f2fs: add undiscard blocks stat
This patch adds to account undiscard blocks.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 37911ef..58d288e 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -232,6 +232,7 @@ struct discard_cmd_control {
struct mutex cmd_lock;
int nr_discards; /* # of discards in the list */
int max_discards; /* max. discards to be issued */
+ unsigned int undiscard_blks; /* # of undiscard blocks */
atomic_t issued_discard; /* # of issued discard */
atomic_t issing_discard; /* # of issing discard */
atomic_t discard_cmd_cnt; /* # of cached cmd count */
@@ -2390,6 +2391,7 @@ struct f2fs_stat_info {
int bg_gc, nr_wb_cp_data, nr_wb_data;
int nr_flushing, nr_flushed, nr_discarding, nr_discarded;
int nr_discard_cmd;
+ unsigned int undiscard_blks;
int inline_xattr, inline_inode, inline_dir, append, update, orphans;
int aw_cnt, max_aw_cnt, vw_cnt, max_vw_cnt;
unsigned int valid_count, valid_node_count, valid_inode_count, discard_blks;