bcachefs: increase max_active on io_complete_wq

this definitely should _not_ be 1, and we don't actually want any
concurrency limiting at all here - btree node read completions are
getting blocked behind btree node write submissions.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

diff --git a/fs/bcachefs/super.c b/fs/bcachefs/super.c
index 64ff7da498604365c0360191c75034929bd81ddd..84798059bc21a3576f7939d8d2f6c0864cb8f51e 100644 (file)
--- a/fs/bcachefs/super.c
+++ b/fs/bcachefs/super.c
@@ -868,7 +868,7 @@ static struct bch_fs *bch2_fs_alloc(struct bch_sb *sb, struct bch_opts opts)
            !(c->copygc_wq = alloc_workqueue("bcachefs_copygc",
                                WQ_FREEZABLE|WQ_MEM_RECLAIM|WQ_CPU_INTENSIVE, 1)) ||
            !(c->io_complete_wq = alloc_workqueue("bcachefs_io",
-                               WQ_FREEZABLE|WQ_HIGHPRI|WQ_MEM_RECLAIM, 1)) ||
+                               WQ_FREEZABLE|WQ_HIGHPRI|WQ_MEM_RECLAIM, 512)) ||
            !(c->write_ref_wq = alloc_workqueue("bcachefs_write_ref",
                                WQ_FREEZABLE, 0)) ||
 #ifndef BCH_WRITE_REF_DEBUG