bcachefs: bch_err_(fn|msg) check if should print

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

fs/bcachefs/alloc_background.c

@@ -1470,8 +1470,7 @@ int bch2_check_alloc_info(struct bch_fs *c)
 		bch2_check_bucket_gens_key(trans, &iter, k));
 err:
 	bch2_trans_put(trans);
-	if (ret)
-		bch_err_fn(c, ret);
+	bch_err_fn(c, ret);
 	return ret;
 }
 

fs/bcachefs/backpointers.c

@@ -393,15 +393,13 @@ int bch2_check_btree_backpointers(struct bch_fs *c)
 {
 	struct btree_iter iter;
 	struct bkey_s_c k;
-	int ret;
 
-	ret = bch2_trans_run(c,
+	int ret = bch2_trans_run(c,
 		for_each_btree_key_commit(trans, iter,
 			BTREE_ID_backpointers, POS_MIN, 0, k,
 			NULL, NULL, BCH_TRANS_COMMIT_no_enospc,
 		  bch2_check_btree_backpointer(trans, &iter, k)));
-	if (ret)
-		bch_err_fn(c, ret);
+	bch_err_fn(c, ret);
 	return ret;
 }
 
@@ -769,8 +767,7 @@ int bch2_check_extents_to_backpointers(struct bch_fs *c)
 	}
 	bch2_trans_put(trans);
 
-	if (ret)
-		bch_err_fn(c, ret);
+	bch_err_fn(c, ret);
 	return ret;
 }
 
@@ -877,7 +874,6 @@ int bch2_check_backpointers_to_extents(struct bch_fs *c)
 	}
 	bch2_trans_put(trans);
 
-	if (ret)
-		bch_err_fn(c, ret);
+	bch_err_fn(c, ret);
 	return ret;
 }

fs/bcachefs/bcachefs.h

@@ -315,15 +315,20 @@ do {									\
 #define bch_err_inum_offset_ratelimited(c, _inum, _offset, fmt, ...) \
 	bch2_print_ratelimited(c, KERN_ERR bch2_fmt_inum_offset(c, _inum, _offset, fmt), ##__VA_ARGS__)
 
+static inline bool should_print_err(int err)
+{
+	return err && !bch2_err_matches(err, BCH_ERR_transaction_restart);
+}
+
 #define bch_err_fn(_c, _ret)						\
 do {									\
-	if (_ret && !bch2_err_matches(_ret, BCH_ERR_transaction_restart))\
+	if (should_print_err(_ret))					\
 		bch_err(_c, "%s(): error %s", __func__, bch2_err_str(_ret));\
 } while (0)
 
 #define bch_err_msg(_c, _ret, _msg, ...)				\
 do {									\
-	if (_ret && !bch2_err_matches(_ret, BCH_ERR_transaction_restart))\
+	if (should_print_err(_ret))					\
 		bch_err(_c, "%s(): error " _msg " %s", __func__,	\
 			##__VA_ARGS__, bch2_err_str(_ret));		\
 } while (0)

fs/bcachefs/btree_gc.c

@@ -414,10 +414,9 @@ static int bch2_btree_repair_topology_recurse(struct btree_trans *trans, struct
 			continue;
 		}
 
-		if (ret) {
-			bch_err_msg(c, ret, "getting btree node");
+		bch_err_msg(c, ret, "getting btree node");
+		if (ret)
 			break;
-		}
 
 		ret = btree_repair_node_boundaries(c, b, prev, cur);
 
@@ -482,10 +481,9 @@ static int bch2_btree_repair_topology_recurse(struct btree_trans *trans, struct
 					false);
 		ret = PTR_ERR_OR_ZERO(cur);
 
-		if (ret) {
-			bch_err_msg(c, ret, "getting btree node");
+		bch_err_msg(c, ret, "getting btree node");
+		if (ret)
 			goto err;
-		}
 
 		ret = bch2_btree_repair_topology_recurse(trans, cur);
 		six_unlock_read(&cur->c.lock);
@@ -707,8 +705,8 @@ static int bch2_check_fix_ptrs(struct btree_trans *trans, enum btree_id btree_id
 
 		new = kmalloc(bkey_bytes(k->k), GFP_KERNEL);
 		if (!new) {
-			bch_err_msg(c, ret, "allocating new key");
 			ret = -BCH_ERR_ENOMEM_gc_repair_key;
+			bch_err_msg(c, ret, "allocating new key");
 			goto err;
 		}
 
@@ -834,8 +832,7 @@ static int bch2_gc_mark_key(struct btree_trans *trans, enum btree_id btree_id,
 			bch2_mark_key(trans, btree_id, level, old, *k, flags));
 fsck_err:
 err:
-	if (ret)
-		bch_err_fn(c, ret);
+	bch_err_fn(c, ret);
 	return ret;
 }
 
@@ -1068,8 +1065,7 @@ static int bch2_gc_btree_init(struct btree_trans *trans,
 fsck_err:
 	six_unlock_read(&b->c.lock);
 
