diff options
Diffstat (limited to 'libbcachefs/io_write.c')
-rw-r--r-- | libbcachefs/io_write.c | 38 |
1 files changed, 34 insertions, 4 deletions
diff --git a/libbcachefs/io_write.c b/libbcachefs/io_write.c index dbfcb28f..a2e6b305 100644 --- a/libbcachefs/io_write.c +++ b/libbcachefs/io_write.c @@ -34,6 +34,12 @@ #include <linux/random.h> #include <linux/sched/mm.h> +#ifdef CONFIG_BCACHEFS_DEBUG +static unsigned bch2_write_corrupt_ratio; +module_param_named(write_corrupt_ratio, bch2_write_corrupt_ratio, uint, 0644); +MODULE_PARM_DESC(write_corrupt_ratio, ""); +#endif + #ifndef CONFIG_BCACHEFS_NO_LATENCY_ACCT static inline void bch2_congested_acct(struct bch_dev *ca, u64 io_latency, @@ -1005,6 +1011,15 @@ static int bch2_write_extent(struct bch_write_op *op, struct write_point *wp, bounce = true; } +#ifdef CONFIG_BCACHEFS_DEBUG + unsigned write_corrupt_ratio = READ_ONCE(bch2_write_corrupt_ratio); + if (!bounce && write_corrupt_ratio) { + dst = bch2_write_bio_alloc(c, wp, src, + &page_alloc_failed, + ec_buf); + bounce = true; + } +#endif saved_iter = dst->bi_iter; do { @@ -1114,6 +1129,14 @@ static int bch2_write_extent(struct bch_write_op *op, struct write_point *wp, init_append_extent(op, wp, version, crc); +#ifdef CONFIG_BCACHEFS_DEBUG + if (write_corrupt_ratio) { + swap(dst->bi_iter.bi_size, dst_len); + bch2_maybe_corrupt_bio(dst, write_corrupt_ratio); + swap(dst->bi_iter.bi_size, dst_len); + } +#endif + if (dst != src) bio_advance(dst, dst_len); bio_advance(src, src_len); @@ -1394,6 +1417,7 @@ retry: bio->bi_private = &op->cl; bio->bi_opf |= REQ_OP_WRITE; closure_get(&op->cl); + bch2_submit_wbio_replicas(to_wbio(bio), c, BCH_DATA_user, op->insert_keys.top, true); @@ -1718,20 +1742,26 @@ static const char * const bch2_write_flags[] = { void bch2_write_op_to_text(struct printbuf *out, struct bch_write_op *op) { - prt_str(out, "pos: "); + if (!out->nr_tabstops) + printbuf_tabstop_push(out, 32); + + prt_printf(out, "pos:\t"); bch2_bpos_to_text(out, op->pos); prt_newline(out); printbuf_indent_add(out, 2); - prt_str(out, "started: "); + prt_printf(out, "started:\t"); bch2_pr_time_units(out, local_clock() - op->start_time); prt_newline(out); - prt_str(out, "flags: "); + prt_printf(out, "flags:\t"); prt_bitflags(out, bch2_write_flags, op->flags); prt_newline(out); - prt_printf(out, "ref: %u\n", closure_nr_remaining(&op->cl)); + prt_printf(out, "nr_replicas:\t%u\n", op->nr_replicas); + prt_printf(out, "nr_replicas_required:\t%u\n", op->nr_replicas_required); + + prt_printf(out, "ref:\t%u\n", closure_nr_remaining(&op->cl)); printbuf_indent_sub(out, 2); } |