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Date: Mon, 27 Feb 2017 17:10:45 +0800 From: Chao Yu <yuchao0@...wei.com> To: <jaegeuk@...nel.org> CC: <linux-f2fs-devel@...ts.sourceforge.net>, <linux-kernel@...r.kernel.org>, <chao@...nel.org>, Chao Yu <yuchao0@...wei.com> Subject: [PATCH] f2fs: fix to update F2FS_{CP_}WB_DATA count correctly We should only account F2FS_{CP_}WB_DATA IOs for write path, fix it. Signed-off-by: Chao Yu <yuchao0@...wei.com> --- fs/f2fs/data.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index b0a2e3faabb2..1375fef11146 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -398,7 +398,8 @@ int f2fs_submit_page_mbio(struct f2fs_io_info *fio) if ((fio->type == DATA || fio->type == NODE) && fio->new_blkaddr & F2FS_IO_SIZE_MASK(sbi)) { err = -EAGAIN; - dec_page_count(sbi, WB_DATA_TYPE(bio_page)); + if (!is_read) + dec_page_count(sbi, WB_DATA_TYPE(bio_page)); goto out_fail; } io->bio = __bio_alloc(sbi, fio->new_blkaddr, -- 2.8.2.295.g3f1c1d0
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