-	if (ret < 0)
-		bch_err_fn(c, ret);
+	bch_err_fn(c, ret);
 	printbuf_exit(&buf);
 	return ret;
 }
@@ -1105,10 +1101,8 @@ static int bch2_gc_btrees(struct bch_fs *c, bool initial, bool metadata_only)
 			: bch2_gc_btree(trans, i, initial, metadata_only);
 	}
 
-	if (ret < 0)
-		bch_err_fn(c, ret);
-
 	bch2_trans_put(trans);
+	bch_err_fn(c, ret);
 	return ret;
 }
 
@@ -1304,8 +1298,7 @@ static int bch2_gc_done(struct bch_fs *c,
 fsck_err:
 	if (ca)
 		percpu_ref_put(&ca->ref);
-	if (ret)
-		bch_err_fn(c, ret);
+	bch_err_fn(c, ret);
 
 	percpu_up_write(&c->mark_lock);
 	printbuf_exit(&buf);
@@ -1563,8 +1556,7 @@ static int bch2_gc_alloc_start(struct bch_fs *c, bool metadata_only)
 	}));
 err:
 	bch2_trans_put(trans);
-	if (ret)
-		bch_err_fn(c, ret);
+	bch_err_fn(c, ret);
 	return ret;
 }
 
@@ -1659,6 +1651,7 @@ static int bch2_gc_reflink_done(struct bch_fs *c, bool metadata_only)
 
 	c->reflink_gc_nr = 0;
 	bch2_trans_put(trans);
+	bch_err_fn(c, ret);
 	return ret;
 }
 
@@ -1896,9 +1889,7 @@ int bch2_gc(struct bch_fs *c, bool initial, bool metadata_only)
 	 * allocator thread - issue wakeup in case they blocked on gc_lock:
 	 */
 	closure_wake_up(&c->freelist_wait);
-
-	if (ret)
-		bch_err_fn(c, ret);
+	bch_err_fn(c, ret);
 	return ret;
 }
 
@@ -2015,7 +2006,7 @@ int bch2_gc_gens(struct bch_fs *c)
 					NULL, NULL,
 					BCH_TRANS_COMMIT_no_enospc,
 				gc_btree_gens_key(trans, &iter, k));
-			if (ret && !bch2_err_matches(ret, EROFS))
+			if (!bch2_err_matches(ret, EROFS))
 				bch_err_fn(c, ret);
 			if (ret)
 				goto err;
@@ -2028,7 +2019,7 @@ int bch2_gc_gens(struct bch_fs *c)
 			NULL, NULL,
 			BCH_TRANS_COMMIT_no_enospc,
 		bch2_alloc_write_oldest_gen(trans, &iter, k));
-	if (ret && !bch2_err_matches(ret, EROFS))
+	if (!bch2_err_matches(ret, EROFS))
 		bch_err_fn(c, ret);
 	if (ret)
 		goto err;
@@ -2058,7 +2049,6 @@ static int bch2_gc_thread(void *arg)
 	struct io_clock *clock = &c->io_clock[WRITE];
 	unsigned long last = atomic64_read(&clock->now);
 	unsigned last_kick = atomic_read(&c->kick_gc);
-	int ret;
 
 	set_freezable();
 
@@ -2098,11 +2088,8 @@ static int bch2_gc_thread(void *arg)
 #if 0
 		ret = bch2_gc(c, false, false);
 #else
-		ret = bch2_gc_gens(c);
+		bch2_gc_gens(c);
 #endif
-		if (ret < 0)
-			bch_err_fn(c, ret);
-
 		debug_check_no_locks_held();
 	}
 

fs/bcachefs/btree_update_interior.c

@@ -2054,8 +2054,7 @@ static void async_btree_node_rewrite_work(struct work_struct *work)
 
 	ret = bch2_trans_do(c, NULL, NULL, 0,
 		      async_btree_node_rewrite_trans(trans, a));
-	if (ret)
-		bch_err_fn(c, ret);
+	bch_err_fn(c, ret);
 	bch2_write_ref_put(c, BCH_WRITE_REF_node_rewrite);
 	kfree(a);
 }
@@ -2093,8 +2092,8 @@ void bch2_btree_node_rewrite_async(struct bch_fs *c, struct btree *b)
 		}
 
 		ret = bch2_fs_read_write_early(c);
+		bch_err_msg(c, ret, "going read-write");
 		if (ret) {
-			bch_err_msg(c, ret, "going read-write");
 			kfree(a);
 			return;
 		}

fs/bcachefs/buckets.c

@@ -1760,8 +1760,7 @@ int bch2_trans_mark_dev_sb(struct bch_fs *c, struct bch_dev *ca)
 {
 	int ret = bch2_trans_run(c, __bch2_trans_mark_dev_sb(trans, ca));
 
