diff options
Diffstat (limited to 'libbcache/io.c')
| -rw-r--r-- | libbcache/io.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/libbcache/io.c b/libbcache/io.c index 7219b658..4112ea50 100644 --- a/libbcache/io.c +++ b/libbcache/io.c @@ -140,6 +140,8 @@ void bch_submit_wbio_replicas(struct bch_write_bio *wbio, struct cache_set *c, struct bch_write_bio *n; struct cache *ca; + BUG_ON(c->opts.nochanges); + wbio->split = false; wbio->c = c; @@ -738,7 +740,8 @@ void bch_write(struct closure *cl) !(op->flags & BCH_WRITE_CACHED), op->flags & BCH_WRITE_DISCARD); - if (!percpu_ref_tryget(&c->writes)) { + if (c->opts.nochanges || + !percpu_ref_tryget(&c->writes)) { __bcache_io_error(c, "read only"); op->error = -EROFS; bch_disk_reservation_put(c, &op->res); |