btrfs: put some enospc messages under enospc_debug

The warning in use_block_rsv is not useful for users and may fill
the logs unnecessarily.

Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>

1 files changed, 15 insertions, 11 deletions

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 51e1151a0a02..88831fab85d6 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -6408,12 +6408,14 @@ use_block_rsv(struct btrfs_trans_handle *trans,
         if (!ret)
                 return block_rsv;
         if (ret && !block_rsv->failfast) {
-                static DEFINE_RATELIMIT_STATE(_rs,
-                                DEFAULT_RATELIMIT_INTERVAL,
-                                /*DEFAULT_RATELIMIT_BURST*/ 2);
-                if (__ratelimit(&_rs))
-                        WARN(1, KERN_DEBUG "btrfs: block rsv returned %d\n",
-                             ret);
+                if (btrfs_test_opt(root, ENOSPC_DEBUG)) {
+                        static DEFINE_RATELIMIT_STATE(_rs,
+                                        DEFAULT_RATELIMIT_INTERVAL * 10,
+                                        /*DEFAULT_RATELIMIT_BURST*/ 1);
+                        if (__ratelimit(&_rs))
+                                WARN(1, KERN_DEBUG
+                                        "btrfs: block rsv returned %d\n", ret);
+                }
                 ret = reserve_metadata_bytes(root, block_rsv, blocksize,
                                              BTRFS_RESERVE_NO_FLUSH);
                 if (!ret) {
@@ -7730,11 +7732,13 @@ int btrfs_free_block_groups(struct btrfs_fs_info *info)
                 space_info = list_entry(info->space_info.next,
                                         struct btrfs_space_info,
                                         list);
-                if (space_info->bytes_pinned > 0 ||
-                    space_info->bytes_reserved > 0 ||
-                    space_info->bytes_may_use > 0) {
-                        WARN_ON(1);
-                        dump_space_info(space_info, 0, 0);
+                if (btrfs_test_opt(info->tree_root, ENOSPC_DEBUG)) {
+                        if (space_info->bytes_pinned > 0 ||
+                            space_info->bytes_reserved > 0 ||
+                            space_info->bytes_may_use > 0) {
+                                WARN_ON(1);
+                                dump_space_info(space_info, 0, 0);
+                        }
                 }
                 list_del(&space_info->list);
                 kfree(space_info);