This patch supports to trace f2fs_ioc_shutdown.
Signed-off-by: Chao Yu <yuch...@huawei.com>
---
fs/f2fs/file.c | 3 +++
include/trace/events/f2fs.h | 32 ++++++++++++++++++++++++++++++++
2 files changed, 35 insertions(+)
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 2e7ae5974633..4b852cab21f8 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -1993,6 +1993,9 @@ static int f2fs_ioc_shutdown(struct file *filp, unsigned
long arg)
out:
if (in != F2FS_GOING_DOWN_FULLSYNC)
mnt_drop_write_file(filp);
+
+ trace_f2fs_shutdown(sbi, in, ret);
+
return ret;
}
diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h
index bbbfc9bc0686..4683ee10fe61 100644
--- a/include/trace/events/f2fs.h
+++ b/include/trace/events/f2fs.h
@@ -149,6 +149,14 @@ TRACE_DEFINE_ENUM(CP_TRIMMED);
{ CP_SPEC_LOG_NUM, "log type is 2" }, \
{ CP_RECOVER_DIR, "dir needs recovery" })
+#define show_shutdown_mode(type) \
+ __print_symbolic(type, \
+ { F2FS_GOING_DOWN_FULLSYNC, "full sync" }, \
+ { F2FS_GOING_DOWN_METASYNC, "meta sync" }, \
+ { F2FS_GOING_DOWN_NOSYNC, "no sync" }, \
+ { F2FS_GOING_DOWN_METAFLUSH, "meta flush" }, \
+ { F2FS_GOING_DOWN_NEED_FSCK, "need fsck" })
+
struct f2fs_sb_info;
struct f2fs_io_info;
struct extent_info;
@@ -1619,6 +1627,30 @@ DEFINE_EVENT(f2fs_sync_dirty_inodes,
f2fs_sync_dirty_inodes_exit,
TP_ARGS(sb, type, count)
);
+TRACE_EVENT(f2fs_shutdown,
+
+ TP_PROTO(struct f2fs_sb_info *sbi, unsigned int mode, int ret),
+
+ TP_ARGS(sbi, mode, ret),
+
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(unsigned int, mode)
+ __field(int, ret)
+ ),
+
+ TP_fast_assign(
+ __entry->dev = sbi->sb->s_dev;
+ __entry->mode = mode;
+ __entry->ret = ret;
+ ),
+
+ TP_printk("dev = (%d,%d), mode: %s, ret:%d",
+ show_dev(__entry->dev),
+ show_shutdown_mode(__entry->mode),
+ __entry->ret)
+);
+
#endif /* _TRACE_F2FS_H */
/* This part must be outside protection */
--
2.18.0.rc1
