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f2fs: add tracepoint for vm_page_mkwrite

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This patch adds a tracepoint for f2fs_vm_page_mkwrite.

Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
This commit is contained in:
Jaegeuk Kim 2013-10-25 14:26:31 +09:00
parent 26c6b88799
commit e943a10d94
2 changed files with 8 additions and 0 deletions
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1
fs/f2fs/file.c
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@ -88,6 +88,7 @@ static int f2fs_vm_page_mkwrite(struct vm_area_struct *vma,
set_page_dirty(page); set_page_dirty(page);
SetPageUptodate(page); SetPageUptodate(page);
trace_f2fs_vm_page_mkwrite(page, DATA);
mapped: mapped:
/* fill the page */ /* fill the page */
wait_on_page_writeback(page); wait_on_page_writeback(page);

7
include/trace/events/f2fs.h
View File

@ -667,6 +667,13 @@ DEFINE_EVENT(f2fs__page, f2fs_set_page_dirty,
TP_ARGS(page, type) TP_ARGS(page, type)
); );
DEFINE_EVENT(f2fs__page, f2fs_vm_page_mkwrite,
TP_PROTO(struct page *page, int type),
TP_ARGS(page, type)
);
TRACE_EVENT(f2fs_submit_write_page, TRACE_EVENT(f2fs_submit_write_page,
TP_PROTO(struct page *page, block_t blk_addr, int type), TP_PROTO(struct page *page, block_t blk_addr, int type),