diff options
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/bcache/extents.c | 22 | ||||
| -rw-r--r-- | drivers/md/bcache/sysfs.c | 126 |
2 files changed, 76 insertions, 72 deletions
diff --git a/drivers/md/bcache/extents.c b/drivers/md/bcache/extents.c index 35887330b49d..3a0de4cf9771 100644 --- a/drivers/md/bcache/extents.c +++ b/drivers/md/bcache/extents.c @@ -308,6 +308,16 @@ static struct bkey *bch_extent_sort_fixup(struct btree_iter *iter, return NULL; } +static void bch_subtract_dirty(struct bkey *k, + struct cache_set *c, + uint64_t offset, + int sectors) +{ + if (KEY_DIRTY(k)) + bcache_dev_sectors_dirty_add(c, KEY_INODE(k), + offset, -sectors); +} + static bool bch_extent_insert_fixup(struct btree_keys *b, struct bkey *insert, struct btree_iter *iter, @@ -315,13 +325,6 @@ static bool bch_extent_insert_fixup(struct btree_keys *b, { struct cache_set *c = container_of(b, struct btree, keys)->c; - void subtract_dirty(struct bkey *k, uint64_t offset, int sectors) - { - if (KEY_DIRTY(k)) - bcache_dev_sectors_dirty_add(c, KEY_INODE(k), - offset, -sectors); - } - uint64_t old_offset; unsigned old_size, sectors_found = 0; @@ -398,7 +401,8 @@ static bool bch_extent_insert_fixup(struct btree_keys *b, struct bkey *top; - subtract_dirty(k, KEY_START(insert), KEY_SIZE(insert)); + bch_subtract_dirty(k, c, KEY_START(insert), + KEY_SIZE(insert)); if (bkey_written(b, k)) { /* @@ -448,7 +452,7 @@ static bool bch_extent_insert_fixup(struct btree_keys *b, } } - subtract_dirty(k, old_offset, old_size - KEY_SIZE(k)); + bch_subtract_dirty(k, c, old_offset, old_size - KEY_SIZE(k)); } check_failed: diff --git a/drivers/md/bcache/sysfs.c b/drivers/md/bcache/sysfs.c index 89aaa2ef38f9..b3ff57d61dde 100644 --- a/drivers/md/bcache/sysfs.c +++ b/drivers/md/bcache/sysfs.c @@ -405,7 +405,7 @@ struct bset_stats_op { struct bset_stats stats; }; -static int btree_bset_stats(struct btree_op *b_op, struct btree *b) +static int bch_btree_bset_stats(struct btree_op *b_op, struct btree *b) { struct bset_stats_op *op = container_of(b_op, struct bset_stats_op, op); @@ -423,7 +423,7 @@ static int bch_bset_print_stats(struct cache_set *c, char *buf) memset(&op, 0, sizeof(op)); bch_btree_op_init(&op.op, -1); - ret = bch_btree_map_nodes(&op.op, c, &ZERO_KEY, btree_bset_stats); + ret = bch_btree_map_nodes(&op.op, c, &ZERO_KEY, bch_btree_bset_stats); if (ret < 0) return ret; @@ -441,81 +441,81 @@ static int bch_bset_print_stats(struct cache_set *c, char *buf) op.stats.floats, op.stats.failed); } -SHOW(__bch_cache_set) +static unsigned bch_root_usage(struct cache_set *c) { - unsigned root_usage(struct cache_set *c) - { - unsigned bytes = 0; - struct bkey *k; - struct btree *b; - struct btree_iter iter; + unsigned bytes = 0; + struct bkey *k; + struct btree *b; + struct btree_iter iter; - goto lock_root; + goto lock_root; - do { - rw_unlock(false, b); + do { + rw_unlock(false, b); lock_root: - b = c->root; - rw_lock(false, b, b->level); - } while (b != c->root); - - for_each_key_filter(&b->keys, k, &iter, bch_ptr_bad) - bytes += bkey_bytes(k); + b = c->root; + rw_lock(false, b, b->level); + } while (b != c->root); - rw_unlock(false, b); + for_each_key_filter(&b->keys, k, &iter, bch_ptr_bad) + bytes += bkey_bytes(k); - return (bytes * 100) / btree_bytes(c); - } + rw_unlock(false, b); - size_t cache_size(struct cache_set *c) - { - size_t ret = 0; - struct btree *b; + return (bytes * 100) / btree_bytes(c); +} - mutex_lock(&c->bucket_lock); - list_for_each_entry(b, &c->btree_cache, list) - ret += 1 << (b->keys.page_order + PAGE_SHIFT); +static size_t bch_cache_size(struct cache_set *c) +{ + size_t ret = 0; + struct btree *b; - mutex_unlock(&c->bucket_lock); - return ret; - } + mutex_lock(&c->bucket_lock); + list_for_each_entry(b, &c->btree_cache, list) + ret += 1 << (b->keys.page_order + PAGE_SHIFT); - unsigned cache_max_chain(struct cache_set *c) - { - unsigned ret = 0; - struct hlist_head *h; + mutex_unlock(&c->bucket_lock); + return ret; +} - mutex_lock(&c->bucket_lock); +static unsigned bch_cache_max_chain(struct cache_set *c) +{ + unsigned ret = 0; + struct hlist_head *h; - for (h = c->bucket_hash; - h < c->bucket_hash + (1 << BUCKET_HASH_BITS); - h++) { - unsigned i = 0; - struct hlist_node *p; + mutex_lock(&c->bucket_lock); - hlist_for_each(p, h) - i++; + for (h = c->bucket_hash; + h < c->bucket_hash + (1 << BUCKET_HASH_BITS); + h++) { + unsigned i = 0; + struct hlist_node *p; - ret = max(ret, i); - } + hlist_for_each(p, h) + i++; - mutex_unlock(&c->bucket_lock); - return ret; + ret = max(ret, i); } - unsigned btree_used(struct cache_set *c) - { - return div64_u64(c->gc_stats.key_bytes * 100, - (c->gc_stats.nodes ?: 1) * btree_bytes(c)); - } + mutex_unlock(&c->bucket_lock); + return ret; +} - unsigned average_key_size(struct cache_set *c) - { - return c->gc_stats.nkeys - ? div64_u64(c->gc_stats.data, c->gc_stats.nkeys) - : 0; - } +static unsigned bch_btree_used(struct cache_set *c) +{ + return div64_u64(c->gc_stats.key_bytes * 100, + (c->gc_stats.nodes ?: 1) * btree_bytes(c)); +} +static unsigned bch_average_key_size(struct cache_set *c) +{ + return c->gc_stats.nkeys + ? div64_u64(c->gc_stats.data, c->gc_stats.nkeys) + : 0; +} + +SHOW(__bch_cache_set) +{ struct cache_set *c = container_of(kobj, struct cache_set, kobj); sysfs_print(synchronous, CACHE_SYNC(&c->sb)); @@ -523,10 +523,10 @@ lock_root: sysfs_hprint(bucket_size, bucket_bytes(c)); sysfs_hprint(block_size, block_bytes(c)); sysfs_print(tree_depth, c->root->level); - sysfs_print(root_usage_percent, root_usage(c)); + sysfs_print(root_usage_percent, bch_root_usage(c)); - sysfs_hprint(btree_cache_size, cache_size(c)); - sysfs_print(btree_cache_max_chain, cache_max_chain(c)); + sysfs_hprint(btree_cache_size, bch_cache_size(c)); + sysfs_print(btree_cache_max_chain, bch_cache_max_chain(c)); sysfs_print(cache_available_percent, 100 - c->gc_stats.in_use); sysfs_print_time_stats(&c->btree_gc_time, btree_gc, sec, ms); @@ -534,9 +534,9 @@ lock_root: sysfs_print_time_stats(&c->sort.time, btree_sort, ms, us); sysfs_print_time_stats(&c->btree_read_time, btree_read, ms, us); - sysfs_print(btree_used_percent, btree_used(c)); + sysfs_print(btree_used_percent, bch_btree_used(c)); sysfs_print(btree_nodes, c->gc_stats.nodes); - sysfs_hprint(average_key_size, average_key_size(c)); + sysfs_hprint(average_key_size, bch_average_key_size(c)); sysfs_print(cache_read_races, atomic_long_read(&c->cache_read_races)); |