f2fs: introduce cp_control structure

This patch add a new data structure to control checkpoint parameters.
Currently, it presents the reason of checkpoint such as is_umount and normal
sync.

Reviewed-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

1 files changed, 10 insertions, 5 deletions

diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h
index d06d44363fea..66eaace9c07e 100644
--- a/include/trace/events/f2fs.h
+++ b/include/trace/events/f2fs.h
@@ -69,6 +69,11 @@
                 { GC_GREEDY,    "Greedy" },                             \
                 { GC_CB,        "Cost-Benefit" })
 
+#define show_cpreason(type)                                             \
+        __print_symbolic(type,                                          \
+                { CP_UMOUNT,    "Umount" },                             \
+                { CP_SYNC,      "Sync" })
+
 struct victim_sel_policy;
 
 DECLARE_EVENT_CLASS(f2fs__inode,
@@ -944,25 +949,25 @@ TRACE_EVENT(f2fs_submit_page_mbio,
 
 TRACE_EVENT(f2fs_write_checkpoint,
 
-        TP_PROTO(struct super_block *sb, bool is_umount, char *msg),
+        TP_PROTO(struct super_block *sb, int reason, char *msg),
 
-        TP_ARGS(sb, is_umount, msg),
+        TP_ARGS(sb, reason, msg),
 
         TP_STRUCT__entry(
                 __field(dev_t,  dev)
-                __field(bool,   is_umount)
+                __field(int,    reason)
                 __field(char *, msg)
         ),
 
         TP_fast_assign(
                 __entry->dev            = sb->s_dev;
-                __entry->is_umount      = is_umount;
+                __entry->reason         = reason;
                 __entry->msg            = msg;
         ),
 
         TP_printk("dev = (%d,%d), checkpoint for %s, state = %s",
                 show_dev(__entry),
-                __entry->is_umount ? "clean umount" : "consistency",
+                show_cpreason(__entry->reason),
                 __entry->msg)
 );