-	if (ret)
-		bch_err_fn(c, ret);
+	bch_err_fn(c, ret);
 	return ret;
 }
 

fs/bcachefs/ec.c

@@ -791,28 +791,22 @@ static void ec_stripe_delete_work(struct work_struct *work)
 {
 	struct bch_fs *c =
 		container_of(work, struct bch_fs, ec_stripe_delete_work);
-	struct btree_trans *trans = bch2_trans_get(c);
-	int ret;
-	u64 idx;
 
 	while (1) {
 		mutex_lock(&c->ec_stripes_heap_lock);
-		idx = stripe_idx_to_delete(c);
+		u64 idx = stripe_idx_to_delete(c);
 		mutex_unlock(&c->ec_stripes_heap_lock);
 
 		if (!idx)
 			break;
 
-		ret = commit_do(trans, NULL, NULL, BCH_TRANS_COMMIT_no_enospc,
-				ec_stripe_delete(trans, idx));
-		if (ret) {
-			bch_err_fn(c, ret);
+		int ret = bch2_trans_do(c, NULL, NULL, BCH_TRANS_COMMIT_no_enospc,
+					ec_stripe_delete(trans, idx));
+		bch_err_fn(c, ret);
+		if (ret)
 			break;
-		}
 	}
 
-	bch2_trans_put(trans);
-
 	bch2_write_ref_put(c, BCH_WRITE_REF_stripe_delete);
 }
 
@@ -1126,16 +1120,15 @@ static void ec_stripe_create(struct ec_stripe_new *s)
 			    ec_stripe_key_update(trans,
 					bkey_i_to_stripe(&s->new_stripe.key),
 					!s->have_existing_stripe));
+	bch_err_msg(c, ret, "creating stripe key");
 	if (ret) {
-		bch_err(c, "error creating stripe: error creating stripe key");
 		goto err;
 	}
 
 	ret = ec_stripe_update_extents(c, &s->new_stripe);
-	if (ret) {
-		bch_err_msg(c, ret, "creating stripe: error updating pointers");
+	bch_err_msg(c, ret, "error updating extents");
+	if (ret)
 		goto err;
-	}
 err:
 	bch2_disk_reservation_put(c, &s->res);
 
@@ -1865,7 +1858,6 @@ int bch2_stripes_read(struct bch_fs *c)
 			bch2_stripes_heap_insert(c, m, k.k->p.offset);
 			0;
 		})));
-
 	bch_err_fn(c, ret);
 	return ret;
 }

fs/bcachefs/fs.c

@@ -1012,15 +1012,13 @@ static int bch2_vfs_readdir(struct file *file, struct dir_context *ctx)
 {
 	struct bch_inode_info *inode = file_bch_inode(file);
 	struct bch_fs *c = inode->v.i_sb->s_fs_info;
-	int ret;
 
 	if (!dir_emit_dots(file, ctx))
 		return 0;
 
-	ret = bch2_readdir(c, inode_inum(inode), ctx);
-	if (ret)
-		bch_err_fn(c, ret);
+	int ret = bch2_readdir(c, inode_inum(inode), ctx);
 
+	bch_err_fn(c, ret);
 	return bch2_err_class(ret);
 }
 
@@ -1944,10 +1942,9 @@ static struct dentry *bch2_mount(struct file_system_type *fs_type,
 
 	vinode = bch2_vfs_inode_get(c, BCACHEFS_ROOT_SUBVOL_INUM);
 	ret = PTR_ERR_OR_ZERO(vinode);
-	if (ret) {
-		bch_err_msg(c, ret, "mounting: error getting root inode");
+	bch_err_msg(c, ret, "mounting: error getting root inode");
+	if (ret)
 		goto err_put_super;
-	}
 
 	sb->s_root = d_make_root(vinode);
 	if (!sb->s_root) {

fs/bcachefs/fsck.c

@@ -209,8 +209,7 @@ static int fsck_write_inode(struct btree_trans *trans,
 {
 	int ret = commit_do(trans, NULL, NULL, BCH_TRANS_COMMIT_no_enospc,
 			    __write_inode(trans, inode, snapshot));
-	if (ret)
-		bch_err_fn(trans->c, ret);
+	bch_err_fn(trans->c, ret);
 	return ret;
 }
 
@@ -2427,7 +2426,6 @@ static int fix_reflink_p_key(struct btree_trans *trans, struct btree_iter *iter,
 {
 	struct bkey_s_c_reflink_p p;
 	struct bkey_i_reflink_p *u;
-	int ret;
 
 	if (k.k->type != KEY_TYPE_reflink_p)
 		return 0;
@@ -2438,7 +2436,7 @@ static int fix_reflink_p_key(struct btree_trans *trans, struct btree_iter *iter,
 		return 0;
 
 	u = bch2_trans_kmalloc(trans, sizeof(*u));
-	ret = PTR_ERR_OR_ZERO(u);
+	int ret = PTR_ERR_OR_ZERO(u);
 	if (ret)
 		return ret;
 

fs/bcachefs/inode.c

@@ -1200,6 +1200,6 @@ int bch2_delete_dead_inodes(struct bch_fs *c)
 	}
 err:
 	bch2_trans_put(trans);
-
+	bch_err_fn(c, ret);
 	return ret;
 }

fs/bcachefs/journal.c

@@ -993,8 +993,7 @@ int bch2_set_nr_journal_buckets(struct bch_fs *c, struct bch_dev *ca,
 			break;
 	}
 
