diff options
Diffstat (limited to 'fs/bcachefs/move.c')
-rw-r--r-- | fs/bcachefs/move.c | 86 |
1 files changed, 35 insertions, 51 deletions
diff --git a/fs/bcachefs/move.c b/fs/bcachefs/move.c index bf68ea49447b..8171f947fac8 100644 --- a/fs/bcachefs/move.c +++ b/fs/bcachefs/move.c @@ -41,28 +41,23 @@ static void bch2_data_update_opts_to_text(struct printbuf *out, struct bch_fs *c struct data_update_opts *data_opts) { printbuf_tabstop_push(out, 20); - prt_str(out, "rewrite ptrs:"); - prt_tab(out); + prt_str(out, "rewrite ptrs:\t"); bch2_prt_u64_base2(out, data_opts->rewrite_ptrs); prt_newline(out); - prt_str(out, "kill ptrs: "); - prt_tab(out); + prt_str(out, "kill ptrs:\t"); bch2_prt_u64_base2(out, data_opts->kill_ptrs); prt_newline(out); - prt_str(out, "target: "); - prt_tab(out); + prt_str(out, "target:\t"); bch2_target_to_text(out, c, data_opts->target); prt_newline(out); - prt_str(out, "compression: "); - prt_tab(out); + prt_str(out, "compression:\t"); bch2_compression_opt_to_text(out, background_compression(*io_opts)); prt_newline(out); - prt_str(out, "extra replicas: "); - prt_tab(out); + prt_str(out, "extra replicas:\t"); prt_u64(out, data_opts->extra_replicas); } @@ -421,7 +416,7 @@ struct bch_io_opts *bch2_move_get_io_opts(struct btree_trans *trans, io_opts->d.nr = 0; ret = for_each_btree_key(trans, iter, BTREE_ID_inodes, POS(0, extent_k.k->p.inode), - BTREE_ITER_ALL_SNAPSHOTS, k, ({ + BTREE_ITER_all_snapshots, k, ({ if (k.k->p.offset != extent_k.k->p.inode) break; @@ -467,7 +462,7 @@ int bch2_move_get_io_opts_one(struct btree_trans *trans, k = bch2_bkey_get_iter(trans, &iter, BTREE_ID_inodes, SPOS(0, extent_k.k->p.inode, extent_k.k->p.snapshot), - BTREE_ITER_CACHED); + BTREE_ITER_cached); ret = bkey_err(k); if (bch2_err_matches(ret, BCH_ERR_transaction_restart)) return ret; @@ -553,8 +548,8 @@ static int bch2_move_data_btree(struct moving_context *ctxt, } bch2_trans_iter_init(trans, &iter, btree_id, start, - BTREE_ITER_PREFETCH| - BTREE_ITER_ALL_SNAPSHOTS); + BTREE_ITER_prefetch| + BTREE_ITER_all_snapshots); if (ctxt->rate) bch2_ratelimit_reset(ctxt->rate); @@ -695,6 +690,10 @@ int bch2_evacuate_bucket(struct moving_context *ctxt, struct bpos bp_pos = POS_MIN; int ret = 0; + struct bch_dev *ca = bch2_dev_tryget(c, bucket.inode); + if (!ca) + return 0; + trace_bucket_evacuate(c, &bucket); bch2_bkey_buf_init(&sk); @@ -705,7 +704,7 @@ int bch2_evacuate_bucket(struct moving_context *ctxt, bch2_trans_begin(trans); bch2_trans_iter_init(trans, &iter, BTREE_ID_alloc, - bucket, BTREE_ITER_CACHED); + bucket, BTREE_ITER_cached); ret = lockrestart_do(trans, bkey_err(k = bch2_btree_iter_peek_slot(&iter))); bch2_trans_iter_exit(trans, &iter); @@ -716,7 +715,7 @@ int bch2_evacuate_bucket(struct moving_context *ctxt, a = bch2_alloc_to_v4(k, &a_convert); dirty_sectors = bch2_bucket_sectors_dirty(*a); - bucket_size = bch_dev_bkey_exists(c, bucket.inode)->mi.bucket_size; + bucket_size = ca->mi.bucket_size; fragmentation = a->fragmentation_lru; ret = bch2_btree_write_buffer_tryflush(trans); @@ -730,9 +729,9 @@ int bch2_evacuate_bucket(struct moving_context *ctxt, bch2_trans_begin(trans); - ret = bch2_get_next_backpointer(trans, bucket, gen, + ret = bch2_get_next_backpointer(trans, ca, bucket, gen, &bp_pos, &bp, - BTREE_ITER_CACHED); + BTREE_ITER_cached); if (bch2_err_matches(ret, BCH_ERR_transaction_restart)) continue; if (ret) @@ -828,6 +827,7 @@ next: trace_evacuate_bucket(c, &bucket, dirty_sectors, bucket_size, fragmentation, ret); err: + bch2_dev_put(ca); bch2_bkey_buf_exit(&sk, c); return ret; } @@ -868,7 +868,7 @@ static int bch2_move_btree(struct bch_fs *c, continue; bch2_trans_node_iter_init(trans, &iter, btree, POS_MIN, 0, 0, - BTREE_ITER_PREFETCH); + BTREE_ITER_prefetch); retry: ret = 0; while (bch2_trans_begin(trans), @@ -968,27 +968,17 @@ static bool migrate_btree_pred(struct bch_fs *c, void *arg, return migrate_pred(c, arg, bkey_i_to_s_c(&b->key), io_opts, data_opts); } +/* + * Ancient versions of bcachefs produced packed formats which could represent + * keys that the in memory format cannot represent; this checks for those + * formats so we can get rid of them. + */ static bool bformat_needs_redo(struct bkey_format *f) { - unsigned i; - - for (i = 0; i < f->nr_fields; i++) { - unsigned unpacked_bits = bch2_bkey_format_current.bits_per_field[i]; - u64 unpacked_mask = ~((~0ULL << 1) << (unpacked_bits - 1)); - u64 field_offset = le64_to_cpu(f->field_offset[i]); - - if (f->bits_per_field[i] > unpacked_bits) + for (unsigned i = 0; i < f->nr_fields; i++) + if (bch2_bkey_format_field_overflows(f, i)) return true; - if ((f->bits_per_field[i] == unpacked_bits) && field_offset) - return true; - - if (((field_offset + ((1ULL << f->bits_per_field[i]) - 1)) & - unpacked_mask) < - field_offset) - return true; - } - return false; } @@ -1043,6 +1033,7 @@ static bool drop_extra_replicas_pred(struct bch_fs *c, void *arg, struct extent_ptr_decoded p; unsigned i = 0; + rcu_read_lock(); bkey_for_each_ptr_decode(k.k, bch2_bkey_ptrs_c(k), p, entry) { unsigned d = bch2_extent_ptr_durability(c, &p); @@ -1053,6 +1044,7 @@ static bool drop_extra_replicas_pred(struct bch_fs *c, void *arg, i++; } + rcu_read_unlock(); return data_opts->kill_ptrs != 0; } @@ -1137,23 +1129,17 @@ void bch2_move_stats_to_text(struct printbuf *out, struct bch_move_stats *stats) prt_newline(out); printbuf_indent_add(out, 2); - prt_str(out, "keys moved: "); - prt_u64(out, atomic64_read(&stats->keys_moved)); - prt_newline(out); - - prt_str(out, "keys raced: "); - prt_u64(out, atomic64_read(&stats->keys_raced)); - prt_newline(out); - - prt_str(out, "bytes seen: "); + prt_printf(out, "keys moved: %llu\n", atomic64_read(&stats->keys_moved)); + prt_printf(out, "keys raced: %llu\n", atomic64_read(&stats->keys_raced)); + prt_printf(out, "bytes seen: "); prt_human_readable_u64(out, atomic64_read(&stats->sectors_seen) << 9); prt_newline(out); - prt_str(out, "bytes moved: "); + prt_printf(out, "bytes moved: "); prt_human_readable_u64(out, atomic64_read(&stats->sectors_moved) << 9); prt_newline(out); - prt_str(out, "bytes raced: "); + prt_printf(out, "bytes raced: "); prt_human_readable_u64(out, atomic64_read(&stats->sectors_raced) << 9); prt_newline(out); @@ -1167,19 +1153,17 @@ static void bch2_moving_ctxt_to_text(struct printbuf *out, struct bch_fs *c, str bch2_move_stats_to_text(out, ctxt->stats); printbuf_indent_add(out, 2); - prt_printf(out, "reads: ios %u/%u sectors %u/%u", + prt_printf(out, "reads: ios %u/%u sectors %u/%u\n", atomic_read(&ctxt->read_ios), c->opts.move_ios_in_flight, atomic_read(&ctxt->read_sectors), c->opts.move_bytes_in_flight >> 9); - prt_newline(out); - prt_printf(out, "writes: ios %u/%u sectors %u/%u", + prt_printf(out, "writes: ios %u/%u sectors %u/%u\n", atomic_read(&ctxt->write_ios), c->opts.move_ios_in_flight, atomic_read(&ctxt->write_sectors), c->opts.move_bytes_in_flight >> 9); - prt_newline(out); printbuf_indent_add(out, 2); |