diff options
Diffstat (limited to 'drivers/md/bcache/sysfs.c')
| -rw-r--r-- | drivers/md/bcache/sysfs.c | 31 |
1 files changed, 0 insertions, 31 deletions
diff --git a/drivers/md/bcache/sysfs.c b/drivers/md/bcache/sysfs.c index a1f85612f0b3..d5dd282b176f 100644 --- a/drivers/md/bcache/sysfs.c +++ b/drivers/md/bcache/sysfs.c @@ -102,7 +102,6 @@ rw_attribute(bypass_torture_test); rw_attribute(key_merging_disabled); rw_attribute(gc_always_rewrite); rw_attribute(expensive_debug_checks); -rw_attribute(freelist_percent); rw_attribute(cache_replacement_policy); rw_attribute(btree_shrinker_disabled); rw_attribute(copy_gc_enabled); @@ -711,9 +710,6 @@ SHOW(__bch_cache) sysfs_print(io_errors, atomic_read(&ca->io_errors) >> IO_ERROR_SHIFT); - sysfs_print(freelist_percent, ca->free.size * 100 / - ((size_t) ca->sb.nbuckets)); - if (attr == &sysfs_cache_replacement_policy) return bch_snprint_string_list(buf, PAGE_SIZE, cache_replacement_policies, @@ -820,32 +816,6 @@ STORE(__bch_cache) } } - if (attr == &sysfs_freelist_percent) { - DECLARE_FIFO(long, free); - long i; - size_t p = strtoul_or_return(buf); - - p = clamp_t(size_t, - ((size_t) ca->sb.nbuckets * p) / 100, - roundup_pow_of_two(ca->sb.nbuckets) >> 9, - ca->sb.nbuckets / 2); - - if (!init_fifo_exact(&free, p, GFP_KERNEL)) - return -ENOMEM; - - mutex_lock(&ca->set->bucket_lock); - - fifo_move(&free, &ca->free); - fifo_swap(&free, &ca->free); - - mutex_unlock(&ca->set->bucket_lock); - - while (fifo_pop(&free, i)) - atomic_dec(&ca->buckets[i].pin); - - free_fifo(&free); - } - if (attr == &sysfs_clear_stats) { atomic_long_set(&ca->sectors_written, 0); atomic_long_set(&ca->btree_sectors_written, 0); @@ -869,7 +839,6 @@ static struct attribute *bch_cache_files[] = { &sysfs_metadata_written, &sysfs_io_errors, &sysfs_clear_stats, - &sysfs_freelist_percent, &sysfs_cache_replacement_policy, NULL }; |