diff options
Diffstat (limited to 'fs/bcachefs/movinggc.c')
| -rw-r--r-- | fs/bcachefs/movinggc.c | 48 |
1 files changed, 31 insertions, 17 deletions
diff --git a/fs/bcachefs/movinggc.c b/fs/bcachefs/movinggc.c index 21805509ab9e..159410c50861 100644 --- a/fs/bcachefs/movinggc.c +++ b/fs/bcachefs/movinggc.c @@ -74,20 +74,14 @@ static int bch2_bucket_is_movable(struct btree_trans *trans, struct move_bucket *b, u64 time) { struct bch_fs *c = trans->c; - struct btree_iter iter; - struct bkey_s_c k; - struct bch_alloc_v4 _a; - const struct bch_alloc_v4 *a; - int ret; - if (bch2_bucket_is_open(trans->c, - b->k.bucket.inode, - b->k.bucket.offset)) + if (bch2_bucket_is_open(c, b->k.bucket.inode, b->k.bucket.offset)) return 0; - k = bch2_bkey_get_iter(trans, &iter, BTREE_ID_alloc, - b->k.bucket, BTREE_ITER_cached); - ret = bkey_err(k); + struct btree_iter iter; + struct bkey_s_c k = bch2_bkey_get_iter(trans, &iter, BTREE_ID_alloc, + b->k.bucket, BTREE_ITER_cached); + int ret = bkey_err(k); if (ret) return ret; @@ -95,13 +89,18 @@ static int bch2_bucket_is_movable(struct btree_trans *trans, if (!ca) goto out; - a = bch2_alloc_to_v4(k, &_a); + if (ca->mi.state != BCH_MEMBER_STATE_rw || + !bch2_dev_is_online(ca)) + goto out_put; + + struct bch_alloc_v4 _a; + const struct bch_alloc_v4 *a = bch2_alloc_to_v4(k, &_a); b->k.gen = a->gen; b->sectors = bch2_bucket_sectors_dirty(*a); u64 lru_idx = alloc_lru_idx_fragmentation(*a, ca); ret = lru_idx && lru_idx <= time; - +out_put: bch2_dev_put(ca); out: bch2_trans_iter_exit(trans, &iter); @@ -168,8 +167,8 @@ static int bch2_copygc_get_buckets(struct moving_context *ctxt, bch2_trans_begin(trans); ret = for_each_btree_key_max(trans, iter, BTREE_ID_lru, - lru_pos(BCH_LRU_FRAGMENTATION_START, 0, 0), - lru_pos(BCH_LRU_FRAGMENTATION_START, U64_MAX, LRU_TIME_MAX), + lru_pos(BCH_LRU_BUCKET_FRAGMENTATION, 0, 0), + lru_pos(BCH_LRU_BUCKET_FRAGMENTATION, U64_MAX, LRU_TIME_MAX), 0, k, ({ struct move_bucket b = { .k.bucket = u64_to_bucket(k.k->p.offset) }; int ret2 = 0; @@ -281,7 +280,11 @@ unsigned long bch2_copygc_wait_amount(struct bch_fs *c) s64 wait = S64_MAX, fragmented_allowed, fragmented; for_each_rw_member(c, ca) { - struct bch_dev_usage usage = bch2_dev_usage_read(ca); + struct bch_dev_usage_full usage_full = bch2_dev_usage_full_read(ca); + struct bch_dev_usage usage; + + for (unsigned i = 0; i < BCH_DATA_NR; i++) + usage.buckets[i] = usage_full.d[i].buckets; fragmented_allowed = ((__dev_buckets_available(ca, usage, BCH_WATERMARK_stripe) * ca->mi.bucket_size) >> 1); @@ -289,7 +292,7 @@ unsigned long bch2_copygc_wait_amount(struct bch_fs *c) for (unsigned i = 0; i < BCH_DATA_NR; i++) if (data_type_movable(i)) - fragmented += usage.d[i].fragmented; + fragmented += usage_full.d[i].fragmented; wait = min(wait, max(0LL, fragmented_allowed - fragmented)); } @@ -318,6 +321,17 @@ void bch2_copygc_wait_to_text(struct printbuf *out, struct bch_fs *c) prt_printf(out, "Currently calculated wait:\t"); prt_human_readable_u64(out, bch2_copygc_wait_amount(c)); prt_newline(out); + + rcu_read_lock(); + struct task_struct *t = rcu_dereference(c->copygc_thread); + if (t) + get_task_struct(t); + rcu_read_unlock(); + + if (t) { + bch2_prt_task_backtrace(out, t, 0, GFP_KERNEL); + put_task_struct(t); + } } static int bch2_copygc_thread(void *arg) |