diff options
Diffstat (limited to 'fs/bcachefs/rebalance.c')
| -rw-r--r-- | fs/bcachefs/rebalance.c | 54 |
1 files changed, 40 insertions, 14 deletions
diff --git a/fs/bcachefs/rebalance.c b/fs/bcachefs/rebalance.c index 4adc74cd3f70..29a569384146 100644 --- a/fs/bcachefs/rebalance.c +++ b/fs/bcachefs/rebalance.c @@ -26,9 +26,8 @@ /* bch_extent_rebalance: */ -static const struct bch_extent_rebalance *bch2_bkey_rebalance_opts(struct bkey_s_c k) +static const struct bch_extent_rebalance *bch2_bkey_ptrs_rebalance_opts(struct bkey_ptrs_c ptrs) { - struct bkey_ptrs_c ptrs = bch2_bkey_ptrs_c(k); const union bch_extent_entry *entry; bkey_extent_entry_for_each(ptrs, entry) @@ -38,6 +37,11 @@ static const struct bch_extent_rebalance *bch2_bkey_rebalance_opts(struct bkey_s return NULL; } +static const struct bch_extent_rebalance *bch2_bkey_rebalance_opts(struct bkey_s_c k) +{ + return bch2_bkey_ptrs_rebalance_opts(bch2_bkey_ptrs_c(k)); +} + static inline unsigned bch2_bkey_ptrs_need_compress(struct bch_fs *c, struct bch_io_opts *opts, struct bkey_s_c k, @@ -97,11 +101,12 @@ static unsigned bch2_bkey_ptrs_need_rebalance(struct bch_fs *c, u64 bch2_bkey_sectors_need_rebalance(struct bch_fs *c, struct bkey_s_c k) { - const struct bch_extent_rebalance *opts = bch2_bkey_rebalance_opts(k); + struct bkey_ptrs_c ptrs = bch2_bkey_ptrs_c(k); + + const struct bch_extent_rebalance *opts = bch2_bkey_ptrs_rebalance_opts(ptrs); if (!opts) return 0; - struct bkey_ptrs_c ptrs = bch2_bkey_ptrs_c(k); const union bch_extent_entry *entry; struct extent_ptr_decoded p; u64 sectors = 0; @@ -121,12 +126,10 @@ u64 bch2_bkey_sectors_need_rebalance(struct bch_fs *c, struct bkey_s_c k) } } incompressible: - if (opts->background_target && - bch2_target_accepts_data(c, BCH_DATA_user, opts->background_target)) { + if (opts->background_target) bkey_for_each_ptr_decode(k.k, ptrs, p, entry) if (!p.ptr.cached && !bch2_dev_in_target(c, p.ptr.dev, opts->background_target)) sectors += p.crc.compressed_size; - } return sectors; } @@ -140,7 +143,7 @@ static bool bch2_bkey_rebalance_needs_update(struct bch_fs *c, struct bch_io_opt const struct bch_extent_rebalance *old = bch2_bkey_rebalance_opts(k); if (k.k->type == KEY_TYPE_reflink_v || bch2_bkey_ptrs_need_rebalance(c, opts, k)) { - struct bch_extent_rebalance new = io_opts_to_rebalance_opts(opts); + struct bch_extent_rebalance new = io_opts_to_rebalance_opts(c, opts); return old == NULL || memcmp(old, &new, sizeof(new)); } else { return old != NULL; @@ -163,7 +166,7 @@ int bch2_bkey_set_needs_rebalance(struct bch_fs *c, struct bch_io_opts *opts, k.k->u64s += sizeof(*old) / sizeof(u64); } - *old = io_opts_to_rebalance_opts(opts); + *old = io_opts_to_rebalance_opts(c, opts); } else { if (old) extent_entry_drop(k, (union bch_extent_entry *) old); @@ -343,7 +346,7 @@ static struct bkey_s_c next_rebalance_extent(struct btree_trans *trans, memset(data_opts, 0, sizeof(*data_opts)); data_opts->rewrite_ptrs = bch2_bkey_ptrs_need_rebalance(c, io_opts, k); data_opts->target = io_opts->background_target; - data_opts->write_flags |= BCH_WRITE_ONLY_SPECIFIED_DEVS; + data_opts->write_flags |= BCH_WRITE_only_specified_devs; if (!data_opts->rewrite_ptrs) { /* @@ -451,7 +454,7 @@ static bool rebalance_pred(struct bch_fs *c, void *arg, { data_opts->rewrite_ptrs = bch2_bkey_ptrs_need_rebalance(c, io_opts, k); data_opts->target = io_opts->background_target; - data_opts->write_flags |= BCH_WRITE_ONLY_SPECIFIED_DEVS; + data_opts->write_flags |= BCH_WRITE_only_specified_devs; return data_opts->rewrite_ptrs != 0; } @@ -592,8 +595,19 @@ static int bch2_rebalance_thread(void *arg) void bch2_rebalance_status_to_text(struct printbuf *out, struct bch_fs *c) { + printbuf_tabstop_push(out, 32); + struct bch_fs_rebalance *r = &c->rebalance; + /* print pending work */ + struct disk_accounting_pos acc = { .type = BCH_DISK_ACCOUNTING_rebalance_work, }; + u64 v; + bch2_accounting_mem_read(c, disk_accounting_pos_to_bpos(&acc), &v, 1); + + prt_printf(out, "pending work:\t"); + prt_human_readable_u64(out, v); + prt_printf(out, "\n\n"); + prt_str(out, bch2_rebalance_state_strs[r->state]); prt_newline(out); printbuf_indent_add(out, 2); @@ -602,15 +616,15 @@ void bch2_rebalance_status_to_text(struct printbuf *out, struct bch_fs *c) case BCH_REBALANCE_waiting: { u64 now = atomic64_read(&c->io_clock[WRITE].now); - prt_str(out, "io wait duration: "); + prt_printf(out, "io wait duration:\t"); bch2_prt_human_readable_s64(out, (r->wait_iotime_end - r->wait_iotime_start) << 9); prt_newline(out); - prt_str(out, "io wait remaining: "); + prt_printf(out, "io wait remaining:\t"); bch2_prt_human_readable_s64(out, (r->wait_iotime_end - now) << 9); prt_newline(out); - prt_str(out, "duration waited: "); + prt_printf(out, "duration waited:\t"); bch2_pr_time_units(out, ktime_get_real_ns() - r->wait_wallclock_start); prt_newline(out); break; @@ -623,6 +637,18 @@ void bch2_rebalance_status_to_text(struct printbuf *out, struct bch_fs *c) break; } prt_newline(out); + + rcu_read_lock(); + struct task_struct *t = rcu_dereference(c->rebalance.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); + } + printbuf_indent_sub(out, 2); } |