-	if (ret)
-		bch_err_fn(c, ret);
+	bch_err_fn(c, ret);
 unlock:
 	up_write(&c->state_lock);
 	return ret;
@@ -1024,8 +1023,7 @@ int bch2_dev_journal_alloc(struct bch_dev *ca)
 
 	ret = __bch2_set_nr_journal_buckets(ca, nr, true, NULL);
 err:
-	if (ret)
-		bch_err_fn(ca, ret);
+	bch_err_fn(ca, ret);
 	return ret;
 }
 

fs/bcachefs/journal_reclaim.c

@@ -793,10 +793,9 @@ int bch2_journal_reclaim_start(struct journal *j)
 	p = kthread_create(bch2_journal_reclaim_thread, j,
 			   "bch-reclaim/%s", c->name);
 	ret = PTR_ERR_OR_ZERO(p);
-	if (ret) {
-		bch_err_msg(c, ret, "creating journal reclaim thread");
+	bch_err_msg(c, ret, "creating journal reclaim thread");
+	if (ret)
 		return ret;
-	}
 
 	get_task_struct(p);
 	j->reclaim_thread = p;

fs/bcachefs/logged_ops.c

@@ -63,8 +63,7 @@ int bch2_resume_logged_ops(struct bch_fs *c)
 				   BTREE_ID_logged_ops, POS_MIN,
 				   BTREE_ITER_PREFETCH, k,
 			resume_logged_op(trans, &iter, k)));
-	if (ret)
-		bch_err_fn(c, ret);
+	bch_err_fn(c, ret);
 	return ret;
 }
 

fs/bcachefs/lru.c

@@ -157,8 +157,7 @@ int bch2_check_lrus(struct bch_fs *c)
 				BTREE_ID_lru, POS_MIN, BTREE_ITER_PREFETCH, k,
 				NULL, NULL, BCH_TRANS_COMMIT_no_enospc|BCH_TRANS_COMMIT_lazy_rw,
 			bch2_check_lru_key(trans, &iter, k, &last_flushed_pos)));
-	if (ret)
-		bch_err_fn(c, ret);
+	bch_err_fn(c, ret);
 	return ret;
 
 }

fs/bcachefs/migrate.c

@@ -145,10 +145,9 @@ static int bch2_dev_metadata_drop(struct bch_fs *c, unsigned dev_idx, int flags)
 				continue;
 			}
 
-			if (ret) {
-				bch_err_msg(c, ret, "updating btree node key");
+			bch_err_msg(c, ret, "updating btree node key");
+			if (ret)
 				break;
-			}
 next:
 			bch2_btree_iter_next_node(&iter);
 		}

fs/bcachefs/move.c

@@ -669,10 +669,9 @@ int bch2_evacuate_bucket(struct moving_context *ctxt,
 			bkey_err(k = bch2_btree_iter_peek_slot(&iter)));
 	bch2_trans_iter_exit(trans, &iter);
 
-	if (ret) {
-		bch_err_msg(c, ret, "looking up alloc key");
+	bch_err_msg(c, ret, "looking up alloc key");
+	if (ret)
 		goto err;
-	}
 
 	a = bch2_alloc_to_v4(k, &a_convert);
 	dirty_sectors = bch2_bucket_sectors_dirty(*a);

fs/bcachefs/movinggc.c

@@ -324,9 +324,9 @@ static int bch2_copygc_thread(void *arg)
 	if (!buckets)
 		return -ENOMEM;
 	ret = rhashtable_init(&buckets->table, &bch_move_bucket_params);
+	bch_err_msg(c, ret, "allocating copygc buckets in flight");
 	if (ret) {
 		kfree(buckets);
-		bch_err_msg(c, ret, "allocating copygc buckets in flight");
 		return ret;
 	}
 
@@ -423,10 +423,9 @@ int bch2_copygc_start(struct bch_fs *c)
 
 	t = kthread_create(bch2_copygc_thread, c, "bch-copygc/%s", c->name);
 	ret = PTR_ERR_OR_ZERO(t);
-	if (ret) {
-		bch_err_msg(c, ret, "creating copygc thread");
+	bch_err_msg(c, ret, "creating copygc thread");
+	if (ret)
 		return ret;
-	}
 
 	get_task_struct(t);
 

fs/bcachefs/quota.c

@@ -626,8 +626,7 @@ int bch2_fs_quota_read(struct bch_fs *c)
 
 	bch2_trans_put(trans);
 
