Pretty printer for struct bio, to be used for async object debugging.
This is pretty minimal, we'll add more to it as we discover what we
need.
Signed-off-by: Kent Overstreet <kent.overstreet@xxxxxxxxx>
---
fs/bcachefs/util.c | 10 ++++++++++
fs/bcachefs/util.h | 2 ++
2 files changed, 12 insertions(+)
diff --git a/fs/bcachefs/util.c b/fs/bcachefs/util.c
index 6e5d7fc265bd..7e6ebe8cd9ea 100644
--- a/fs/bcachefs/util.c
+++ b/fs/bcachefs/util.c
@@ -715,6 +715,16 @@ void bch2_corrupt_bio(struct bio *bio)
}
#endif
+void bch2_bio_to_text(struct printbuf *out, struct bio *bio)
+{
+ prt_printf(out, "bi_remaining:\t%u\n",
+ atomic_read(&bio->__bi_remaining));
+ prt_printf(out, "bi_end_io:\t%ps\n",
+ bio->bi_end_io);
+ prt_printf(out, "bi_status:\t%u\n",
+ bio->bi_status);
+}
+
#if 0
void eytzinger1_test(void)
{
diff --git a/fs/bcachefs/util.h b/fs/bcachefs/util.h
index 50f7197c67fc..7a93e187a49a 100644
--- a/fs/bcachefs/util.h
+++ b/fs/bcachefs/util.h
@@ -419,6 +419,8 @@ static inline void bch2_maybe_corrupt_bio(struct bio *bio, unsigned ratio)
#define bch2_maybe_corrupt_bio(...) do {} while (0)
#endif
+void bch2_bio_to_text(struct printbuf *, struct bio *);
+
static inline void memcpy_u64s_small(void *dst, const void *src,
unsigned u64s)
{
--
2.49.0
