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| author | Chao Yu <yuchao0@huawei.com> | 2020-04-16 13:16:56 +0300 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2020-04-17 19:17:00 +0300 |
| commit | 8b83ac81f4283ae3bd05c9a7e15dca721014dd03 (patch) | |
| tree | 1ce1a104615ba45fdb9df0a828f4b03d8b4182e4 /fs/f2fs/checkpoint.c | |
| parent | df423399757531c20d495bf6b8b83a8dcca3565c (diff) | |
| download | linux-8b83ac81f4283ae3bd05c9a7e15dca721014dd03.tar.xz | |
f2fs: support read iostat
Adds to support accounting read IOs from userspace/kernel.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/checkpoint.c')
| -rw-r--r-- | fs/f2fs/checkpoint.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index 6be357c8e002..5ba649e17c72 100644 --- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -86,6 +86,8 @@ repeat: return ERR_PTR(err); } + f2fs_update_iostat(sbi, FS_META_READ_IO, F2FS_BLKSIZE); + lock_page(page); if (unlikely(page->mapping != mapping)) { f2fs_put_page(page, 1); @@ -266,6 +268,9 @@ int f2fs_ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages, fio.page = page; err = f2fs_submit_page_bio(&fio); f2fs_put_page(page, err ? 1 : 0); + + if (!err) + f2fs_update_iostat(sbi, FS_META_READ_IO, F2FS_BLKSIZE); } out: blk_finish_plug(&plug); |