On 2018/4/9 19:27, Yunlei He wrote:
> This patch stop async thread and umount process to issue discard
> if something wrong with f2fs, which is similar to fstrim.
>
> v1->v2: add fs error check in not only discard thread but also umount process
> v2->v3: remove redundant error message
>
> Signed-off-by: Yunlei He <heyun...@huawei.com>
> ---
> fs/f2fs/segment.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
> index 5854cc4..e31d506 100644
> --- a/fs/f2fs/segment.c
> +++ b/fs/f2fs/segment.c
> @@ -1202,6 +1202,9 @@ static int __issue_discard_cmd(struct f2fs_sb_info *sbi,
> int i, iter = 0, issued = 0;
> bool io_interrupted = false;
>
> + if (is_sbi_flag_set(sbi, SBI_NEED_FSCK))
> + return issued;
Hmm.. except here, I mean we'd better add it into issue_discard_thread too?
Thanks,
> +
> for (i = MAX_PLIST_NUM - 1; i >= 0; i--) {
> if (i + 1 < dpolicy->granularity)
> break;
>
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