-	if (ret)
-		bch_err_fn(c, ret);
+	bch_err_fn(c, ret);
 	return ret;
 }
 

fs/bcachefs/rebalance.c

@@ -470,10 +470,9 @@ int bch2_rebalance_start(struct bch_fs *c)
 
 	p = kthread_create(bch2_rebalance_thread, c, "bch-rebalance/%s", c->name);
 	ret = PTR_ERR_OR_ZERO(p);
-	if (ret) {
-		bch_err_msg(c, ret, "creating rebalance thread");
+	bch_err_msg(c, ret, "creating rebalance thread");
+	if (ret)
 		return ret;
-	}
 
 	get_task_struct(p);
 	rcu_assign_pointer(c->rebalance.thread, p);

fs/bcachefs/recovery.c

@@ -463,8 +463,7 @@ static int bch2_initialize_subvolumes(struct bch_fs *c)
 	ret =   bch2_btree_insert(c, BTREE_ID_snapshot_trees,	&root_tree.k_i, NULL, 0) ?:
 		bch2_btree_insert(c, BTREE_ID_snapshots,	&root_snapshot.k_i, NULL, 0) ?:
 		bch2_btree_insert(c, BTREE_ID_subvolumes,	&root_volume.k_i, NULL, 0);
-	if (ret)
-		bch_err_fn(c, ret);
+	bch_err_fn(c, ret);
 	return ret;
 }
 
@@ -504,8 +503,7 @@ static int bch2_fs_upgrade_for_subvolumes(struct bch_fs *c)
 {
 	int ret = bch2_trans_do(c, NULL, NULL, BCH_TRANS_COMMIT_lazy_rw,
 				__bch2_fs_upgrade_for_subvolumes(trans));
-	if (ret)
-		bch_err_fn(c, ret);
+	bch_err_fn(c, ret);
 	return ret;
 }
 
@@ -1087,8 +1085,7 @@ int bch2_fs_recovery(struct bch_fs *c)
 		bch2_delete_dead_snapshots_async(c);
 	}
 
-	if (ret)
-		bch_err_fn(c, ret);
+	bch_err_fn(c, ret);
 	return ret;
 err:
 fsck_err:
@@ -1179,10 +1176,9 @@ int bch2_fs_initialize(struct bch_fs *c)
 	packed_inode.inode.k.p.snapshot = U32_MAX;
 
 	ret = bch2_btree_insert(c, BTREE_ID_inodes, &packed_inode.inode.k_i, NULL, 0);
-	if (ret) {
-		bch_err_msg(c, ret, "creating root directory");
+	bch_err_msg(c, ret, "creating root directory");
+	if (ret)
 		goto err;
-	}
 
 	bch2_inode_init_early(c, &lostfound_inode);
 
@@ -1193,10 +1189,9 @@ int bch2_fs_initialize(struct bch_fs *c)
 				  &lostfound,
 				  0, 0, S_IFDIR|0700, 0,
 				  NULL, NULL, (subvol_inum) { 0 }, 0));
-	if (ret) {
-		bch_err_msg(c, ret, "creating lost+found");
+	bch_err_msg(c, ret, "creating lost+found");
+	if (ret)
 		goto err;
-	}
 
 	c->recovery_pass_done = ARRAY_SIZE(recovery_pass_fns) - 1;
 
@@ -1207,10 +1202,9 @@ int bch2_fs_initialize(struct bch_fs *c)
 	}
 
 	ret = bch2_journal_flush(&c->journal);
-	if (ret) {
-		bch_err_msg(c, ret, "writing first journal entry");
+	bch_err_msg(c, ret, "writing first journal entry");
+	if (ret)
 		goto err;
-	}
 
 	mutex_lock(&c->sb_lock);
 	SET_BCH_SB_INITIALIZED(c->disk_sb.sb, true);

fs/bcachefs/snapshot.c

@@ -459,7 +459,6 @@ static int bch2_snapshot_tree_master_subvol(struct btree_trans *trans,
 	struct bch_fs *c = trans->c;
 	struct btree_iter iter;
 	struct bkey_s_c k;
-	struct bkey_s_c_subvolume s;
 	bool found = false;
 	int ret;
 
@@ -468,7 +467,7 @@ static int bch2_snapshot_tree_master_subvol(struct btree_trans *trans,
 		if (k.k->type != KEY_TYPE_subvolume)
 			continue;
 
-		s = bkey_s_c_to_subvolume(k);
+		struct bkey_s_c_subvolume s = bkey_s_c_to_subvolume(k);
 		if (!bch2_snapshot_is_ancestor(c, le32_to_cpu(s.v->snapshot), snapshot_root))
 			continue;
 		if (!BCH_SUBVOLUME_SNAP(s.v)) {
@@ -592,9 +591,7 @@ int bch2_check_snapshot_trees(struct bch_fs *c)
 			BTREE_ITER_PREFETCH, k,
 			NULL, NULL, BCH_TRANS_COMMIT_no_enospc,
 		check_snapshot_tree(trans, &iter, k)));
-
-	if (ret)
-		bch_err(c, "error %i checking snapshot trees", ret);
+	bch_err_fn(c, ret);
 	return ret;
 }
 
