diff options
Diffstat (limited to 'drivers/md/bcache/bcache.h')
| -rw-r--r-- | drivers/md/bcache/bcache.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/md/bcache/bcache.h b/drivers/md/bcache/bcache.h index 5e9f3610c6fd..d338b7086013 100644 --- a/drivers/md/bcache/bcache.h +++ b/drivers/md/bcache/bcache.h @@ -367,6 +367,7 @@ struct cached_dev { unsigned sequential_cutoff; unsigned readahead; + unsigned io_disable:1; unsigned verify:1; unsigned bypass_torture_test:1; @@ -388,6 +389,9 @@ struct cached_dev { unsigned writeback_rate_minimum; enum stop_on_failure stop_when_cache_set_failed; +#define DEFAULT_CACHED_DEV_ERROR_LIMIT 64 + atomic_t io_errors; + unsigned error_limit; }; enum alloc_reserve { @@ -911,6 +915,7 @@ static inline void wait_for_kthread_stop(void) /* Forward declarations */ +void bch_count_backing_io_errors(struct cached_dev *dc, struct bio *bio); void bch_count_io_errors(struct cache *, blk_status_t, int, const char *); void bch_bbio_count_io_errors(struct cache_set *, struct bio *, blk_status_t, const char *); @@ -938,6 +943,7 @@ int bch_bucket_alloc_set(struct cache_set *, unsigned, struct bkey *, int, bool); bool bch_alloc_sectors(struct cache_set *, struct bkey *, unsigned, unsigned, unsigned, bool); +bool bch_cached_dev_error(struct cached_dev *dc); __printf(2, 3) bool bch_cache_set_error(struct cache_set *, const char *, ...); |