bcachefs: CLASS(printbuf)

Add a DEFINE_CLASS() for printbufs.

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

diff --git a/fs/bcachefs/printbuf.h b/fs/bcachefs/printbuf.h
index 1ca476a..8f4e28d 100644 (file)
--- a/fs/bcachefs/printbuf.h
+++ b/fs/bcachefs/printbuf.h
@@ -140,6 +140,14 @@ void bch2_prt_bitflags_vector(struct printbuf *, const char * const[],
        .size   = _size,                                \
 })
 
+static inline struct printbuf bch2_printbuf_init(void)
+{
+       return PRINTBUF;
+}
+
+DEFINE_CLASS(printbuf, struct printbuf,
+            bch2_printbuf_exit(&_T), bch2_printbuf_init(), void)
+
 /*
  * Returns size remaining of output buffer:
  */