bcachefs: bch2_btree_write_buffer_flush() -> bch2_btree_write_buffer_tryflush()

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

fs/bcachefs/alloc_background.c

@@ -1817,7 +1817,7 @@ static void bch2_do_invalidates_work(struct work_struct *work)
 	unsigned i;
 	int ret = 0;
 
-	ret = bch2_btree_write_buffer_flush(trans);
+	ret = bch2_btree_write_buffer_tryflush(trans);
 	if (ret)
 		goto err;
 

fs/bcachefs/btree_write_buffer.c

@@ -299,7 +299,7 @@ int bch2_btree_write_buffer_flush_nocheck_rw(struct btree_trans *trans)
 	return ret;
 }
 
-int bch2_btree_write_buffer_flush(struct btree_trans *trans)
+int bch2_btree_write_buffer_tryflush(struct btree_trans *trans)
 {
 	struct bch_fs *c = trans->c;
 

fs/bcachefs/btree_write_buffer.h

@@ -5,7 +5,7 @@
 int bch2_btree_write_buffer_flush_locked(struct btree_trans *);
 int bch2_btree_write_buffer_flush_nocheck_rw(struct btree_trans *);
 int bch2_btree_write_buffer_flush_sync(struct btree_trans *);
-int bch2_btree_write_buffer_flush(struct btree_trans *);
+int bch2_btree_write_buffer_tryflush(struct btree_trans *);
 
 int bch2_btree_insert_keys_write_buffer(struct btree_trans *);
 

fs/bcachefs/move.c

@@ -681,11 +681,10 @@ int __bch2_evacuate_bucket(struct moving_context *ctxt,
 	bucket_size = bch_dev_bkey_exists(c, bucket.inode)->mi.bucket_size;
 	fragmentation = a->fragmentation_lru;
 
-	ret = bch2_btree_write_buffer_flush(trans);
-	if (ret) {
+	ret = bch2_btree_write_buffer_tryflush(trans);
 	bch_err_msg(c, ret, "flushing btree write buffer");
+	if (ret)
 		goto err;
-	}
 
 	while (!(ret = bch2_move_ratelimit(ctxt))) {
 		if (is_kthread && kthread_should_stop())

fs/bcachefs/movinggc.c

@@ -153,11 +153,11 @@ static int bch2_copygc_get_buckets(struct moving_context *ctxt,
 
 	move_buckets_wait(ctxt, buckets_in_flight, false);
 
-	ret = bch2_btree_write_buffer_flush(trans);
+	ret = bch2_btree_write_buffer_tryflush(trans);
 	if (bch2_err_matches(ret, EROFS))
 		return ret;
 
-	if (bch2_fs_fatal_err_on(ret, c, "%s: error %s from bch2_btree_write_buffer_flush()",
+	if (bch2_fs_fatal_err_on(ret, c, "%s: error %s from bch2_btree_write_buffer_tryflush()",
 				 __func__, bch2_err_str(ret)))
 		return ret;