1 files changed, 17 insertions, 10 deletions

diff --git a/fs/bcachefs/buckets_waiting_for_journal.c b/fs/bcachefs/buckets_waiting_for_journal.c
index ec1b636ef78d..c8a488e6b7b8 100644
--- a/fs/bcachefs/buckets_waiting_for_journal.c
+++ b/fs/bcachefs/buckets_waiting_for_journal.c
@@ -22,23 +22,21 @@ static void bucket_table_init(struct buckets_waiting_for_journal_table *t, size_
 	memset(t->d, 0, sizeof(t->d[0]) << t->bits);
 }
 
-bool bch2_bucket_needs_journal_commit(struct buckets_waiting_for_journal *b,
-				      u64 flushed_seq,
-				      unsigned dev, u64 bucket)
+u64 bch2_bucket_journal_seq_ready(struct buckets_waiting_for_journal *b,
+				  unsigned dev, u64 bucket)
 {
 	struct buckets_waiting_for_journal_table *t;
 	u64 dev_bucket = (u64) dev << 56 | bucket;
-	bool ret = false;
-	unsigned i;
+	u64 ret = 0;
 
 	mutex_lock(&b->lock);
 	t = b->t;
 
-	for (i = 0; i < ARRAY_SIZE(t->hash_seeds); i++) {
+	for (unsigned i = 0; i < ARRAY_SIZE(t->hash_seeds); i++) {
 		struct bucket_hashed *h = bucket_hash(t, i, dev_bucket);
 
 		if (h->dev_bucket == dev_bucket) {
-			ret = h->journal_seq > flushed_seq;
+			ret = h->journal_seq;
 			break;
 		}
 	}
@@ -93,7 +91,7 @@ int bch2_set_bucket_needs_journal_commit(struct buckets_waiting_for_journal *b,
 		.dev_bucket	= (u64) dev << 56 | bucket,
 		.journal_seq	= journal_seq,
 	};
-	size_t i, size, new_bits, nr_elements = 1, nr_rehashes = 0;
+	size_t i, size, new_bits, nr_elements = 1, nr_rehashes = 0, nr_rehashes_this_size = 0;
 	int ret = 0;
 
 	mutex_lock(&b->lock);
@@ -106,8 +104,8 @@ int bch2_set_bucket_needs_journal_commit(struct buckets_waiting_for_journal *b,
 	for (i = 0; i < size; i++)
 		nr_elements += t->d[i].journal_seq > flushed_seq;
 
-	new_bits = t->bits + (nr_elements * 3 > size);
-
+	new_bits = ilog2(roundup_pow_of_two(nr_elements * 3));
+realloc:
 	n = kvmalloc(sizeof(*n) + (sizeof(n->d[0]) << new_bits), GFP_KERNEL);
 	if (!n) {
 		ret = -BCH_ERR_ENOMEM_buckets_waiting_for_journal_set;
@@ -115,7 +113,16 @@ int bch2_set_bucket_needs_journal_commit(struct buckets_waiting_for_journal *b,
 	}
 
 retry_rehash:
+	if (nr_rehashes_this_size == 3) {
+		new_bits++;
+		nr_rehashes_this_size = 0;
+		kvfree(n);
+		goto realloc;
+	}
+
 	nr_rehashes++;
+	nr_rehashes_this_size++;
+
 	bucket_table_init(n, new_bits);
 
 	tmp = new;