@@ -866,12 +863,11 @@ int bch2_check_snapshots(struct bch_fs *c)
 	 */
 	ret = bch2_trans_run(c,
 		for_each_btree_key_reverse_commit(trans, iter,
-			BTREE_ID_snapshots, POS_MAX,
-			BTREE_ITER_PREFETCH, k,
-			NULL, NULL, BCH_TRANS_COMMIT_no_enospc,
-		check_snapshot(trans, &iter, k)));
-	if (ret)
-		bch_err_fn(c, ret);
+				BTREE_ID_snapshots, POS_MAX,
+				BTREE_ITER_PREFETCH, k,
+				NULL, NULL, BCH_TRANS_COMMIT_no_enospc,
+			check_snapshot(trans, &iter, k)));
+	bch_err_fn(c, ret);
 	return ret;
 }
 
@@ -1381,10 +1377,9 @@ int bch2_delete_dead_snapshots(struct bch_fs *c)
 
 	if (!test_bit(BCH_FS_started, &c->flags)) {
 		ret = bch2_fs_read_write_early(c);
-		if (ret) {
-			bch_err_msg(c, ret, "deleting dead snapshots: error going rw");
+		bch_err_msg(c, ret, "deleting dead snapshots: error going rw");
+		if (ret)
 			return ret;
-		}
 	}
 
 	trans = bch2_trans_get(c);
@@ -1397,18 +1392,16 @@ int bch2_delete_dead_snapshots(struct bch_fs *c)
 			POS_MIN, 0, k,
 			NULL, NULL, 0,
 		bch2_delete_redundant_snapshot(trans, k));
-	if (ret) {
-		bch_err_msg(c, ret, "deleting redundant snapshots");
+	bch_err_msg(c, ret, "deleting redundant snapshots");
+	if (ret)
 		goto err;
-	}
 
 	ret = for_each_btree_key(trans, iter, BTREE_ID_snapshots,
 				 POS_MIN, 0, k,
 		bch2_snapshot_set_equiv(trans, k));
-	if (ret) {
-		bch_err_msg(c, ret, "in bch2_snapshots_set_equiv");
+	bch_err_msg(c, ret, "in bch2_snapshots_set_equiv");
+	if (ret)
 		goto err;
-	}
 
 	ret = for_each_btree_key(trans, iter, BTREE_ID_snapshots,
 				 POS_MIN, 0, k, ({
@@ -1420,11 +1413,9 @@ int bch2_delete_dead_snapshots(struct bch_fs *c)
 			? snapshot_list_add(c, &deleted, k.k->p.offset)
 			: 0;
 	}));
-
-	if (ret) {
-		bch_err_msg(c, ret, "walking snapshots");
+	bch_err_msg(c, ret, "walking snapshots");
+	if (ret)
 		goto err;
-	}
 
 	for (id = 0; id < BTREE_ID_NR; id++) {
 		struct bpos last_pos = POS_MIN;
@@ -1457,10 +1448,9 @@ int bch2_delete_dead_snapshots(struct bch_fs *c)
 		bch2_disk_reservation_put(c, &res);
 		darray_exit(&equiv_seen);
 
-		if (ret) {
-			bch_err_msg(c, ret, "deleting keys from dying snapshots");
+		bch_err_msg(c, ret, "deleting keys from dying snapshots");
+		if (ret)
 			goto err;
-		}
 	}
 
 	bch2_trans_unlock(trans);
@@ -1476,10 +1466,9 @@ int bch2_delete_dead_snapshots(struct bch_fs *c)
 			: 0;
 	}));
 
-	if (ret) {
-		bch_err_msg(c, ret, "walking snapshots");
+	bch_err_msg(c, ret, "walking snapshots");
+	if (ret)
 		goto err_create_lock;
-	}
 
 	/*
 	 * Fixing children of deleted snapshots can't be done completely
@@ -1496,19 +1485,17 @@ int bch2_delete_dead_snapshots(struct bch_fs *c)
 	darray_for_each(deleted, i) {
 		ret = commit_do(trans, NULL, NULL, 0,
 			bch2_snapshot_node_delete(trans, *i));
-		if (ret) {
-			bch_err_msg(c, ret, "deleting snapshot %u", *i);
+		bch_err_msg(c, ret, "deleting snapshot %u", *i);
+		if (ret)
 			goto err_create_lock;
-		}
 	}
 
 	darray_for_each(deleted_interior, i) {
 		ret = commit_do(trans, NULL, NULL, 0,
 			bch2_snapshot_node_delete(trans, *i));
-		if (ret) {
-			bch_err_msg(c, ret, "deleting snapshot %u", *i);
+		bch_err_msg(c, ret, "deleting snapshot %u", *i);
+		if (ret)
 			goto err_create_lock;
-		}
 	}
 err_create_lock:
 	up_write(&c->snapshot_create_lock);
@@ -1516,8 +1503,7 @@ int bch2_delete_dead_snapshots(struct bch_fs *c)
 	darray_exit(&deleted_interior);
 	darray_exit(&deleted);
 	bch2_trans_put(trans);
-	if (ret)
-		bch_err_fn(c, ret);
+	bch_err_fn(c, ret);
 	return ret;
 }
 
