diff options
Diffstat (limited to 'fs/bcachefs/buckets_waiting_for_journal.c')
| -rw-r--r-- | fs/bcachefs/buckets_waiting_for_journal.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/fs/bcachefs/buckets_waiting_for_journal.c b/fs/bcachefs/buckets_waiting_for_journal.c index ec1b636ef78d..f9fb150eda70 100644 --- a/fs/bcachefs/buckets_waiting_for_journal.c +++ b/fs/bcachefs/buckets_waiting_for_journal.c @@ -93,7 +93,7 @@ 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 +106,8 @@ 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 +115,16 @@ 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; |