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Diffstat (limited to 'fs/bcachefs/alloc_background.c')
-rw-r--r--fs/bcachefs/alloc_background.c89
1 files changed, 45 insertions, 44 deletions
diff --git a/fs/bcachefs/alloc_background.c b/fs/bcachefs/alloc_background.c
index a09b9d00226a..10704f2d3af5 100644
--- a/fs/bcachefs/alloc_background.c
+++ b/fs/bcachefs/alloc_background.c
@@ -273,7 +273,7 @@ int bch2_alloc_v4_invalid(struct bch_fs *c, struct bkey_s_c k,
bkey_fsck_err_on(!bch2_bucket_sectors_dirty(*a.v),
c, err, alloc_key_dirty_sectors_0,
"data_type %s but dirty_sectors==0",
- bch2_data_types[a.v->data_type]);
+ bch2_data_type_str(a.v->data_type));
break;
case BCH_DATA_cached:
bkey_fsck_err_on(!a.v->cached_sectors ||
@@ -321,16 +321,12 @@ void bch2_alloc_to_text(struct printbuf *out, struct bch_fs *c, struct bkey_s_c
{
struct bch_alloc_v4 _a;
const struct bch_alloc_v4 *a = bch2_alloc_to_v4(k, &_a);
- unsigned i;
prt_newline(out);
printbuf_indent_add(out, 2);
- prt_printf(out, "gen %u oldest_gen %u data_type %s",
- a->gen, a->oldest_gen,
- a->data_type < BCH_DATA_NR
- ? bch2_data_types[a->data_type]
- : "(invalid data type)");
+ prt_printf(out, "gen %u oldest_gen %u data_type ", a->gen, a->oldest_gen);
+ bch2_prt_data_type(out, a->data_type);
prt_newline(out);
prt_printf(out, "journal_seq %llu", a->journal_seq);
prt_newline(out);
@@ -353,23 +349,6 @@ void bch2_alloc_to_text(struct printbuf *out, struct bch_fs *c, struct bkey_s_c
prt_printf(out, "fragmentation %llu", a->fragmentation_lru);
prt_newline(out);
prt_printf(out, "bp_start %llu", BCH_ALLOC_V4_BACKPOINTERS_START(a));
- prt_newline(out);
-
- if (BCH_ALLOC_V4_NR_BACKPOINTERS(a)) {
- struct bkey_s_c_alloc_v4 a_raw = bkey_s_c_to_alloc_v4(k);
- const struct bch_backpointer *bps = alloc_v4_backpointers_c(a_raw.v);
-
- prt_printf(out, "backpointers: %llu", BCH_ALLOC_V4_NR_BACKPOINTERS(a_raw.v));
- printbuf_indent_add(out, 2);
-
- for (i = 0; i < BCH_ALLOC_V4_NR_BACKPOINTERS(a_raw.v); i++) {
- prt_newline(out);
- bch2_backpointer_to_text(out, &bps[i]);
- }
-
- printbuf_indent_sub(out, 2);
- }
-
printbuf_indent_sub(out, 2);
}
@@ -839,7 +818,7 @@ int bch2_trigger_alloc(struct btree_trans *trans,
}
}
- if (!(flags & BTREE_TRIGGER_TRANSACTIONAL) && (flags & BTREE_TRIGGER_INSERT)) {
+ if ((flags & BTREE_TRIGGER_ATOMIC) && (flags & BTREE_TRIGGER_INSERT)) {
struct bch_alloc_v4 *new_a = bkey_s_to_alloc_v4(new).v;
u64 journal_seq = trans->journal_res.seq;
u64 bucket_journal_seq = new_a->journal_seq;
@@ -1625,13 +1604,36 @@ int bch2_check_alloc_to_lru_refs(struct bch_fs *c)
return ret;
}
+struct discard_buckets_state {
+ u64 seen;
+ u64 open;
+ u64 need_journal_commit;
+ u64 discarded;
+ struct bch_dev *ca;
+ u64 need_journal_commit_this_dev;
+};
+