@@ -1701,8 +1687,7 @@ int bch2_snapshots_read(struct bch_fs *c)
 		for_each_btree_key(trans, iter, BTREE_ID_snapshots,
 				   POS_MIN, 0, k,
 			   (set_is_ancestor_bitmap(c, k.k->p.offset), 0)));
-	if (ret)
-		bch_err_fn(c, ret);
+	bch_err_fn(c, ret);
 	return ret;
 }
 

fs/bcachefs/subvolume.c

@@ -38,8 +38,7 @@ static int check_subvol(struct btree_trans *trans,
 
 	if (BCH_SUBVOLUME_UNLINKED(subvol.v)) {
 		ret = bch2_subvolume_delete(trans, iter->pos.offset);
-		if (ret)
-			bch_err_msg(c, ret, "deleting subvolume %llu", iter->pos.offset);
+		bch_err_msg(c, ret, "deleting subvolume %llu", iter->pos.offset);
 		return ret ?: -BCH_ERR_transaction_restart_nested;
 	}
 
@@ -86,11 +85,10 @@ int bch2_check_subvols(struct bch_fs *c)
 
 	ret = bch2_trans_run(c,
 		for_each_btree_key_commit(trans, iter,
-			BTREE_ID_subvolumes, POS_MIN, BTREE_ITER_PREFETCH, k,
-			NULL, NULL, BCH_TRANS_COMMIT_no_enospc,
-		check_subvol(trans, &iter, k)));
-	if (ret)
-		bch_err_fn(c, ret);
+				BTREE_ID_subvolumes, POS_MIN, BTREE_ITER_PREFETCH, k,
+				NULL, NULL, BCH_TRANS_COMMIT_no_enospc,
+			check_subvol(trans, &iter, k)));
+	bch_err_fn(c, ret);
 	return ret;
 }
 
@@ -297,10 +295,9 @@ static void bch2_subvolume_wait_for_pagecache_and_delete(struct work_struct *wor
 
 		for (id = s.data; id < s.data + s.nr; id++) {
 			ret = bch2_trans_run(c, bch2_subvolume_delete(trans, *id));
-			if (ret) {
-				bch_err_msg(c, ret, "deleting subvolume %u", *id);
+			bch_err_msg(c, ret, "deleting subvolume %u", *id);
+			if (ret)
 				break;
-			}
 		}
 
 		darray_exit(&s);

fs/bcachefs/super.c

@@ -1522,9 +1522,7 @@ static int bch2_dev_remove_alloc(struct bch_fs *c, struct bch_dev *ca)
 					BTREE_TRIGGER_NORUN, NULL) ?:
 		bch2_btree_delete_range(c, BTREE_ID_bucket_gens, start, end,
 					BTREE_TRIGGER_NORUN, NULL);
-	if (ret)
-		bch_err_msg(c, ret, "removing dev alloc info");
-
+	bch_err_msg(c, ret, "removing dev alloc info");
 	return ret;
 }
 
@@ -1551,34 +1549,29 @@ int bch2_dev_remove(struct bch_fs *c, struct bch_dev *ca, int flags)
 	__bch2_dev_read_only(c, ca);
 
 	ret = bch2_dev_data_drop(c, ca->dev_idx, flags);
-	if (ret) {
-		bch_err_msg(ca, ret, "dropping data");
+	bch_err_msg(ca, ret, "dropping data");
+	if (ret)
 		goto err;
-	}
 
 	ret = bch2_dev_remove_alloc(c, ca);
-	if (ret) {
-		bch_err_msg(ca, ret, "deleting alloc info");
+	bch_err_msg(ca, ret, "deleting alloc info");
+	if (ret)
 		goto err;
-	}
 
 	ret = bch2_journal_flush_device_pins(&c->journal, ca->dev_idx);
-	if (ret) {
-		bch_err_msg(ca, ret, "flushing journal");
+	bch_err_msg(ca, ret, "flushing journal");
+	if (ret)
 		goto err;
-	}
 
 	ret = bch2_journal_flush(&c->journal);
-	if (ret) {
-		bch_err(ca, "journal error");
+	bch_err(ca, "journal error");
+	if (ret)
 		goto err;
-	}
 
 	ret = bch2_replicas_gc2(c);
-	if (ret) {
-		bch_err_msg(ca, ret, "in replicas_gc2()");
+	bch_err_msg(ca, ret, "in replicas_gc2()");
+	if (ret)
 		goto err;
-	}
 
 	data = bch2_dev_has_data(c, ca);
 	if (data) {
@@ -1650,10 +1643,9 @@ int bch2_dev_add(struct bch_fs *c, const char *path)
 	int ret;
 
 	ret = bch2_read_super(path, &opts, &sb);
-	if (ret) {
-		bch_err_msg(c, ret, "reading super");
+	bch_err_msg(c, ret, "reading super");
+	if (ret)
 		goto err;
-	}
 
 	dev_mi = bch2_sb_member_get(sb.sb, sb.sb->dev_idx);
 
