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bcachefs: bch2_bio_to_text()

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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@linux.dev>
This commit is contained in:
Kent Overstreet 2025-04-21 12:04:10 -04:00
parent cca2c0d224
commit 5f0de475f9
2 changed files with 12 additions and 0 deletions
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10
fs/bcachefs/util.c
View File

@ -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)
{

2
fs/bcachefs/util.h
View File

@ -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)
{