+static void discard_buckets_next_dev(struct bch_fs *c, struct discard_buckets_state *s, struct bch_dev *ca)
+{
+ if (s->ca == ca)
+ return;
+
+ if (s->ca && s->need_journal_commit_this_dev >
+ bch2_dev_usage_read(s->ca).d[BCH_DATA_free].buckets)
+ bch2_journal_flush_async(&c->journal, NULL);
+
+ if (s->ca)
+ percpu_ref_put(&s->ca->ref);
+ if (ca)
+ percpu_ref_get(&ca->ref);
+ s->ca = ca;
+ s->need_journal_commit_this_dev = 0;
+}
+
static int bch2_discard_one_bucket(struct btree_trans *trans,
struct btree_iter *need_discard_iter,
struct bpos *discard_pos_done,
- u64 *seen,
- u64 *open,
- u64 *need_journal_commit,
- u64 *discarded)
+ struct discard_buckets_state *s)
{
struct bch_fs *c = trans->c;
struct bpos pos = need_discard_iter->pos;
@@ -1643,20 +1645,24 @@ static int bch2_discard_one_bucket(struct btree_trans *trans,
int ret = 0;
ca = bch_dev_bkey_exists(c, pos.inode);
+
if (!percpu_ref_tryget(&ca->io_ref)) {
bch2_btree_iter_set_pos(need_discard_iter, POS(pos.inode + 1, 0));
return 0;
}
+ discard_buckets_next_dev(c, s, ca);
+
if (bch2_bucket_is_open_safe(c, pos.inode, pos.offset)) {
- (*open)++;
+ s->open++;
goto out;
}
if (bch2_bucket_needs_journal_commit(&c->buckets_waiting_for_journal,
c->journal.flushed_seq_ondisk,
pos.inode, pos.offset)) {
- (*need_journal_commit)++;
+ s->need_journal_commit++;
+ s->need_journal_commit_this_dev++;
goto out;
}
@@ -1732,9 +1738,9 @@ write:
goto out;
count_event(c, bucket_discard);
- (*discarded)++;
+ s->discarded++;
out:
- (*seen)++;
+ s->seen++;
bch2_trans_iter_exit(trans, &iter);
percpu_ref_put(&ca->io_ref);
printbuf_exit(&buf);
@@ -1744,7 +1750,7 @@ out:
static void bch2_do_discards_work(struct work_struct *work)
{
struct bch_fs *c = container_of(work, struct bch_fs, discard_work);
- u64 seen = 0, open = 0, need_journal_commit = 0, discarded = 0;
+ struct discard_buckets_state s = {};
struct bpos discard_pos_done = POS_MAX;
int ret;
@@ -1756,19 +1762,14 @@ static void bch2_do_discards_work(struct work_struct *work)
ret = bch2_trans_run(c,
for_each_btree_key(trans, iter,
BTREE_ID_need_discard, POS_MIN, 0, k,
- bch2_discard_one_bucket(trans, &iter, &discard_pos_done,
- &seen,
- &open,
- &need_journal_commit,
- &discarded)));
-
- if (need_journal_commit * 2 > seen)
- bch2_journal_flush_async(&c->journal, NULL);
+ bch2_discard_one_bucket(trans, &iter, &discard_pos_done, &s)));
- bch2_write_ref_put(c, BCH_WRITE_REF_discard);
+ discard_buckets_next_dev(c, &s, NULL);
- trace_discard_buckets(c, seen, open, need_journal_commit, discarded,
+ trace_discard_buckets(c, s.seen, s.open, s.need_journal_commit, s.discarded,
bch2_err_str(ret));
+
+ bch2_write_ref_put(c, BCH_WRITE_REF_discard);
}
void bch2_do_discards(struct bch_fs *c)
generated by cgit (git 2.34.1) at 2024-05-24 15:18:35 +0000