bcachefs: fix mempool double initialization

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

diff --git a/fs/bcachefs/compress.c b/fs/bcachefs/compress.c
index 42ae4cfdcb6b39b278bc2a460962243cf9336d3c..6b5b61f10fcbb1d2f2bb05e06b166a5819051395 100644 (file)
--- a/fs/bcachefs/compress.c
+++ b/fs/bcachefs/compress.c
@@ -596,11 +596,13 @@ have_compressed:
                        goto out;
        }
 
-       ret = mempool_init_kmalloc_pool(
-                       &c->decompress_workspace,
-                       1, decompress_workspace_size);
-       if (ret)
-               goto out;
+       if (!mempool_initialized(&c->decompress_workspace)) {
+               ret = mempool_init_kmalloc_pool(
+                               &c->decompress_workspace,
+                               1, decompress_workspace_size);
+               if (ret)
+                       goto out;
+       }
 out:
        pr_verbose_init(c->opts, "ret %i", ret);
        return ret;