>-Original Message-
>From: heyunlei
>Sent: Friday, April 13, 2018 11:08 AM
>To: jaeg...@kernel.org; Yuchao (T); linux-f2fs-devel@lists.sourceforge.net
>Cc: Wangbintian; heyunlei; Zhangdianfang (Euler)
>Subject: [f2fs-dev][PATCH v5] f2fs: stop issue discard if something wrong with
>f2fs
>
>v4->v5: move data corruption check to __submit_discard_cmd, in order to
>control discard io submitted more accurately, besides, increase async
>thread wait time if data corruption detected.
>
>This patch stop async thread and umount process to issue discard
>if something wrong with f2fs, which is similar to fstrim.
>
>Signed-off-by: Yunlei He
>---
> fs/f2fs/segment.c | 7 +++
> 1 file changed, 7 insertions(+)
Ping
Thanks.
>
>diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
>index d923ef5..991d1a2 100644
>--- a/fs/f2fs/segment.c
>+++ b/fs/f2fs/segment.c
>@@ -929,6 +929,9 @@ static void __submit_discard_cmd(struct f2fs_sb_info *sbi,
> if (dc->state != D_PREP)
> return;
>
>+ if (is_sbi_flag_set(sbi, SBI_NEED_FSCK))
>+ return;
>+
> trace_f2fs_issue_discard(dc->bdev, dc->start, dc->len);
>
> dc->error = __blkdev_issue_discard(dc->bdev,
>@@ -1410,6 +1413,10 @@ static int issue_discard_thread(void *data)
> continue;
> if (kthread_should_stop())
> return 0;
>+ if (is_sbi_flag_set(sbi, SBI_NEED_FSCK)) {
>+ wait_ms = dpolicy.max_interval;
>+ continue;
>+ }
>
> if (dcc->discard_wake)
> dcc->discard_wake = 0;
>--
>1.9.1
--
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