On 05/28, Chao Yu wrote:
> On 2020/5/28 5:02, Jaegeuk Kim wrote:
> > On 05/27, Chao Yu wrote:
> >> meta inode page should be flushed under cp_lock, fix it.
> > 
> > It doesn't matter for this case, yes?
> 
> It's not related to discard issue.

I meant we really need this or not. :P

> 
> Now, I got some progress, I can reproduce that bug occasionally.
> 
> Thanks,
> 
> > 
> >>
> >> Signed-off-by: Chao Yu <yuch...@huawei.com>
> >> ---
> >>  fs/f2fs/file.c | 2 ++
> >>  1 file changed, 2 insertions(+)
> >>
> >> diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
> >> index f7de2a1da528..0fcae4d90074 100644
> >> --- a/fs/f2fs/file.c
> >> +++ b/fs/f2fs/file.c
> >> @@ -2260,7 +2260,9 @@ static int f2fs_ioc_shutdown(struct file *filp, 
> >> unsigned long arg)
> >>            set_sbi_flag(sbi, SBI_IS_SHUTDOWN);
> >>            break;
> >>    case F2FS_GOING_DOWN_METAFLUSH:
> >> +          mutex_lock(&sbi->cp_mutex);
> >>            f2fs_sync_meta_pages(sbi, META, LONG_MAX, FS_META_IO);
> >> +          mutex_unlock(&sbi->cp_mutex);
> >>            f2fs_stop_checkpoint(sbi, false);
> >>            set_sbi_flag(sbi, SBI_IS_SHUTDOWN);
> >>            break;
> >> -- 
> >> 2.18.0.rc1
> > .
> > 


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