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f2fs: add a tracepoint for f2fs_write_end 

This patch adds a tracepoint for f2fs_write_end to trace write op of user.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
hifive-unleashed-5.1
Chao Yu 2014-05-06 16:47:23 +08:00 committed by Jaegeuk Kim
parent 62aed044ea
commit dfb2bf38bf
2 changed files with 32 additions and 0 deletions
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2
fs/f2fs/data.c
View File

@ -989,6 +989,8 @@ static int f2fs_write_end(struct file *file,
{
struct inode *inode = page->mapping->host;
trace_f2fs_write_end(inode, pos, len, copied);
SetPageUptodate(page);
set_page_dirty(page);

30
include/trace/events/f2fs.h
View File

@ -689,6 +689,36 @@ TRACE_EVENT(f2fs_write_begin,
__entry->flags)
);
TRACE_EVENT(f2fs_write_end,
TP_PROTO(struct inode *inode, loff_t pos, unsigned int len,
unsigned int copied),
TP_ARGS(inode, pos, len, copied),
TP_STRUCT__entry(
__field(dev_t, dev)
__field(ino_t, ino)
__field(loff_t, pos)
__field(unsigned int, len)
__field(unsigned int, copied)
),
TP_fast_assign(
__entry->dev = inode->i_sb->s_dev;
__entry->ino = inode->i_ino;
__entry->pos = pos;
__entry->len = len;
__entry->copied = copied;
),
TP_printk("dev = (%d,%d), ino = %lu, pos = %llu, len = %u, copied = %u",
show_dev_ino(__entry),
(unsigned long long)__entry->pos,
__entry->len,
__entry->copied)
);
DECLARE_EVENT_CLASS(f2fs__page,
TP_PROTO(struct page *page, int type),