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f2fs: trace f2fs_ioc_shutdown 

This patch supports to trace f2fs_ioc_shutdown.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
hifive-unleashed-5.1
Chao Yu 2019-02-26 19:01:15 +08:00 committed by Jaegeuk Kim
parent 48432984d7
commit 559e87c497
2 changed files with 35 additions and 0 deletions
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3
fs/f2fs/file.c
View File

@ -1987,6 +1987,9 @@ 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;
}

32
include/trace/events/f2fs.h
View File

@ -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 */