&b->keys, bset_tree_last(&b->keys), insert); bch_bset_insert(&b->keys, top, k); @@ -1965,7 +1965,7 @@ static bool btree_insert_key(struct btree *b, struct btree_op *op, * the previous key. */ prev = NULL; - m = bch_btree_iter_init(b, &iter, + m = bch_btree_iter_init(&b->keys, &iter, PRECEDING_KEY(&START_KEY(k))); if (fix_overlapping_extents(b, k, &iter, replace_key)) { @@ -2001,7 +2001,7 @@ static bool btree_insert_key(struct btree *b, struct btree_op *op, goto copy; } else { BUG_ON(replace_key); - m = bch_bset_search(b, bset_tree_last(&b->keys), k); + m = bch_bset_search(&b->keys, bset_tree_last(&b->keys), k); } insert: bch_bset_insert(&b->keys, m, k); @@ -2357,7 +2357,7 @@ static int bch_btree_map_nodes_recurse(struct btree *b, struct btree_op *op, struct bkey *k; struct btree_iter iter; - bch_btree_iter_init(b, &iter, from); + bch_btree_iter_init(&b->keys, &iter, from); while ((k = bch_btree_iter_next_filter(&iter, &b->keys, bch_ptr_bad))) { @@ -2390,7 +2390,7 @@ static int bch_btree_map_keys_recurse(struct btree *b, struct btree_op *op, struct bkey *k; struct btree_iter iter; - bch_btree_iter_init(b, &iter, from); + bch_btree_iter_init(&b->keys, &iter, from); while ((k = bch_btree_iter_next_filter(&iter, &b->keys, bch_ptr_bad))) { ret = !b->level diff --git a/drivers/md/bcache/btree.h b/drivers/md/bcache/btree.h index 04e81f8ab89a..af065e97e55c 100644 --- a/drivers/md/bcache/btree.h +++ b/drivers/md/bcache/btree.h @@ -201,14 +201,6 @@ void bkey_put(struct cache_set *c, struct bkey *k); iter++) \ hlist_for_each_entry_rcu((b), (c)->bucket_hash + iter, hash) -#define for_each_key_filter(b, k, iter, filter) \ - for (bch_btree_iter_init((b), (iter), NULL); \ - ((k) = bch_btree_iter_next_filter((iter), &(b)->keys, filter));) - -#define for_each_key(b, k, iter) \ - for (bch_btree_iter_init((b), (iter), NULL); \ - ((k) = bch_btree_iter_next(iter));) - /* Recursing down the btree */ struct btree_op { diff --git a/drivers/md/bcache/debug.c b/drivers/md/bcache/debug.c index 8acc18af07c1..3de27e2a4e07 100644 --- a/drivers/md/bcache/debug.c +++ b/drivers/md/bcache/debug.c @@ -246,7 +246,7 @@ int __bch_count_data(struct btree *b) struct bkey *k; if (!b->level) - for_each_key(b, k, &iter) + for_each_key(&b->keys, k, &iter) ret += KEY_SIZE(k); return ret; } @@ -258,7 +258,7 @@ void __bch_check_keys(struct btree *b, const char *fmt, ...) struct btree_iter iter; const char *err; - for_each_key(b, k, &iter) { + for_each_key(&b->keys, k, &iter) { if (!b->level) { err = "Keys out of order"; if (p && bkey_cmp(&START_KEY(p), &START_KEY(k)) > 0) @@ -298,6 +298,7 @@ bug: void bch_btree_iter_next_check(struct btree_iter *iter) { +#if 0 struct bkey *k = iter->data->k, *next = bkey_next(k); if (next < iter->data->end && @@ -305,6 +306,7 @@ void bch_btree_iter_next_check(struct btree_iter *iter) bch_dump_bucket(iter->b); panic("Key skipped backwards\n"); } +#endif } #endif diff --git a/drivers/md/bcache/sysfs.c b/drivers/md/bcache/sysfs.c index db2111b88e20..c6ab69333a6d 100644 --- a/drivers/md/bcache/sysfs.c +++ b/drivers/md/bcache/sysfs.c @@ -460,7 +460,7 @@ lock_root: rw_lock(false, b, b->level); } while (b != c->root); - for_each_key_filter(b, k, &iter, bch_ptr_bad) + for_each_key_filter(&b->keys, k, &iter, bch_ptr_bad) bytes += bkey_bytes(k); rw_unlock(false, b); |