f2fs: count discard command entry
Adds to count discard command entry and show the number in debugfs,
also fix to add cost of discard command cache into total comsumed
memory footprint.
Signed-off-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 dbdce5f..8741d51 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -216,6 +216,7 @@
int max_discards; /* max. discards to be issued */
atomic_t issued_discard; /* # of issued discard */
atomic_t issing_discard; /* # of issing discard */
+ atomic_t discard_cmd_cnt; /* # of cached cmd count */
};
/* for the list of fsync inodes, used only during recovery */
@@ -2333,6 +2334,7 @@
int total_count, utilization;
int bg_gc, nr_wb_cp_data, nr_wb_data;
int nr_flushing, nr_flushed, nr_discarding, nr_discarded;
+ int nr_discard_cmd;
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;