diff options
Diffstat (limited to 'drivers/md/bcache/io.c')
-rw-r--r-- | drivers/md/bcache/io.c | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/drivers/md/bcache/io.c b/drivers/md/bcache/io.c index 9612873afee2..c25097968319 100644 --- a/drivers/md/bcache/io.c +++ b/drivers/md/bcache/io.c @@ -17,6 +17,7 @@ void bch_bbio_free(struct bio *bio, struct cache_set *c) { struct bbio *b = container_of(bio, struct bbio, bio); + mempool_free(b, &c->bio_meta); } @@ -42,9 +43,10 @@ void __bch_submit_bbio(struct bio *bio, struct cache_set *c) } void bch_submit_bbio(struct bio *bio, struct cache_set *c, - struct bkey *k, unsigned ptr) + struct bkey *k, unsigned int ptr) { struct bbio *b = container_of(bio, struct bbio, bio); + bch_bkey_copy_single_ptr(&b->key, k, ptr); __bch_submit_bbio(bio, c); } @@ -52,7 +54,7 @@ void bch_submit_bbio(struct bio *bio, struct cache_set *c, /* IO errors */ void bch_count_backing_io_errors(struct cached_dev *dc, struct bio *bio) { - unsigned errors; + unsigned int errors; WARN_ONCE(!dc, "NULL pointer of struct cached_dev"); @@ -75,16 +77,16 @@ void bch_count_io_errors(struct cache *ca, */ if (ca->set->error_decay) { - unsigned count = atomic_inc_return(&ca->io_count); + unsigned int count = atomic_inc_return(&ca->io_count); while (count > ca->set->error_decay) { - unsigned errors; - unsigned old = count; - unsigned new = count - ca->set->error_decay; + unsigned int errors; + unsigned int old = count; + unsigned int new = count - ca->set->error_decay; /* * First we subtract refresh from count; each time we - * succesfully do so, we rescale the errors once: + * successfully do so, we rescale the errors once: */ count = atomic_cmpxchg(&ca->io_count, old, new); @@ -104,7 +106,7 @@ void bch_count_io_errors(struct cache *ca, } if (error) { - unsigned errors = atomic_add_return(1 << IO_ERROR_SHIFT, + unsigned int errors = atomic_add_return(1 << IO_ERROR_SHIFT, &ca->io_errors); errors >>= IO_ERROR_SHIFT; @@ -126,18 +128,18 @@ void bch_bbio_count_io_errors(struct cache_set *c, struct bio *bio, struct cache *ca = PTR_CACHE(c, &b->key, 0); int is_read = (bio_data_dir(bio) == READ ? 1 : 0); - unsigned threshold = op_is_write(bio_op(bio)) + unsigned int threshold = op_is_write(bio_op(bio)) ? c->congested_write_threshold_us : c->congested_read_threshold_us; if (threshold) { - unsigned t = local_clock_us(); - + unsigned int t = local_clock_us(); int us = t - b->submit_time_us; int congested = atomic_read(&c->congested); if (us > (int) threshold) { int ms = us / 1024; + c->congested_last_us = t; ms = min(ms, CONGESTED_MAX + congested); |