f2fs: show # of on-going flush and discard bios
This patch adds stat information for flush and discard commands.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 3a57d97..5d97310 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -206,6 +206,7 @@ struct discard_cmd_control {
wait_queue_head_t discard_wait_queue; /* waiting queue for wake-up */
struct mutex cmd_lock;
int max_discards; /* max. discards to be issued */
+ atomic_t submit_discard; /* # of issued discard */
};
/* for the list of fsync inodes, used only during recovery */
@@ -2262,7 +2263,7 @@ struct f2fs_stat_info {
unsigned int ndirty_dirs, ndirty_files, ndirty_all;
int nats, dirty_nats, sits, dirty_sits, free_nids, alloc_nids;
int total_count, utilization;
- int bg_gc, nr_wb_cp_data, nr_wb_data;
+ int bg_gc, nr_wb_cp_data, nr_wb_data, nr_flush, nr_discard;
int inline_xattr, inline_inode, inline_dir, orphans;
int aw_cnt, max_aw_cnt;
unsigned int valid_count, valid_node_count, valid_inode_count, discard_blks;