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| author | Kent Overstreet <kent.overstreet@gmail.com> | 2020-11-02 23:51:33 -0500 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@gmail.com> | 2020-11-05 12:45:15 -0500 |
| commit | 357cedf1a277a54bbdd5b0d359adb397df2ea662 (patch) | |
| tree | 441a33a80e7510ee48a4f4987a33530b4dff0642 /fs/bcachefs/super.c | |
| parent | d0e58c76e2d6812556ae4bb93869a8e5faa2477a (diff) | |
bcachefs: Improved inode create optimization
This shards new inodes into different btree nodes by using the processor
ID for the high bits of the new inode number. Much faster than the
previous inode create optimization - this also helps with sharding in
the other btrees that index by inode number.
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Diffstat (limited to 'fs/bcachefs/super.c')
| -rw-r--r-- | fs/bcachefs/super.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/bcachefs/super.c b/fs/bcachefs/super.c index 0be1e2eec70b..ad1967d5a47d 100644 --- a/fs/bcachefs/super.c +++ b/fs/bcachefs/super.c @@ -485,6 +485,7 @@ static void __bch2_fs_free(struct bch_fs *c) kfree(c->replicas_gc.entries); kfree(rcu_dereference_protected(c->disk_groups, 1)); kfree(c->journal_seq_blacklist_table); + kfree(c->unused_inode_hints); free_heap(&c->copygc_heap); if (c->journal_reclaim_wq) @@ -696,7 +697,6 @@ static struct bch_fs *bch2_fs_alloc(struct bch_sb *sb, struct bch_opts opts) seqcount_init(&c->usage_lock); sema_init(&c->io_in_flight, 64); - mutex_init(&c->inode_create_lock); c->copy_gc_enabled = 1; c->rebalance.enabled = 1; @@ -737,6 +737,8 @@ static struct bch_fs *bch2_fs_alloc(struct bch_sb *sb, struct bch_opts opts) (btree_blocks(c) + 1) * 2 * sizeof(struct sort_iter_set); + c->inode_shard_bits = ilog2(roundup_pow_of_two(num_possible_cpus())); + if (!(c->wq = alloc_workqueue("bcachefs", WQ_FREEZABLE|WQ_MEM_RECLAIM|WQ_CPU_INTENSIVE, 1)) || !(c->copygc_wq = alloc_workqueue("bcachefs_copygc", @@ -754,6 +756,8 @@ static struct bch_fs *bch2_fs_alloc(struct bch_sb *sb, struct bch_opts opts) mempool_init_kvpmalloc_pool(&c->btree_bounce_pool, 1, btree_bytes(c)) || mempool_init_kmalloc_pool(&c->large_bkey_pool, 1, 2048) || + !(c->unused_inode_hints = kcalloc(1U << c->inode_shard_bits, + sizeof(u64), GFP_KERNEL)) || bch2_io_clock_init(&c->io_clock[READ]) || bch2_io_clock_init(&c->io_clock[WRITE]) || bch2_fs_journal_init(&c->journal) || |