2023-06-19 15:45:46

by Yunlei He

[permalink] [raw]
Subject: [f2fs-dev][PATCH] f2fs: count mmap write io more accurately

This patch count mmap write io more accurately.

Signed-off-by: Yunlei He <[email protected]>
---
fs/f2fs/file.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 41e7c2b80f31..147ab24ae579 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -152,11 +152,11 @@ static vm_fault_t f2fs_vm_page_mkwrite(struct vm_fault *vmf)
if (!PageUptodate(page))
SetPageUptodate(page);

+out_sem:
f2fs_update_iostat(sbi, inode, APP_MAPPED_IO, F2FS_BLKSIZE);
f2fs_update_time(sbi, REQ_TIME);

trace_f2fs_vm_page_mkwrite(page, DATA);
-out_sem:
filemap_invalidate_unlock_shared(inode->i_mapping);

sb_end_pagefault(inode->i_sb);
--
2.40.1