@@ -1666,10 +1658,8 @@ int bch2_dev_add(struct bch_fs *c, const char *path)
 	}
 
 	ret = bch2_dev_may_add(sb.sb, c);
-	if (ret) {
-		bch_err_fn(c, ret);
+	if (ret)
 		goto err;
-	}
 
 	ca = __bch2_dev_alloc(c, &dev_mi);
 	if (!ca) {
@@ -1684,19 +1674,17 @@ int bch2_dev_add(struct bch_fs *c, const char *path)
 		goto err;
 
 	ret = bch2_dev_journal_alloc(ca);
-	if (ret) {
-		bch_err_msg(c, ret, "allocating journal");
+	bch_err_msg(c, ret, "allocating journal");
+	if (ret)
 		goto err;
-	}
 
 	down_write(&c->state_lock);
 	mutex_lock(&c->sb_lock);
 
 	ret = bch2_sb_from_fs(c, ca);
-	if (ret) {
-		bch_err_msg(c, ret, "setting up new superblock");
+	bch_err_msg(c, ret, "setting up new superblock");
+	if (ret)
 		goto err_unlock;
-	}
 
 	if (dynamic_fault("bcachefs:add:no_slot"))
 		goto no_slot;
@@ -1735,10 +1723,9 @@ int bch2_dev_add(struct bch_fs *c, const char *path)
 
 	if (BCH_MEMBER_GROUP(&dev_mi)) {
 		ret = __bch2_dev_group_set(c, ca, label.buf);
-		if (ret) {
-			bch_err_msg(c, ret, "creating new label");
+		bch_err_msg(c, ret, "creating new label");
+		if (ret)
 			goto err_unlock;
-		}
 	}
 
 	bch2_write_super(c);
@@ -1747,16 +1734,14 @@ int bch2_dev_add(struct bch_fs *c, const char *path)
 	bch2_dev_usage_journal_reserve(c);
 
 	ret = bch2_trans_mark_dev_sb(c, ca);
-	if (ret) {
-		bch_err_msg(ca, ret, "marking new superblock");
+	bch_err_msg(ca, ret, "marking new superblock");
+	if (ret)
 		goto err_late;
-	}
 
 	ret = bch2_fs_freespace_init(c);
-	if (ret) {
-		bch_err_msg(ca, ret, "initializing free space");
+	bch_err_msg(ca, ret, "initializing free space");
+	if (ret)
 		goto err_late;
-	}
 
 	ca->new_fs_bucket_idx = 0;
 
@@ -1775,6 +1760,7 @@ int bch2_dev_add(struct bch_fs *c, const char *path)
 	bch2_free_super(&sb);
 	printbuf_exit(&label);
 	printbuf_exit(&errbuf);
+	bch_err_fn(c, ret);
 	return ret;
 err_late:
 	up_write(&c->state_lock);
@@ -1802,10 +1788,9 @@ int bch2_dev_online(struct bch_fs *c, const char *path)
 	dev_idx = sb.sb->dev_idx;
 
 	ret = bch2_dev_in_fs(c->disk_sb.sb, sb.sb);
-	if (ret) {
-		bch_err_msg(c, ret, "bringing %s online", path);
+	bch_err_msg(c, ret, "bringing %s online", path);
+	if (ret)
 		goto err;
-	}
 
 	ret = bch2_dev_attach_bdev(c, &sb);
 	if (ret)
@@ -1814,10 +1799,9 @@ int bch2_dev_online(struct bch_fs *c, const char *path)
 	ca = bch_dev_locked(c, dev_idx);
 
 	ret = bch2_trans_mark_dev_sb(c, ca);
-	if (ret) {
-		bch_err_msg(c, ret, "bringing %s online: error from bch2_trans_mark_dev_sb", path);
+	bch_err_msg(c, ret, "bringing %s online: error from bch2_trans_mark_dev_sb", path);
+	if (ret)
 		goto err;
-	}
 
 	if (ca->mi.state == BCH_MEMBER_STATE_rw)
 		__bch2_dev_read_write(c, ca);
@@ -1896,10 +1880,9 @@ int bch2_dev_resize(struct bch_fs *c, struct bch_dev *ca, u64 nbuckets)
 	}
 
 	ret = bch2_dev_buckets_resize(c, ca, nbuckets);
-	if (ret) {
-		bch_err_msg(ca, ret, "resizing buckets");
+	bch_err_msg(ca, ret, "resizing buckets");
+	if (ret)
 		goto err;
-	}
 
 	ret = bch2_trans_mark_dev_sb(c, ca);
 	if (ret)