bcachefs: Delete some dead code in bch2_replicas_gc_end()

bch2_replicas_gc_(start|end) is now only used for journal replicas
entries, which don't have bucket sector counts - so this code is
entirely dead and can be deleted.

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

diff --git a/fs/bcachefs/replicas.c b/fs/bcachefs/replicas.c
index 8ae50dfd8c8c0f14e4ee6b764a9faa886c909b5f..76efbfce7683bca0c30dc53accd0049ba170810b 100644 (file)
--- a/fs/bcachefs/replicas.c
+++ b/fs/bcachefs/replicas.c
@@ -460,36 +460,11 @@ int bch2_replicas_delta_list_mark(struct bch_fs *c,
 
 int bch2_replicas_gc_end(struct bch_fs *c, int ret)
 {
-       unsigned i;
-
        lockdep_assert_held(&c->replicas_gc_lock);
 
        mutex_lock(&c->sb_lock);
        percpu_down_write(&c->mark_lock);
 
-       /*
-        * this is kind of crappy; the replicas gc mechanism needs to be ripped
-        * out
-        */
-
-       for (i = 0; i < c->replicas.nr; i++) {
-               struct bch_replicas_entry *e =
-                       cpu_replicas_entry(&c->replicas, i);
-               struct bch_replicas_cpu n;
-
-               if (!__replicas_has_entry(&c->replicas_gc, e) &&
-                   bch2_fs_usage_read_one(c, &c->usage_base->replicas[i])) {
-                       n = cpu_replicas_add_entry(&c->replicas_gc, e);
-                       if (!n.entries) {
-                               ret = -BCH_ERR_ENOMEM_cpu_replicas;
-                               goto err;
-                       }
-
-                       swap(n, c->replicas_gc);
-                       kfree(n.entries);
-               }
-       }
-
        ret = bch2_cpu_replicas_to_sb_replicas(c, &c->replicas_gc);
        if (ret)
                goto err;